x402 Trading & On-Chain Intelligence

Official77 tools

by firmbrain

77 pay-per-call x402 tools for AI trading & on-chain agents: prices, sniping, perps, RH Chain, MEV

A server offering 77 pay-per-call x402 tools for AI trading and on-chain agents, covering prices, sniping, perps, RH Chain, and MEV. Designed to support automated trading and on-chain workflows with a diverse toolset.

🛠️ Key Features

77 pay-per-call x402 tools for AI trading and on-chain agents
Tools span prices, sniping, perpetuals, RH Chain, and MEV
Focused on automated trading workflows and on-chain interactions

🚀 Use Cases

Automate AI-driven trading strategies
On-chain agent deployment and execution
Price discovery, sniping, and MEV-related operations
Integrate with RH Chain for specialized workflows

⚡ Developer Benefits

Large catalog of ready-to-use x402 tools
Structured toolset for AI trading and on-chain automation
Clear focus areas to accelerate implementation

⚠️ Limitations

Description limited to tool categories (no explicit tool-by-tool specs)
No runtime or API usage details provided in source data
Limited metadata beyond toolCount and high-level description

Captured live from the server via tools/list.

markdown

Convert raw HTML to clean, LLM-ready markdown. Strips nav/script/style noise. [x402 paid tool — price $0.005; POST /api/markdown]

Parameters1

html

string

required

Raw HTML

Raw schema

{
  "type": "object",
  "properties": {
    "html": {
      "type": "string",
      "description": "Raw HTML"
    }
  },
  "required": [
    "html"
  ]
}

extract

Extract structured data (title, links, meta, headings, text) from HTML as JSON. [x402 paid tool — price $0.002; POST /api/extract]

Parameters1

html

string

required

Raw HTML

Raw schema

{
  "type": "object",
  "properties": {
    "html": {
      "type": "string",
      "description": "Raw HTML"
    }
  },
  "required": [
    "html"
  ]
}

read

Fetch any public web page and return clean, LLM-ready markdown (plus title and final URL). Send { url }. We handle fetching, redirects, and noise-stripping. [x402 paid tool — price $0.008; POST /api/read]

Parameters1

url

string

required

Public http(s) URL to read

Raw schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Public http(s) URL to read"
    }
  },
  "required": [
    "url"
  ]
}

read_structured

Fetch any public web page and return structured JSON: title, meta description, headings, links, text preview. Send { url }. [x402 paid tool — price $0.005; POST /api/read/structured]

Parameters1

url

string

required

Public http(s) URL to extract

Raw schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Public http(s) URL to extract"
    }
  },
  "required": [
    "url"
  ]
}

memory_set

Agent Memory: durable key-value storage that survives between agent runs. Write a JSON value (16KB max) under a key. First write to a namespace claims it with your secret token. Send { ns, token, key, value }. [x402 paid tool — price $0.005; POST /api/memory/set]

Parameters4

ns	string	required	Your namespace (1-128 chars)
token	string	required	Your secret token; set on first write, required after
key	string	required	Key to store under
value	array	required	Any JSON value, 16KB max

Raw schema

{
  "type": "object",
  "properties": {
    "ns": {
      "type": "string",
      "description": "Your namespace (1-128 chars)"
    },
    "token": {
      "type": "string",
      "description": "Your secret token; set on first write, required after"
    },
    "key": {
      "type": "string",
      "description": "Key to store under"
    },
    "value": {
      "type": "array",
      "description": "Any JSON value, 16KB max"
    }
  },
  "required": [
    "ns",
    "token",
    "key",
    "value"
  ]
}

memory_get

Agent Memory: read a stored value by key, or omit key to list all keys in your namespace. Send { ns, token, key? }. [x402 paid tool — price $0.001; POST /api/memory/get]

Parameters3

ns	string	required	Your namespace
token	string	required	Your secret token
key	string	optional	Key to read; omit to list keys

Raw schema

{
  "type": "object",
  "properties": {
    "ns": {
      "type": "string",
      "description": "Your namespace"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "key": {
      "type": "string",
      "description": "Key to read; omit to list keys"
    }
  },
  "required": [
    "ns",
    "token"
  ]
}

schedule

Webhook Scheduler: schedule a future HTTP callback. At fireAt, we call your url with the payload. Agents' alarm clock for async work. Send { token, url, fireAt (ISO-8601), payload?, method? }. [x402 paid tool — price $0.01; POST /api/schedule]

Parameters5

token	string	required	Your secret token (gates status reads)
url	string	required	Public http(s) callback URL
fireAt	string	required	ISO-8601 time to fire (max 30 days out)
payload	array	optional	JSON body to POST (16KB max)
method	string	optional	POST (default) or GET

Raw schema

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "Your secret token (gates status reads)"
    },
    "url": {
      "type": "string",
      "description": "Public http(s) callback URL"
    },
    "fireAt": {
      "type": "string",
      "description": "ISO-8601 time to fire (max 30 days out)"
    },
    "payload": {
      "type": "array",
      "description": "JSON body to POST (16KB max)"
    },
    "method": {
      "type": "string",
      "description": "POST (default) or GET"
    }
  },
  "required": [
    "token",
    "url",
    "fireAt"
  ]
}

schedule_status

Webhook Scheduler: check a scheduled job's status and last delivery result. Send { token, id }. [x402 paid tool — price $0.001; POST /api/schedule/status]

Parameters2

token	string	required	Your secret token
id	string	required	Job id from POST /api/schedule

Raw schema

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "id": {
      "type": "string",
      "description": "Job id from POST /api/schedule"
    }
  },
  "required": [
    "token",
    "id"
  ]
}

counter

Atomic counter: increment-and-return a named counter (collision-free running totals & IDs across agent runs). Send { name, token, by? }. [x402 paid tool — price $0.001; POST /api/counter]

Parameters3

name	string	required	Counter name (1-128 chars)
token	string	required	Your secret token (claims the counter)
by	number	optional	Increment amount, default 1

Raw schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Counter name (1-128 chars)"
    },
    "token": {
      "type": "string",
      "description": "Your secret token (claims the counter)"
    },
    "by": {
      "type": "number",
      "description": "Increment amount, default 1"
    }
  },
  "required": [
    "name",
    "token"
  ]
}

lock_acquire

Distributed lock: acquire a named lock for ttlSec so only one agent proceeds. Returns acquired:false if held. Send { name, token, ttlSec? }. [x402 paid tool — price $0.002; POST /api/lock/acquire]

Parameters3

name	string	required	Lock name
token	string	required	Your secret token
ttlSec	number	optional	Auto-expire seconds (default 60, max 3600)

Raw schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Lock name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "ttlSec": {
      "type": "number",
      "description": "Auto-expire seconds (default 60, max 3600)"
    }
  },
  "required": [
    "name",
    "token"
  ]
}

lock_release

Release a distributed lock you hold. Send { name, token, holder? }. [x402 paid tool — price $0.001; POST /api/lock/release]

Parameters3

name	string	required	Lock name
token	string	required	Your secret token
holder	string	optional	Holder id from acquire

Raw schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Lock name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "holder": {
      "type": "string",
      "description": "Holder id from acquire"
    }
  },
  "required": [
    "name",
    "token"
  ]
}

queue_push

Task queue: append a JSON item to a named queue for later/other agents. Send { name, token, item }. [x402 paid tool — price $0.001; POST /api/queue/push]

Parameters3

name	string	required	Queue name
token	string	required	Your secret token
item	array	required	JSON item to enqueue

Raw schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Queue name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "item": {
      "type": "array",
      "description": "JSON item to enqueue"
    }
  },
  "required": [
    "name",
    "token",
    "item"
  ]
}

queue_pop

Task queue: pop the oldest item from a named queue (FIFO). Send { name, token }. [x402 paid tool — price $0.001; POST /api/queue/pop]

Parameters2

name	string	required	Queue name
token	string	required	Your secret token

Raw schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Queue name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    }
  },
  "required": [
    "name",
    "token"
  ]
}

idempotency

Idempotency key: returns firstTime:true only once per key within ttl (dedupe retries/double-sends). Send { key, token, ttlSec? }. [x402 paid tool — price $0.001; POST /api/idempotency]

Parameters3

key	string	required	Idempotency key
token	string	required	Your secret token
ttlSec	number	optional	TTL seconds, default 86400

Raw schema

{
  "type": "object",
  "properties": {
    "key": {
      "type": "string",
      "description": "Idempotency key"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "ttlSec": {
      "type": "number",
      "description": "TTL seconds, default 86400"
    }
  },
  "required": [
    "key",
    "token"
  ]
}

pubsub_publish

Pub/sub: publish a message to a topic. Send { topic, token, data }. [x402 paid tool — price $0.001; POST /api/pubsub/publish]

Parameters3

topic	string	required	Topic name
token	string	required	Your secret token
data	array	required	Message payload

Raw schema

{
  "type": "object",
  "properties": {
    "topic": {
      "type": "string",
      "description": "Topic name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "data": {
      "type": "array",
      "description": "Message payload"
    }
  },
  "required": [
    "topic",
    "token",
    "data"
  ]
}

pubsub_poll

Pub/sub: fetch messages on a topic newer than a sequence number. Send { topic, token, since? }. [x402 paid tool — price $0.001; POST /api/pubsub/poll]

Parameters3

topic	string	required	Topic name
token	string	required	Your secret token
since	number	optional	Return messages with seq greater than this

Raw schema

{
  "type": "object",
  "properties": {
    "topic": {
      "type": "string",
      "description": "Topic name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "since": {
      "type": "number",
      "description": "Return messages with seq greater than this"
    }
  },
  "required": [
    "topic",
    "token"
  ]
}

board_set

Shared blackboard: set a versioned key on a multi-writer board. Send { board, token, key, value }. [x402 paid tool — price $0.002; POST /api/board/set]

Parameters4

board	string	required	Board name
token	string	required	Your secret token
key	string	required	Entry key
value	array	required	JSON value

Raw schema

{
  "type": "object",
  "properties": {
    "board": {
      "type": "string",
      "description": "Board name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "key": {
      "type": "string",
      "description": "Entry key"
    },
    "value": {
      "type": "array",
      "description": "JSON value"
    }
  },
  "required": [
    "board",
    "token",
    "key",
    "value"
  ]
}

board_get

Shared blackboard: read one key or list all keys+entries. Send { board, token, key? }. [x402 paid tool — price $0.001; POST /api/board/get]

Parameters3

board	string	required	Board name
token	string	required	Your secret token
key	string	optional	Key to read; omit to list all

Raw schema

{
  "type": "object",
  "properties": {
    "board": {
      "type": "string",
      "description": "Board name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "key": {
      "type": "string",
      "description": "Key to read; omit to list all"
    }
  },
  "required": [
    "board",
    "token"
  ]
}

ratelimit

Rate-limit token bucket: shared self-throttle. Returns allowed + remaining. Send { bucket, token, capacity, refillPerSec, cost? }. [x402 paid tool — price $0.001; POST /api/ratelimit]

Parameters5

bucket	string	required	Bucket name
token	string	required	Your secret token
capacity	number	required	Max tokens
refillPerSec	number	required	Tokens added per second
cost	number	optional	Tokens to consume, default 1

Raw schema

{
  "type": "object",
  "properties": {
    "bucket": {
      "type": "string",
      "description": "Bucket name"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "capacity": {
      "type": "number",
      "description": "Max tokens"
    },
    "refillPerSec": {
      "type": "number",
      "description": "Tokens added per second"
    },
    "cost": {
      "type": "number",
      "description": "Tokens to consume, default 1"
    }
  },
  "required": [
    "bucket",
    "token",
    "capacity",
    "refillPerSec"
  ]
}

deadman_register

Dead-man's switch: if you don't ping within intervalSec, we POST your webhook. Detects crashed agents. Send { id, token, url, intervalSec }. [x402 paid tool — price $0.005; POST /api/deadman/register]

Parameters4

id	string	required	Switch id
token	string	required	Your secret token
url	string	required	Public webhook to fire on miss
intervalSec	number	required	Max seconds between pings

Raw schema

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Switch id"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "url": {
      "type": "string",
      "description": "Public webhook to fire on miss"
    },
    "intervalSec": {
      "type": "number",
      "description": "Max seconds between pings"
    }
  },
  "required": [
    "id",
    "token",
    "url",
    "intervalSec"
  ]
}

deadman_ping

Dead-man's switch: heartbeat to keep the switch from firing. Send { id, token }. [x402 paid tool — price $0.001; POST /api/deadman/ping]

Parameters2

id	string	required	Switch id
token	string	required	Your secret token

Raw schema

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Switch id"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    }
  },
  "required": [
    "id",
    "token"
  ]
}

calc

Exact calculator + unit conversion (arbitrary precision). e.g. '3 inch to cm', 'sqrt(2)^10'. Send { expression, precision? }. [x402 paid tool — price $0.001; POST /api/calc]

Parameters2

expression	string	required	Math expression, optionally with units
precision	number	optional	Decimal places 0-64

Raw schema

{
  "type": "object",
  "properties": {
    "expression": {
      "type": "string",
      "description": "Math expression, optionally with units"
    },
    "precision": {
      "type": "number",
      "description": "Decimal places 0-64"
    }
  },
  "required": [
    "expression"
  ]
}

datetime

Date/time math + timezones. op: now | convert | add | diff. Send { op, time?, timezone?, amount?, unit?, to? }. [x402 paid tool — price $0.001; POST /api/datetime]

Parameters6

op	string	required	now, convert, add, or diff
time	string	optional	ISO/epoch input time
timezone	string	optional	IANA tz, e.g. America/New_York
amount	number	optional	amount for add
unit	string	optional	s/m/h/d/w for add
to	string	optional	end time for diff

Raw schema

{
  "type": "object",
  "properties": {
    "op": {
      "type": "string",
      "description": "now, convert, add, or diff"
    },
    "time": {
      "type": "string",
      "description": "ISO/epoch input time"
    },
    "timezone": {
      "type": "string",
      "description": "IANA tz, e.g. America/New_York"
    },
    "amount": {
      "type": "number",
      "description": "amount for add"
    },
    "unit": {
      "type": "string",
      "description": "s/m/h/d/w for add"
    },
    "to": {
      "type": "string",
      "description": "end time for diff"
    }
  },
  "required": [
    "op"
  ]
}

business_days

Add/subtract business days (skips weekends + given holidays). Send { start?, addDays, holidays?, timezone? }. [x402 paid tool — price $0.001; POST /api/business-days]

Parameters4

start	string	optional	ISO start date, default now
addDays	number	required	Business days to add (can be negative)
holidays	array	optional	Array of YYYY-MM-DD holiday strings
timezone	string	optional	IANA tz

Raw schema

{
  "type": "object",
  "properties": {
    "start": {
      "type": "string",
      "description": "ISO start date, default now"
    },
    "addDays": {
      "type": "number",
      "description": "Business days to add (can be negative)"
    },
    "holidays": {
      "type": "array",
      "description": "Array of YYYY-MM-DD holiday strings"
    },
    "timezone": {
      "type": "string",
      "description": "IANA tz"
    }
  },
  "required": [
    "addDays"
  ]
}

regex

Apply a regex to text and return all matches + capture groups (deterministic; LLMs guess regex wrong). Send { pattern, text, flags? }. [x402 paid tool — price $0.001; POST /api/regex]

Parameters3

pattern	string	required	Regular expression
text	string	required	Text to search (<=100k chars)
flags	string	optional	Regex flags, e.g. gi

Raw schema

{
  "type": "object",
  "properties": {
    "pattern": {
      "type": "string",
      "description": "Regular expression"
    },
    "text": {
      "type": "string",
      "description": "Text to search (<=100k chars)"
    },
    "flags": {
      "type": "string",
      "description": "Regex flags, e.g. gi"
    }
  },
  "required": [
    "pattern",
    "text"
  ]
}

jsonschema

Validate data against a JSON Schema (strict). Returns valid + detailed errors. Send { schema, data }. [x402 paid tool — price $0.001; POST /api/jsonschema]

Parameters2

schema	array	required	JSON Schema object
data	array	required	Data to validate

Raw schema

{
  "type": "object",
  "properties": {
    "schema": {
      "type": "array",
      "description": "JSON Schema object"
    },
    "data": {
      "type": "array",
      "description": "Data to validate"
    }
  },
  "required": [
    "schema",
    "data"
  ]
}

diff

Structured deep diff of two JSON values (added/removed/changed by path). Send { a, b }. [x402 paid tool — price $0.002; POST /api/diff]

Parameters2

a	array	required	First JSON value
b	array	required	Second JSON value

Raw schema

{
  "type": "object",
  "properties": {
    "a": {
      "type": "array",
      "description": "First JSON value"
    },
    "b": {
      "type": "array",
      "description": "Second JSON value"
    }
  },
  "required": [
    "a",
    "b"
  ]
}

cron_explain

Explain a cron expression: the next N run times in a timezone. Send { expression, count?, timezone? }. [x402 paid tool — price $0.001; POST /api/cron/explain]

Parameters3

expression	string	required	5-field cron expression
count	number	optional	How many next runs, default 5
timezone	string	optional	IANA tz

Raw schema

{
  "type": "object",
  "properties": {
    "expression": {
      "type": "string",
      "description": "5-field cron expression"
    },
    "count": {
      "type": "number",
      "description": "How many next runs, default 5"
    },
    "timezone": {
      "type": "string",
      "description": "IANA tz"
    }
  },
  "required": [
    "expression"
  ]
}

schedule_cron

Recurring webhook: fire your URL on a cron schedule (repeats). Send { token, url, cron, payload?, method? }. [x402 paid tool — price $0.01; POST /api/schedule/cron]

Parameters5

token	string	required	Your secret token
url	string	required	Public callback URL
cron	string	required	5-field cron expression (UTC)
payload	array	optional	JSON body to POST
method	string	optional	POST or GET

Raw schema

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "url": {
      "type": "string",
      "description": "Public callback URL"
    },
    "cron": {
      "type": "string",
      "description": "5-field cron expression (UTC)"
    },
    "payload": {
      "type": "array",
      "description": "JSON body to POST"
    },
    "method": {
      "type": "string",
      "description": "POST or GET"
    }
  },
  "required": [
    "token",
    "url",
    "cron"
  ]
}

links_check

Batch link-liveness: check up to 50 URLs return 200 (dead-link detection). Send { urls: [..] }. [x402 paid tool — price $0.002; POST /api/links/check]

Parameters1

urls

array

required

Array of 1-50 URL strings

Raw schema

{
  "type": "object",
  "properties": {
    "urls": {
      "type": "array",
      "description": "Array of 1-50 URL strings"
    }
  },
  "required": [
    "urls"
  ]
}

inbox_create

Webhook inbox: get a disposable URL that captures inbound POSTs for you to poll. Send { token }. [x402 paid tool — price $0.002; POST /api/inbox/create]

Parameters1

token

string

required

Your secret token (gates polling)

Raw schema

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "Your secret token (gates polling)"
    }
  },
  "required": [
    "token"
  ]
}

inbox_poll

Webhook inbox: fetch captured messages newer than a timestamp. Send { id, token, since? }. [x402 paid tool — price $0.001; POST /api/inbox/poll]

Parameters3

id	string	required	Inbox id
token	string	required	Your secret token
since	number	optional	Epoch ms; return newer messages

Raw schema

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Inbox id"
    },
    "token": {
      "type": "string",
      "description": "Your secret token"
    },
    "since": {
      "type": "number",
      "description": "Epoch ms; return newer messages"
    }
  },
  "required": [
    "id",
    "token"
  ]
}

wallet_reputation

Wallet reputation: objective on-chain trust signals for an EVM address (vet a counterparty before dealing). Send { address }. [x402 paid tool — price $0.003; POST /api/wallet/reputation]

Parameters1

address

string

required

0x EVM address to score

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x EVM address to score"
    }
  },
  "required": [
    "address"
  ]
}

crypto_price

Live crypto & token prices in USD. Send tickers or coingecko ids, e.g. { symbols: ["ETH","USDC","BTC"] }. Real-time on-chain pricing for finance and trading agents. [x402 paid tool — price $0.002; POST /api/crypto/price]

Parameters1

symbols

array

required

Array of tickers or coingecko ids (1-25), e.g. ["ETH","BTC"]

Raw schema

{
  "type": "object",
  "properties": {
    "symbols": {
      "type": "array",
      "description": "Array of tickers or coingecko ids (1-25), e.g. [\"ETH\",\"BTC\"]"
    }
  },
  "required": [
    "symbols"
  ]
}

crypto_convert

Convert an amount between any two crypto/fiat assets at live rates. Send { amount, from, to }, e.g. convert 1.5 ETH to USDC. Instant FX for agents pricing on-chain actions. [x402 paid tool — price $0.002; POST /api/crypto/convert]

Parameters3

amount	number	required	Amount of the 'from' asset
from	string	required	Source ticker, e.g. ETH
to	string	required	Target ticker, e.g. USDC

Raw schema

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "number",
      "description": "Amount of the 'from' asset"
    },
    "from": {
      "type": "string",
      "description": "Source ticker, e.g. ETH"
    },
    "to": {
      "type": "string",
      "description": "Target ticker, e.g. USDC"
    }
  },
  "required": [
    "amount",
    "from",
    "to"
  ]
}

crypto_balances

Full wallet portfolio: native ETH + all ERC-20 token balances for an address on Base, with amounts. Send { address }. Let agents read any wallet's holdings. [x402 paid tool — price $0.005; POST /api/crypto/balances]

Parameters1

address

string

required

0x EVM wallet address on Base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x EVM wallet address on Base"
    }
  },
  "required": [
    "address"
  ]
}

crypto_gas

Live Base gas oracle: current gas price plus estimated cost (ETH & USD) for a transfer, swap, or mint. Send {} — no input needed. Agents budget transactions before acting. [x402 paid tool — price $0.001; POST /api/crypto/gas]

Parameters

No parameters.

Raw schema

{
  "type": "object",
  "properties": {},
  "required": []
}

crypto_ens

Resolve an ENS name or Basename to an address, or reverse-resolve a 0x address to its name + avatar. Send { input }. Human-readable identity for agents. [x402 paid tool — price $0.002; POST /api/crypto/ens]

Parameters1

input

string

required

An ENS/Basename (e.g. vitalik.eth) or a 0x address

Raw schema

{
  "type": "object",
  "properties": {
    "input": {
      "type": "string",
      "description": "An ENS/Basename (e.g. vitalik.eth) or a 0x address"
    }
  },
  "required": [
    "input"
  ]
}

crypto_tx

Transaction status & receipt on Base: confirmations, success/fail, from/to, value, fee, method. Send { hash }. Agents confirm their on-chain actions settled. [x402 paid tool — price $0.002; POST /api/crypto/tx]

Parameters1

hash

string

required

0x transaction hash (66 chars)

Raw schema

{
  "type": "object",
  "properties": {
    "hash": {
      "type": "string",
      "description": "0x transaction hash (66 chars)"
    }
  },
  "required": [
    "hash"
  ]
}

crypto_token

Token intelligence: name, symbol, supply, holder count, source-verification, and safety signals for a contract. Send { address }. Agents vet a token before touching it. [x402 paid tool — price $0.003; POST /api/crypto/token]

Parameters1

address

string

required

0x ERC-20 token contract address

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x ERC-20 token contract address"
    }
  },
  "required": [
    "address"
  ]
}

crypto_yields

Top DeFi yield opportunities across chains from DeFiLlama, filterable by chain/project/min-TVL, ranked by APY. Send { chain?, project?, minTvl?, limit? }. Yield discovery for finance agents. [x402 paid tool — price $0.005; POST /api/crypto/yields]

Parameters4

chain	string	optional	Filter by chain, e.g. Base, Ethereum
project	string	optional	Filter by protocol, e.g. aave
minTvl	number	optional	Minimum pool TVL in USD (default 1,000,000)
limit	number	optional	Max pools, default 10 (max 50)

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Filter by chain, e.g. Base, Ethereum"
    },
    "project": {
      "type": "string",
      "description": "Filter by protocol, e.g. aave"
    },
    "minTvl": {
      "type": "number",
      "description": "Minimum pool TVL in USD (default 1,000,000)"
    },
    "limit": {
      "type": "number",
      "description": "Max pools, default 10 (max 50)"
    }
  },
  "required": []
}

crypto_activity

Wallet activity summary: recent transactions, top methods called, distinct counterparties, and latest actions for an address on Base. Send { address }. Agents profile what a wallet does. [x402 paid tool — price $0.003; POST /api/crypto/activity]

Parameters1

address

string

required

0x EVM wallet address on Base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x EVM wallet address on Base"
    }
  },
  "required": [
    "address"
  ]
}

crypto_contract

Contract decoder: pass a verified 0x contract address to get its function ABI, or a 0x-selector (8 hex) to decode which function it is. Send { input }. Agents understand contracts before calling them. [x402 paid tool — price $0.003; POST /api/crypto/contract]

Parameters1

input

string

required

A 0x contract address (40 hex) or 0x function selector (8 hex)

Raw schema

{
  "type": "object",
  "properties": {
    "input": {
      "type": "string",
      "description": "A 0x contract address (40 hex) or 0x function selector (8 hex)"
    }
  },
  "required": [
    "input"
  ]
}

snipe_newpairs

Snipe new token launches: the freshest liquidity pools on a chain, newest first, with pool age in seconds, price, FDV, and liquidity. Send { chain, limit?, minLiquidityUsd? }. Supports Base, Solana, Ethereum, Arbitrum, BSC, Polygon, Optimism, Avalanche, and Robinhood Chain. The core new-pair detection signal for sniping bots and trading agents. [x402 paid tool — price $0.004; POST /api/snipe/newpairs]

Parameters3

chain	string	optional	Chain: base (default), solana, ethereum, arbitrum, bsc, polygon, optimism, avax, robinhood
limit	number	optional	Max pools, default 15 (max 50)
minLiquidityUsd	number	optional	Only pools with at least this much liquidity (USD)

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Chain: base (default), solana, ethereum, arbitrum, bsc, polygon, optimism, avax, robinhood"
    },
    "limit": {
      "type": "number",
      "description": "Max pools, default 15 (max 50)"
    },
    "minLiquidityUsd": {
      "type": "number",
      "description": "Only pools with at least this much liquidity (USD)"
    }
  },
  "required": []
}

snipe_trending

Trending / hottest pools on a chain right now, ranked by volume and momentum, with price change, volume, and liquidity. Send { chain, limit? }. Supports Base, Solana, Ethereum, Arbitrum, BSC, and Robinhood Chain. Momentum discovery for trading agents chasing volume. [x402 paid tool — price $0.003; POST /api/snipe/trending]

Parameters2

chain	string	optional	Chain, default base
limit	number	optional	Max pools, default 15 (max 50)

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Chain, default base"
    },
    "limit": {
      "type": "number",
      "description": "Max pools, default 15 (max 50)"
    }
  },
  "required": []
}

snipe_safety

Full rug/honeypot audit for a token: honeypot detection, buy/sell tax, source verification, mint/pause/blacklist/hidden-owner privileges, proxy check, holder & LP counts, plus a 0-100 risk score and plain-English verdict (AVOID / HIGH RISK / CAUTION / LOOKS OK). Send { address, chain? }. The must-have pre-buy safety gate for any trading agent. [x402 paid tool — price $0.005; POST /api/snipe/safety]

Parameters2

address	string	required	0x token contract address
chain	string	optional	EVM chain: base (default), ethereum, arbitrum, bsc, polygon, optimism, avax

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x token contract address"
    },
    "chain": {
      "type": "string",
      "description": "EVM chain: base (default), ethereum, arbitrum, bsc, polygon, optimism, avax"
    }
  },
  "required": [
    "address"
  ]
}

snipe_honeypot

Fast yes/no honeypot check for a token before buying: is it sellable, buy/sell tax, and whether the creator has deployed honeypots before. Send { address, chain? }. Cheap, instant pre-trade gate against unsellable scam tokens. [x402 paid tool — price $0.003; POST /api/snipe/honeypot]

Parameters2

address	string	required	0x token contract address
chain	string	optional	EVM chain, default base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x token contract address"
    },
    "chain": {
      "type": "string",
      "description": "EVM chain, default base"
    }
  },
  "required": [
    "address"
  ]
}

snipe_holders

Holder & liquidity concentration analysis: top holder %, top-10 %, LP locked/burned %, holder list with contract/lock flags, and concentration risk warnings. Send { address, chain? }. Detect whale-dumps and rug risk before entering a position. [x402 paid tool — price $0.004; POST /api/snipe/holders]

Parameters2

address	string	required	0x token contract address
chain	string	optional	EVM chain, default base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x token contract address"
    },
    "chain": {
      "type": "string",
      "description": "EVM chain, default base"
    }
  },
  "required": [
    "address"
  ]
}

snipe_pair

Full trading snapshot for a token: live price, liquidity, FDV, market cap, 5m/1h/6h/24h volume and price change, buy/sell counts, and pair age. Send { address, chain? }. Complete pre-trade due diligence in one call. [x402 paid tool — price $0.003; POST /api/snipe/pair]

Parameters2

address	string	required	0x token contract address
chain	string	optional	Optional chain filter, e.g. base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x token contract address"
    },
    "chain": {
      "type": "string",
      "description": "Optional chain filter, e.g. base"
    }
  },
  "required": [
    "address"
  ]
}

snipe_search

Search tokens and trading pairs across all chains by name, symbol, or address, ranked with price, liquidity, and 24h volume. Send { query, limit? }. Find the right contract fast before sniping. [x402 paid tool — price $0.003; POST /api/snipe/search]

Parameters2

query	string	required	Token name, symbol, or contract address
limit	number	optional	Max results, default 10 (max 30)

Raw schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Token name, symbol, or contract address"
    },
    "limit": {
      "type": "number",
      "description": "Max results, default 10 (max 30)"
    }
  },
  "required": [
    "query"
  ]
}

snipe_wallet

Copy-trade tracker: a wallet's recent token transfers on Base, labeled buy/sell, plus the tokens it just acquired. Send { address, limit? }. Follow smart-money wallets and mirror what they're buying. [x402 paid tool — price $0.005; POST /api/snipe/wallet]

Parameters2

address	string	required	0x wallet address to track (Base)
limit	number	optional	Max transfers, default 15 (max 40)

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x wallet address to track (Base)"
    },
    "limit": {
      "type": "number",
      "description": "Max transfers, default 15 (max 40)"
    }
  },
  "required": [
    "address"
  ]
}

snipe_impact

Estimate price impact and suggested max slippage for a trade of a given USD size against a token's live pool liquidity. Send { address, amountUsd, chain? }. Size positions correctly before executing a swap. [x402 paid tool — price $0.003; POST /api/snipe/impact]

Parameters3

address	string	required	0x token contract address
amountUsd	number	required	Trade size in USD
chain	string	optional	Optional chain filter, e.g. base

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x token contract address"
    },
    "amountUsd": {
      "type": "number",
      "description": "Trade size in USD"
    },
    "chain": {
      "type": "string",
      "description": "Optional chain filter, e.g. base"
    }
  },
  "required": [
    "address",
    "amountUsd"
  ]
}

snipe_rh

Robinhood Chain live pools: new and trending liquidity pools on Robinhood's Ethereum L2 for tokenized stocks and DeFi, built for 24/7 agentic onchain trading. Send { limit? }. First-mover data feed for agents trading Robinhood Chain's tokenized-stock and RWA ecosystem. [x402 paid tool — price $0.004; POST /api/snipe/rh]

Parameters1

limit

number

optional

Max pools per list, default 20 (max 50)

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max pools per list, default 20 (max 50)"
    }
  },
  "required": []
}

rh_stock

Robinhood Chain tokenized-stock quote: pass a stock ticker (NVDA, AAPL, TSLA...) and get its canonical on-chain token on Robinhood's L2 with live price, liquidity, 24h volume, and premium/discount vs the real-world share price. Scam-token filtered. Send { ticker }. The price feed for agents trading tokenized equities 24/7. [x402 paid tool — price $0.004; POST /api/rh/stock]

Parameters1

ticker

string

required

Stock/ETF ticker, e.g. NVDA, AAPL, TSLA, SPY

Raw schema

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string",
      "description": "Stock/ETF ticker, e.g. NVDA, AAPL, TSLA, SPY"
    }
  },
  "required": [
    "ticker"
  ]
}

rh_stocks

List tokenized stocks & ETFs live on Robinhood Chain with on-chain prices, liquidity, and volume. Send {} for the default basket or { tickers: [...] } for specific ones. Discovery feed for agents building tokenized-equity strategies. [x402 paid tool — price $0.004; POST /api/rh/stocks]

Parameters1

tickers

array

optional

Optional array of tickers, e.g. ["NVDA","AAPL"]; defaults to a common basket

Raw schema

{
  "type": "object",
  "properties": {
    "tickers": {
      "type": "array",
      "description": "Optional array of tickers, e.g. [\"NVDA\",\"AAPL\"]; defaults to a common basket"
    }
  },
  "required": []
}

rh_premium

Premium/discount arbitrage signal: compares a tokenized stock's live Robinhood Chain price against the real-world equity price and returns the premium/discount % plus a buy-onchain/sell-equity signal. Send { ticker }. The core edge for tokenized-equity arb agents trading 24/7 vs market hours. [x402 paid tool — price $0.005; POST /api/rh/premium]

Parameters1

ticker

string

required

Stock/ETF ticker, e.g. AAPL

Raw schema

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string",
      "description": "Stock/ETF ticker, e.g. AAPL"
    }
  },
  "required": [
    "ticker"
  ]
}

rh_arb

Cross-venue arbitrage: prices a tokenized stock across every liquid Robinhood Chain pool/DEX and returns the high/low and spread %. Send { ticker, minLiquidityUsd? }. Spot mispricings between venues for on-chain arb agents. [x402 paid tool — price $0.005; POST /api/rh/arb]

Parameters2

ticker	string	required	Stock/ETF ticker
minLiquidityUsd	number	optional	Ignore pools below this liquidity (default 3000)

Raw schema

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string",
      "description": "Stock/ETF ticker"
    },
    "minLiquidityUsd": {
      "type": "number",
      "description": "Ignore pools below this liquidity (default 3000)"
    }
  },
  "required": [
    "ticker"
  ]
}

rh_yields

DeFi LP yield opportunities on Robinhood Chain: pools ranked by estimated fee APR (fee tier x 24h volume / liquidity), with liquidity and volume. Send { limit?, minLiquidityUsd? }. Yield discovery for agents providing liquidity on Robinhood's L2. [x402 paid tool — price $0.004; POST /api/rh/yields]

Parameters2

limit	number	optional	Max pools, default 15 (max 50)
minLiquidityUsd	number	optional	Minimum pool liquidity in USD (default 10000)

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max pools, default 15 (max 50)"
    },
    "minLiquidityUsd": {
      "type": "number",
      "description": "Minimum pool liquidity in USD (default 10000)"
    }
  },
  "required": []
}

rh_tvl

Robinhood Chain health snapshot: total value locked, 24h DEX volume, indexed pool count, and the top pools by liquidity. Send {}. Macro view of Robinhood's onchain economy for allocation and risk decisions. [x402 paid tool — price $0.003; POST /api/rh/tvl]

Parameters

No parameters.

Raw schema

{
  "type": "object",
  "properties": {},
  "required": []
}

rh_pool

Deep analytics for a specific Robinhood Chain pool or token: price, liquidity, 24h volume, FDV, fee tier, estimated fee APR, and 24h price change. Send { address } (pool or token contract). Per-pool due diligence for LP and trading agents. [x402 paid tool — price $0.003; POST /api/rh/pool]

Parameters1

address

string

required

0x Robinhood Chain pool or token contract address

Raw schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "0x Robinhood Chain pool or token contract address"
    }
  },
  "required": [
    "address"
  ]
}

rh_gainers

Top movers on Robinhood Chain: biggest 24h gainers (or losers) among liquid pools, with price change, liquidity, and volume. Send { limit?, direction? }. Momentum radar for the Robinhood Chain market. [x402 paid tool — price $0.003; POST /api/rh/gainers]

Parameters2

limit	number	optional	Max results, default 10 (max 30)
direction	string	optional	"gainers" (default) or "losers"

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max results, default 10 (max 30)"
    },
    "direction": {
      "type": "string",
      "description": "\"gainers\" (default) or \"losers\""
    }
  },
  "required": []
}

perps_funding

Perpetual funding rate for a coin on Hyperliquid: current hourly rate, annualized APR, mark & spot-oracle price, open interest, 24h volume, premium, plus cross-venue funding (Hyperliquid/Binance/Bybit). Send { coin }. Core signal for perp traders and funding-rate strategies. [x402 paid tool — price $0.004; POST /api/perps/funding]

Parameters1

coin

string

required

Perp symbol, e.g. BTC, ETH, SOL

Raw schema

{
  "type": "object",
  "properties": {
    "coin": {
      "type": "string",
      "description": "Perp symbol, e.g. BTC, ETH, SOL"
    }
  },
  "required": [
    "coin"
  ]
}

perps_funding_arb

Cross-venue funding-rate arbitrage for a coin: annualized funding on Hyperliquid vs Binance vs Bybit, the spread, and the delta-neutral long/short leg to capture it. Send { coin }. Delta-neutral yield signal for funding-arb agents. [x402 paid tool — price $0.005; POST /api/perps/funding-arb]

Parameters1

coin

string

required

Perp symbol, e.g. BTC

Raw schema

{
  "type": "object",
  "properties": {
    "coin": {
      "type": "string",
      "description": "Perp symbol, e.g. BTC"
    }
  },
  "required": [
    "coin"
  ]
}

perps_basis

Perp-vs-spot basis for a coin: mark price vs spot oracle, basis %, annualized carry, and contango/backwardation signal. Send { coin }. Basis-trade and cash-and-carry signal. [x402 paid tool — price $0.004; POST /api/perps/basis]

Parameters1

coin

string

required

Perp symbol, e.g. ETH

Raw schema

{
  "type": "object",
  "properties": {
    "coin": {
      "type": "string",
      "description": "Perp symbol, e.g. ETH"
    }
  },
  "required": [
    "coin"
  ]
}

perps_markets

All Hyperliquid perp markets with mark price, funding APR, open interest, 24h volume, and basis, sorted by volume, open interest, or funding. Send { limit?, sort? }. Full derivatives market map for trading agents. [x402 paid tool — price $0.003; POST /api/perps/markets]

Parameters2

limit	number	optional	Max markets, default 25 (max 200)
sort	string	optional	"volume" (default), "oi", or "funding"

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max markets, default 25 (max 200)"
    },
    "sort": {
      "type": "string",
      "description": "\"volume\" (default), \"oi\", or \"funding\""
    }
  },
  "required": []
}

perps_movers

Perp funding extremes: coins with the highest funding (crowded longs) and lowest/negative funding (crowded shorts) — squeeze and mean-reversion signals. Send { limit? }. Momentum & contrarian radar for perp traders. [x402 paid tool — price $0.004; POST /api/perps/movers]

Parameters1

limit

number

optional

Max per side, default 10 (max 40)

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max per side, default 10 (max 40)"
    }
  },
  "required": []
}

perps_oi

Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents. [x402 paid tool — price $0.003; POST /api/perps/oi]

Parameters2

coin	string	optional	Perp symbol; omit to list top markets by OI
limit	number	optional	Max markets when listing, default 15 (max 50)

Raw schema

{
  "type": "object",
  "properties": {
    "coin": {
      "type": "string",
      "description": "Perp symbol; omit to list top markets by OI"
    },
    "limit": {
      "type": "number",
      "description": "Max markets when listing, default 15 (max 50)"
    }
  },
  "required": []
}

catalysts_unlocks

Token unlock / vesting schedule for a protocol: next unlock date, token amount, USD value, category and type, plus upcoming events. Send { protocol } (slug, e.g. "aptos", "arbitrum"). Large unlocks are the most reliable supply-shock catalysts — front-run sell pressure. [x402 paid tool — price $0.005; POST /api/catalysts/unlocks]

Parameters2

protocol	string	required	Protocol slug, e.g. aptos, arbitrum, optimism
limit	number	optional	Max upcoming events, default 5 (max 20)

Raw schema

{
  "type": "object",
  "properties": {
    "protocol": {
      "type": "string",
      "description": "Protocol slug, e.g. aptos, arbitrum, optimism"
    },
    "limit": {
      "type": "number",
      "description": "Max upcoming events, default 5 (max 20)"
    }
  },
  "required": [
    "protocol"
  ]
}

catalysts_search

Find protocols that have tracked token-unlock schedules, by name substring. Send { query }. Use the returned slug with catalysts/unlocks. [x402 paid tool — price $0.002; POST /api/catalysts/search]

Parameters2

query	string	optional	Name substring, e.g. "arb"
limit	number	optional	Max results, default 20 (max 100)

Raw schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Name substring, e.g. \"arb\""
    },
    "limit": {
      "type": "number",
      "description": "Max results, default 20 (max 100)"
    }
  },
  "required": []
}

catalysts_calendar

Upcoming token-unlock calendar: the biggest unlocks across a basket of tokens within N days, ranked by USD value. Send { protocols?, days? }. See which supply shocks are coming and when. [x402 paid tool — price $0.006; POST /api/catalysts/calendar]

Parameters2

protocols	array	optional	Optional array of protocol slugs; defaults to major tokens
days	number	optional	Look-ahead window in days, default 30 (max 180)

Raw schema

{
  "type": "object",
  "properties": {
    "protocols": {
      "type": "array",
      "description": "Optional array of protocol slugs; defaults to major tokens"
    },
    "days": {
      "type": "number",
      "description": "Look-ahead window in days, default 30 (max 180)"
    }
  },
  "required": []
}

catalysts_governance

On-chain governance activity via Snapshot: active (or recent) proposals ranked by voting power, with title, space, votes, and end time. Send { space?, state?, limit? }. Governance catalysts that can move token prices. [x402 paid tool — price $0.004; POST /api/catalysts/governance]

Parameters3

space	string	optional	Snapshot space id, e.g. aave.eth; omit for global
state	string	optional	"active" (default), "closed", "pending", or "all"
limit	number	optional	Max proposals, default 10 (max 30)

Raw schema

{
  "type": "object",
  "properties": {
    "space": {
      "type": "string",
      "description": "Snapshot space id, e.g. aave.eth; omit for global"
    },
    "state": {
      "type": "string",
      "description": "\"active\" (default), \"closed\", \"pending\", or \"all\""
    },
    "limit": {
      "type": "number",
      "description": "Max proposals, default 10 (max 30)"
    }
  },
  "required": []
}

exec_quote

Best-route swap quote across DEXes (KyberSwap aggregator): expected output, USD in/out, price impact %, gas cost, and the DEXes routed through. Send { chain, tokenIn, tokenOut, amountIn } (amountIn in smallest units). Quote only — never executes. Pre-trade routing for trading agents. [x402 paid tool — price $0.004; POST /api/exec/quote]

Parameters4

chain	string	optional	base (default), ethereum, arbitrum, polygon, optimism, bsc, avax
tokenIn	string	required	0x token address to sell
tokenOut	string	required	0x token address to buy
amountIn	string	required	Amount to sell in smallest units (wei)

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "base (default), ethereum, arbitrum, polygon, optimism, bsc, avax"
    },
    "tokenIn": {
      "type": "string",
      "description": "0x token address to sell"
    },
    "tokenOut": {
      "type": "string",
      "description": "0x token address to buy"
    },
    "amountIn": {
      "type": "string",
      "description": "Amount to sell in smallest units (wei)"
    }
  },
  "required": [
    "tokenIn",
    "tokenOut",
    "amountIn"
  ]
}

exec_slippage

Recommended max slippage for a planned swap based on live price impact plus a buffer, with a rating. Send { chain, tokenIn, tokenOut, amountIn }. Avoid failed txns and overpaying on slippage. [x402 paid tool — price $0.003; POST /api/exec/slippage]

Parameters4

chain	string	optional	Chain, default base
tokenIn	string	required	0x token to sell
tokenOut	string	required	0x token to buy
amountIn	string	required	Amount in smallest units

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Chain, default base"
    },
    "tokenIn": {
      "type": "string",
      "description": "0x token to sell"
    },
    "tokenOut": {
      "type": "string",
      "description": "0x token to buy"
    },
    "amountIn": {
      "type": "string",
      "description": "Amount in smallest units"
    }
  },
  "required": [
    "tokenIn",
    "tokenOut",
    "amountIn"
  ]
}

exec_sandwich

Sandwich / MEV risk score for a planned swap, from price impact and trade size, with concrete mitigations (private RPC, tighter slippage, order splitting). Send { chain, tokenIn, tokenOut, amountIn }. Trade without getting sandwiched. [x402 paid tool — price $0.004; POST /api/exec/sandwich]

Parameters4

chain	string	optional	Chain, default base
tokenIn	string	required	0x token to sell
tokenOut	string	required	0x token to buy
amountIn	string	required	Amount in smallest units

Raw schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Chain, default base"
    },
    "tokenIn": {
      "type": "string",
      "description": "0x token to sell"
    },
    "tokenOut": {
      "type": "string",
      "description": "0x token to buy"
    },
    "amountIn": {
      "type": "string",
      "description": "Amount in smallest units"
    }
  },
  "required": [
    "tokenIn",
    "tokenOut",
    "amountIn"
  ]
}

exec_gas

Live gas prices across major chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC) with estimated USD cost of a swap. Send { chains? }. Time and route transactions for the cheapest execution. [x402 paid tool — price $0.003; POST /api/exec/gas]

Parameters1

chains

array

optional

Optional array of chains; defaults to all supported

Raw schema

{
  "type": "object",
  "properties": {
    "chains": {
      "type": "array",
      "description": "Optional array of chains; defaults to all supported"
    }
  },
  "required": []
}

scout_rankings

Bazaar Scout: independently measured health rankings of x402 services (uptime, latency, payment-terms validity). Query: limit, network, tag. [x402 paid tool — price $0.01; GET /api/scout/rankings]

Parameters3

limit	string	optional	Max results (1-200, default 50). Optional.
network	string	optional	Filter by network, e.g. eip155:8453. Optional.
tag	string	optional	Filter by catalog tag. Optional.

Raw schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "string",
      "description": "Max results (1-200, default 50). Optional."
    },
    "network": {
      "type": "string",
      "description": "Filter by network, e.g. eip155:8453. Optional."
    },
    "tag": {
      "type": "string",
      "description": "Filter by catalog tag. Optional."
    }
  },
  "required": []
}

scout_service

Bazaar Scout: detailed health report + probe history for one x402 service. [x402 paid tool — price $0.005; GET /api/scout/service]

Parameters1

resource

string

optional

Exact resource URL of the x402 service to report on. Required.

Raw schema

{
  "type": "object",
  "properties": {
    "resource": {
      "type": "string",
      "description": "Exact resource URL of the x402 service to report on. Required."
    }
  },
  "required": []
}

Install

Tools (77)

markdownextractreadread_structuredmemory_setmemory_getscheduleschedule_status

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://x402-services-production.up.railway.app/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "x402-services": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://x402-services-production.up.railway.app/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.