xyz.verifiedky/sentinel-402

Official4 tools

by verifiedky

Independent uptime oracle for the x402 agent economy. Free probes, paid history via USDC on Base.

xyz.verifiedky/sentinel-402 MCP Server

This MCP server provides an independent uptime oracle for the x402 agent economy. It supports free probes and offers paid uptime history using USDC on Base. The server exposes 4 tools for interacting with uptime data relevant to the x402 agent environment.

🛠️ Key Features

Independent uptime oracle for the x402 agent economy
Free probes
Paid history available via USDC on Base
Tooling count: 4

🚀 Use Cases

Checking uptime for components in the x402 agent economy
Retrieving historical uptime data for paid access

⚡ Developer Benefits

A dedicated uptime data source with a defined tool set (4 tools)
Integration with USDC on Base for accessing history

⚠️ Limitations

Described capabilities are limited to probing uptime and paid history via USDC on Base

Captured live from the server via tools/list.

fleet_status

Live trust snapshot of every monitored x402 service: uptime %, avg latency ms, last-seen, x402 discovery flag. Free.

Parameters

No parameters.

Raw schema

{
  "type": "object",
  "properties": {}
}

monitor_status

Rolling probe window (last 200 probes) for one monitored service by monitor_id. Free.

Parameters1

monitor_id

string

required

Raw schema

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

watch_history

PAID ($0.01+ USDC on Base): full raw probe history for one service. Send USDC to payTo wallet in /.well-known/x402.json, then pass your tx hash.

Parameters2

monitor_id	string	required
tx_hash	string	optional

Raw schema

{
  "type": "object",
  "properties": {
    "monitor_id": {
      "type": "string"
    },
    "tx_hash": {
      "type": "string"
    }
  },
  "required": [
    "monitor_id"
  ]
}

add_monitor

Self-serve: add an https:// x402 endpoint to the SENTINEL-402 watch fleet (free forever, probed every 15 min).

Parameters1

url

string

required

Raw schema

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

Install

Tools (4)

fleet_statusmonitor_statuswatch_historyadd_monitor

Remote endpoint

Streamable HTTP

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

url

https://mcp.verifiedky.xyz/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "sentinel-402": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.verifiedky.xyz/mcp"
      ]
    }
  }
}

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

xyz.verifiedky/sentinel-402 MCP Server

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

fleet_status

monitor_status

watch_history

add_monitor

Install

Remote endpoint

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