info.blocksize.mcp/agentic-payments

Official8 tools

Public MCP discovery for Blocksize market data, pricing, and docs.

Access Blocksize market data, pricing information, and documentation via MCP.

Captured live from the server via tools/list.

search_pairs

Discover supported crypto, equity, FX, and metal symbols before using the paid HTTP API. Returns up to 50 catalog matches with asset class, available services, and pricing tier; it is free, read-only, and never returns live prices or starts payment.

Parameters (2)

querystringrequired
Symbol, ticker, asset, or pair to search for, such as BTC, BTC-USD, ETH, AAPL, EURUSD, or XAUUSD.
asset_classstring
Optional asset-class filter. Use all for the full catalog, crypto for digital assets, equity/equities for supported stock tickers such as AAPL, fx for currency pairs, or metal for metals.

list_instruments

List the supported instruments for one Blocksize service. This is free, read-only catalog metadata; it does not fetch live prices, create accounts, or start x402 payment.

Parameters (1)

servicestring
Blocksize service namespace to list: vwap for crypto VWAP pairs, bidask for shared bid/ask symbols including supported equities, fx for FX pairs, or metal for metals.

get_pricing_info

Inspect current per-call prices, bulk credit tiers, and supported Solana and Base USDC settlement networks. This is free and read-only planning metadata; it does not initiate payment.

No parameters.

get_product_catalog

Inspect Blocksize raw data, supported equity ticker bid/ask, and premium agent-native workflow products, including starter-credit positioning, credit costs, suggested paid prices, endpoint templates, and upgrade path. This is free and read-only.

No parameters.

get_workflow_endpoint

Build the exact paid HTTP endpoint, method, starter-credit cost, and example body for a premium Blocksize workflow. This is free and read-only; it does not fetch live data, charge credits, or start x402.

Parameters (1)

productstringrequired
Premium Blocksize workflow product to prepare.

get_market_data_endpoint

Build the exact x402-protected HTTP URL for one live market-data request. Returns method, URL, service notes, pricing docs, and next steps; it is read-only and does not fetch prices, charge a wallet, or submit payment.

Parameters (2)

servicestringrequired
Live HTTP data service to prepare: vwap for crypto VWAP, bidask for crypto pairs or supported equity/stock tickers such as AAPL, state for AMM state price, vwap30m for latest completed 30-minute close, vwap24h for fixed 24-hour VWAP from the stream cache, fx for currency pairs, or metal for metals.
symbolstringrequired
Exact pair or ticker to use in the paid HTTP URL, such as BTC-USD, AAPL, MSFT, NVDA, EURUSD, or XAUUSD. Use search_pairs first if unsure.

search

Search Blocksize documentation and catalog metadata by keyword. This free read-only search returns document and instrument ids for fetch; it does not return live prices or start payment.

Parameters (1)

querystringrequired
Documentation or catalog search query, such as pricing, quickstart, credits, x402, Solana, Base, BTC, or VWAP.

fetch

Fetch one document or instrument guide returned by search. This is free, read-only content retrieval with no account, credential, payment, or live-price side effects.

Parameters (1)

idstringrequired
Result id returned by the search tool, for example doc:pricing, doc:quickstart, or instrument:crypto:BTCUSD.

Install

claude_desktop_config.json

{
  "mcpServers": {
    "agentic-payments": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.blocksize.info/mcp/server/"
      ]
    }
  }
}

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