Blocksize Agentic Market Intelligence
Multi-venue VWAP, bid/ask, crypto FX, metals and equities with provenance receipts for AI agents
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"agentic-payments": {
"url": "https://mcp.blocksize.info/mcp/server/"
}
}
}Remote endpoints
https://mcp.blocksize.info/mcp/server/streamable-httpWhat it can do
Tool inventory
Tools (9)
🟢search_pairs(query, asset_class)
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.
Input Schema
{
"type": "object",
"properties": {
"query": {
"description": "Symbol, ticker, asset, or pair to search for, such as BTC, BTC-USD, ETH, AAPL, EURUSD, or XAUUSD.",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"asset_class": {
"default": "all",
"description": "Optional asset-class filter. Use all for the full catalog, crypto for digital assets, equity/equities for catalog-confirmed stock symbols such as AAPLXUSD, fx for currency pairs, or metal for metals.",
"enum": [
"all",
"crypto",
"equity",
"equities",
"fx",
"metal"
],
"type": "string"
}
},
"required": [
"query"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢list_instruments(service, limit, offset)
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.
Input Schema
{
"type": "object",
"properties": {
"service": {
"default": "vwap",
"description": "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.",
"enum": [
"vwap",
"bidask",
"fx",
"metal"
],
"type": "string"
},
"limit": {
"default": 100,
"description": "Maximum instruments to return. Use offset to traverse the stable catalog without requesting the entire upstream array.",
"maximum": 500,
"minimum": 1,
"type": "integer"
},
"offset": {
"default": 0,
"description": "Zero-based offset into the sorted instrument catalog.",
"minimum": 0,
"type": "integer"
}
},
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢get_pricing_info
Inspect current direct x402 per-call prices, authenticated connector starter-credit costs, supported USDC settlement networks, and the account-plan contact path. This is free read-only metadata; it does not initiate payment.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢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.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢recommend_account_plan(expected_monthly_live_calls, team_seats, recurring_days_per_month, needs_sla)
Recommend a sales-assisted Blocksize account plan from expected live-call volume, team size, recurring use, and SLA needs. This is free and does not collect contact details, create an entitlement, or start a purchase.
Input Schema
{
"type": "object",
"properties": {
"expected_monthly_live_calls": {
"description": "Expected live-data calls per month.",
"maximum": 100000000,
"minimum": 0,
"type": "integer"
},
"team_seats": {
"default": 1,
"description": "People or service identities sharing access.",
"maximum": 10000,
"minimum": 1,
"type": "integer"
},
"recurring_days_per_month": {
"default": 0,
"description": "Days per month the workflow is expected to run.",
"maximum": 31,
"minimum": 0,
"type": "integer"
},
"needs_sla": {
"default": false,
"type": "boolean"
}
},
"required": [
"expected_monthly_live_calls"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢get_workflow_endpoint(product)
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.
Input Schema
{
"type": "object",
"properties": {
"product": {
"description": "Premium Blocksize workflow product to prepare.",
"enum": [
"agent_market_brief",
"pre_trade_sanity_check",
"audit_grade_price_receipt",
"multi_asset_macro_snapshot",
"spend_controlled_market_monitor",
"token_market_quality_indicator",
"state_divergence_indicator",
"solana_token_brief",
"trader_alpha_pack"
],
"type": "string"
}
},
"required": [
"product"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢get_market_data_endpoint(service, symbol)
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.
Input Schema
{
"type": "object",
"properties": {
"service": {
"description": "Live HTTP data service to prepare: vwap for crypto VWAP, bidask for crypto pairs or catalog-confirmed equity symbols such as AAPLXUSD, 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.",
"enum": [
"vwap",
"bidask",
"state",
"vwap30m",
"vwap24h",
"fx",
"metal"
],
"type": "string"
},
"symbol": {
"description": "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.",
"maxLength": 80,
"minLength": 2,
"type": "string"
}
},
"required": [
"service",
"symbol"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢search(query)
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.
Input Schema
{
"type": "object",
"properties": {
"query": {
"description": "Documentation or catalog search query, such as pricing, quickstart, credits, x402, Solana, Base, BTC, or VWAP.",
"maxLength": 120,
"minLength": 1,
"type": "string"
}
},
"required": [
"query"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}🟢fetch(id)
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.
Input Schema
{
"type": "object",
"properties": {
"id": {
"description": "Result id returned by the search tool, for example doc:pricing, doc:quickstart, or instrument:crypto:BTCUSD.",
"maxLength": 160,
"minLength": 1,
"type": "string"
}
},
"required": [
"id"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"result": {
"type": "string"
}
},
"required": [
"result"
],
"x-fastmcp-wrap-result": true
}Community
Evidence