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Blocksize Agentic Market Intelligence

by mcp.blocksize.info · remote · no sign-in to list tools · v0.6.24 · published by info.blocksize.mcp

Multi-venue VWAP, bid/ask, crypto FX, metals and equities with provenance receipts for AI agents

Changes · 1
CompareRegistry entry

9 tools: 1 change things and 8 only read.

Scanned Oct 21, 2026

1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http agentic-payments https://mcp.blocksize.info/mcp/server/?utm_source=mcp-registry

Findings

Matches of fixed checks, with the text they matched.

1 info
  • Infofetch

    The description mentions "credential".

    Matched text

    description: "...only content retrieval with no account, credential, payment, or live-price side effects."

    What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

9 tools

Changes things 1Claude Code: ask
  • recommend_account_planRecommend a sales-assisted Blocksize account plan from expected live-call volume, team size, recurring use, and SLA needs.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Account Plan Recommender
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
Only reads 8Claude Code: allow
  • fetchFetch one document or instrument guide returned by search.1 finding

    Why it is in this group

    • The name "fetch" says "fetch": a word for reading.

    Findings

    • Info

      The description mentions "credential".

      Matched text

      description: "...only content retrieval with no account, credential, payment, or live-price side effects."

      What this check looks for
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Catalog Fetch
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • get_market_data_endpointBuild the exact x402-protected HTTP URL for one live market-data request.No findings

    Why it is in this group

    • The name "get_market_data_endpoint" says "get": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Live Data Endpoint Builder
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • get_pricing_infoInspect current direct x402 per-call prices, authenticated connector starter-credit costs, supported USDC settlement networks, and the account-plan contact path.No findings

    Why it is in this group

    • The name "get_pricing_info" says "get": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Pricing Information
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • get_product_catalogInspect Blocksize raw data, supported equity ticker bid/ask, and premium agent-native workflow products, including starter-credit positioning, credit costs, suggested paid prices, …No findings

    Why it is in this group

    • The name "get_product_catalog" says "get": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Product Catalog
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • get_workflow_endpointBuild the exact paid HTTP endpoint, method, starter-credit cost, and example body for a premium Blocksize workflow.No findings

    Why it is in this group

    • The name "get_workflow_endpoint" says "get": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Premium Workflow Endpoint Builder
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • list_instrumentsList the supported instruments for one Blocksize service.No findings

    Why it is in this group

    • The name "list_instruments" says "list": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Instrument List
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • search_pairsDiscover supported crypto, equity, FX, and metal symbols before using the paid HTTP API.No findings

    Why it is in this group

    • The name "search_pairs" says "search": a word for reading.
    Description, as the server wrote it
    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.

    Annotations the server declares

    • title: Instrument Search
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.6.24. Values in angle brackets are yours to fill in.

claude mcp add --transport http agentic-payments https://mcp.blocksize.info/mcp/server/?utm_source=mcp-registry

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__agentic-payments__search_pairs",
      "mcp__agentic-payments__list_instruments",
      "mcp__agentic-payments__get_pricing_info",
      "mcp__agentic-payments__get_product_catalog",
      "mcp__agentic-payments__get_workflow_endpoint",
      "mcp__agentic-payments__get_market_data_endpoint",
      "mcp__agentic-payments__search",
      "mcp__agentic-payments__fetch"
    ],
    "ask": [
      "mcp__agentic-payments__recommend_account_plan"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as agentic-payments. Review it before you use it.