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sh.clearhouse/clearhouse

by clearhouse.sh · remote · no sign-in to list tools · v0.8.0 · published by sh.clearhouse

One search across every agent registry: 100K+ MCP/A2A/x402 services, signed receipts.

Changes · 4
CompareRegistry entry

5 tools: 4 change things and 1 only read.

Scanned Oct 21, 2026

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

claude mcp add --transport http clearhouse https://mcp.clearhouse.sh/mcp

Tools

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

5 tools

Changes things 4Claude Code: ask
  • call_serviceCall a listed remote service THROUGH Clearhouse and get a signed receipt.No findings

    Why it is in this group

    • The name "call_service" says "call": a word for a change.
    Description, as the server wrote it
    Call a listed remote service THROUGH Clearhouse and get a signed receipt. Routes the call via the matching protocol adapter (MCP / A2A / HTTP-x402), enforces spend caps, settles x402 paywalls (dry-run by default), and returns the result plus a cryptographically signed receipt binding intent -> execution -> settlement -> outcome. Args: listing_id: id from search_agents results tool: downstream tool name (omit to list the service's tools) args_json: JSON object of tool arguments caller_ref: opaque caller identifier for the receipt payment_json: for paid services — JSON {"authorization": typed_data.message, "signature": "0x..."} produced by signing quote_call's typed_data with your own key. Clearhouse relays it; it never sees your private key.
  • index_statsHow many listings Clearhouse currently indexes, broken down by source registry.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.
    Description, as the server wrote it
    How many listings Clearhouse currently indexes, broken down by source registry.
  • quote_callStep 1 of a paid call (non-custodial).No findings

    Why it is in this group

    • The name "quote_call" says "call": a word for a change.
    Description, as the server wrote it
    Step 1 of a paid call (non-custodial). Fetches the service's payment requirements and returns the exact EIP-712 typed data your agent must sign with ITS OWN key. Nothing is charged until you sign and pass the result to call_service. If the service is free, says so. Args: listing_id: id from search_agents payer_address: your agent's wallet address (the key that will sign) args_json: JSON object of query args for the service
  • service_evidenceObserved facts about a listing: live probe results (handshake, latency, HTTP status) and routed-call history (count, success rate, distinct callers).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.
    Description, as the server wrote it
    Observed facts about a listing: live probe results (handshake, latency, HTTP status) and routed-call history (count, success rate, distinct callers). Includes an arithmetic summary_index with published methodology and a confidence tier. This is EVIDENCE for the caller's own decision — not a safety rating, and Clearhouse never selects or executes on your behalf.
Only reads 1Claude Code: allow
  • search_agentsSearch all indexed agent registries at once.No findings

    Why it is in this group

    • The name "search_agents" says "search": a word for reading.
    Description, as the server wrote it
    Search all indexed agent registries at once. Args: query: capability keywords, e.g. "pdf extraction", "solana rpc", "payments" remote_only: only return services callable over the network right now limit: max results (1-50)

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 0.8.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http clearhouse https://mcp.clearhouse.sh/mcp

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__clearhouse__search_agents"
    ],
    "ask": [
      "mcp__clearhouse__quote_call",
      "mcp__clearhouse__call_service",
      "mcp__clearhouse__service_evidence",
      "mcp__clearhouse__index_stats"
    ],
    "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 clearhouse. Review it before you use it.