io.github.robertoyanguas-ops/assay

up checked 2026-11-11T05:39:18.639Z

Unclaimed · Unverified

Publisher-provided description

A2A & MCP Pre-Flight Security: SHA-256 tool schema rug-pull detection and liveness grades.

Summary by lookupd

Pre-flights remote MCP and A2A endpoints by checking reachability, pinning tool schema hashes, and verifying paid provider delivery.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http assay https://assay-207908449630.us-central1.run.app/mcp

Codex, remote (streamable-http)

codex mcp add assay --url https://assay-207908449630.us-central1.run.app/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "assay": {
      "url": "https://assay-207908449630.us-central1.run.app/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

assay_preflight Gate a remote MCP, A2A, or x402 endpoint before calling or paying it by probing live JSON-RPC reachability, hashing tools/list (SHA-256), and scanning for promp
assay_probe Register a new remote MCP, A2A, or x402 endpoint or refresh its public Assay Observatory dossier by running a live HTTP, agent-card, and JSON-RPC tools/list ins
assay_verify_delivery Audit a paid x402 or A2A provider after payment to confirm delivery or prove an SLA breach with an HMAC-SHA256 signed receipt. Passing status_code >= 500 forces
assay_get_ledger_policy Retrieve historical conformance observations and manage pinned SHA-256 tools/list policy hashes in the Assay ledger for a target endpoint. When expected_tools_h

Shows this live status and links here; updates hourly.

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