dev.agentdiet/assay

up checked 2026-11-11T04:39:06.271Z

Unclaimed · Unverified

Publisher-provided title

Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory

Publisher-provided description

Live behavioral security verifier, schema auditor, and trust oracle for A2A, MCP & x402 agents.

Summary by lookupd

Lets an agent pre-check remote MCP, A2A, or x402 endpoints for reachability and prompt-injection risk, and audit paid provider delivery.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http assay https://assay.agentdiet.dev/mcp

Codex, remote (streamable-http)

codex mcp add assay --url https://assay.agentdiet.dev/mcp

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

{
  "mcpServers": {
    "assay": {
      "url": "https://assay.agentdiet.dev/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.

[![lookupd status](https://lookupd.com/badge/dev.agentdiet/assay.svg)](https://lookupd.com/servers/dev.agentdiet/assay)