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Open-source firewall for MCP tool definitions. Scans a server's tools/list for prompt injection, secret requests, exfiltration and hidden Unicode before a host shows them to a model, with deterministic published rules (version and digest in every verdict) and a published, reproducible false-positive profile.

Public transparency log for MCP servers. Observes the official MCP registry daily, pins each server's tool set in an append-only Merkle log and issues signed labels when definitions change. Ask it about a server before your agent connects; it never contacts the server you ask about.

Open market hub for agent capabilities: live, signed real-world data (weather, air quality, sensors) and verifiable computation (randomness, oracles), sold per call by independent providers over MCP, A2A and x402 (USDC on Base). Every result carries a signed receipt.