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A curated registry of Model Context Protocol servers, each with an automated security grade from our tool-surface scanner.
Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.
Cited, receipt-backed US home-buying data & calculators — education-only, every number sourced.
Contradiction-verified, freshness-SLA'd signed data feed: per-record status, as-of date, and receipt.
Agentic rails for complex workflows with receipts, fees, and MCP tool access.
Verified commerce data and shopper activation tools for AI agents.
Rank x402 providers and generate Ed25519-signed payment receipts for AI agent transactions.
Human-in-the-loop approval for agent actions, with verifiable action-bound receipts.
Executes x402 payment-gated tasks with signed receipts and Filecoin proofs via MCP.
Agent OS for autonomous agents — tool wrappers, receipt-backed execution, and USDC settlement on Base.
Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V6 trust receipt.
Payment rails for AI agents — pay merchants in USDC on Base via x402 and OKX APP protocols.
No-key MCP: audit/certify MCPs, signed trust history; join Gold Rush Town & build with your LLM.
Run an MCP server? Paste its remote endpoint — we'll scan it (read-only) and publish a free, reproducible security grade. Genuine MCP servers get listed instantly.