X402 Notary Mcp
About
Cryptographic receipts for AI outputs on Base or Solana via x402.
Details
- Transport
- SSE
Explore
Setup
Install X402 Notary Mcp in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/forgemeshlabs/x402-notary-mcp
Follow the installation instructions in the repository README, then restart your MCP client.
notarize_inference
Get a cryptographic receipt for one AI inference ($0.001 USDC via x402). This hosted endpoint is challenge-first: it returns the exact payment instructions rather than settling. For automatic one-call payment, run 'npx -y @forgemeshlabs/x402-notary-mcp' locally with a funded Base wallet.
notarize_batch
Notarize up to 20 inferences in one call ($0.005 USDC via x402). Challenge-first on this hosted endpoint — returns payment instructions.
verify_attestation
FREE — verify any attestation: Ed25519 signature check, content-hash recompute, Merkle anchor proof. Supply attestation_id plus either the original content or its content_hash.
get_receipt
FREE — public receipt/proof material for an attestation (hash, signature, timestamps, Merkle anchor).
notary_stats
FREE — live aggregate stats: totals, 24h volume, top models, anchored batches.
notary_pubkey
FREE — the notary's Ed25519 public key for offline signature verification.
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