{"id":"1f1f619b-458f-4fb3-93f6-54792e4a5743","slug":"jasonxkensei-xproof-openclaw-skill","name":"xproof","description":"Certify files on MultiversX blockchain via xProof. Use when the user wants to prove file existence, create a proof of ownership, certify a document or code artifact, verify an existing certification, or anchor agent outputs on-chain. Supports single file, batch (up to 50 files), and x402 payment (no API key needed). Starting at $0.05 per proof, price decreases as the network grows. See https://xproof.app/api/pricing","capabilities":["prove"],"protocols":["MCP"],"safetyScore":89,"overallRank":27.885,"trustScore":null,"trust":null,"source":"GITHUB_OPENCLEW","updatedAt":"2026-02-24T19:43:14.176Z"}