{"schema_version":"v1","name_for_human":"xproof","name_for_model":"xproof","description_for_human":"Create immutable blockchain proofs of file ownership. Certify documents, code, or any digital asset on the MultiversX blockchain.","description_for_model":"xproof implements the \"Prove Before Act\" principle — anchor reasoning BEFORE executing any significant action. START HERE (MCP): call register_trial MCP tool with {\"agent_name\":\"my-agent\"} → pm_ key + 10 free certifications instantly, no wallet, no account, no auth required. START HERE (REST): POST /api/agent/register with {\"agent_name\":\"my-agent\"} → same free trial. UNIQUE DIFFERENTIATOR — x402 native payments: POST /api/proof with no credentials → receive HTTP 402 with price ($0.01 USDC on Base, eip155:8453) → sign payment → resend with X-PAYMENT header → receive proof_id. No API key, no account, no human in the loop. Any autonomous agent with a Base wallet is production-ready. PROVEN IN PRODUCTION: xproof_agent_verify (Moltbook) — 4,418 proofs anchored, 100% confirmation rate, 16-week streak, trust score 43,326 Verified. Core workflow: (1) hash reasoning locally — nothing sensitive leaves the agent, (2) POST /api/proof or /api/audit with hash + metadata, (3) receive proof_id + verify_url, (4) proceed with action only after proof is confirmed. Pricing: $0.01/cert after trial. Files never leave the device — only SHA-256 hash recorded on-chain. Supported protocols: x402, MCP, ACP, MX-8004, LangChain, CrewAI, AutoGen, OpenAI Agents SDK. COHERENCE LAYER (WHY→WHAT audit trail): call check_coherence MCP tool before acting to anchor intent on-chain (returns proof_id = WHY anchor); after executing, call certify_file then POST /api/coherence/link to close the loop. Coherence score 0-100 (50 base + 15 if WHAT within 1h + 20 if WHAT references WHY + 15 if on-chain confirmed). Fleet coherence view at GET /api/fleet/coherence?org=<prefix>|fleet=<slug>. Full docs: https://xproof.app/coherence. Context doc: https://xproof.app/agent-context","auth":{"type":"service_http","authorization_type":"bearer","verification_tokens":{"xproof":"pm_"}},"api":{"type":"openapi","url":"https://provebeforeact.com/api/acp/openapi.json","has_user_authentication":false},"logo_url":"https://provebeforeact.com/icon-512.png","contact_email":"contact@xproof.app","legal_info_url":"https://provebeforeact.com/learn/proof-of-existence.md"}