{"protocolVersion": "0.3.0", "name": "attest", "description": "Deterministic verification of an agent artifact", "url": "https://attest.rta.lat/verify", "provider": {"organization": "attest", "url": "https://attest.rta.lat"}, "version": "0.1.0", "capabilities": {"streaming": false, "pushNotifications": false, "stateTransitionHistory": false}, "defaultInputModes": ["application/json"], "defaultOutputModes": ["application/json"], "authentication": {"schemes": ["x402"], "credentials": "USDC on Base mainnet (eip155:8453). Без аккаунта и API-ключа: бесплатный лимит, потом вызов с заголовком PAYMENT-SIGNATURE (x402 v2) или X-PAYMENT (x402 v1)."}, "payment": {"protocol": "x402", "network": "eip155:8453", "asset": "USDC", "discovery": "https://attest.rta.lat/.well-known/x402"}, "skills": [{"id": "verify", "name": "Verify artifact", "description": "Deterministic verification of an agent artifact", "tags": ["verification", "security", "prompt-injection"], "examples": ["{\"artifact\": {\"city\": \"Berlin\", \"temp_c\": 18.5, \"conditions\": \"clear\"}, \"schema\": {\"type\": \"object\", \"required\": [\"city\", \"temp_c\"], \"properties\": {\"city\": {\"type\": \"string\"}, \"temp_c\": {\"type\": \"number\"}}}, \"source\": \"weather-tool\"}"], "inputModes": ["application/json"], "outputModes": ["application/json"], "endpoint": "https://attest.rta.lat/verify"}], "x402": {"version": [1, 2], "network": "eip155:8453", "chain_id": 8453, "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "facilitator": "PayAI"}, "services": [{"path": "/verify", "description": "Deterministic verification of an agent artifact", "price_usd": 0.005, "try_free": ""}], "docs": "https://attest.rta.lat/llms.txt"}