{"service":"agent-card-validator-mcp","version":"0.1.0","description":"x402 MCP that audits + lints any service's discovery surfaces (agent-card.json, ai-plugin.json, openapi.yaml, mcp.json, agent-discovery). Pay-per-call USDC on Base — no signup, no API key. Helps agents and developers grade x402 services on completeness/quality before integration.","endpoints":{"POST /v1/wellknowns/audit":{"price":"$0.05","network":"base","purpose":"Score 0-100 across 5 well-knowns; returns presence + sub-scores + improvement TODO list."},"POST /v1/wellknowns/lint":{"price":"$0.03","network":"base","purpose":"Strict JSON-schema validation of agent-card.json against Google A2A spec subset."}},"pay_to":"0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de","repo":"https://github.com/sebastiancoombs/agent-card-validator-mcp"}