{"name":"com.provenpaid/mcp","slug":"provenpaid-mcp","title":"ProvenPaid","description":"Check an x402 endpoint before your agent pays it: challenge validity and on-chain payer evidence.","url":"https://mcp.market/server/provenpaid-mcp","rating":null,"grade":"B","score":82,"certified":false,"status":"active","category":"ai","tags":["ai"],"presence":{"score":18,"stars":0,"forks":0,"downloads_week":null,"last_push_at":"2026-10-09T01:14:24.000Z","license":"MIT"},"uptime":null,"claimed":false,"transport":"pypi","callable_via_gateway":false,"default_price_micros":0,"repository":"https://github.com/justinsmithphd/provenpaid-mcp","website":"https://api.provenpaid.com","version":"0.2.0","remotes":[],"packages":[{"registryType":"pypi","identifier":"provenpaid-mcp","version":"0.2.0","transport":{"type":"stdio"},"environmentVariables":[{"description":"Optional. Private key of a dedicated low-balance wallet holding USDC on Base, used only to sign payments after the 10 free checks. Not needed to try it.","isSecret":true,"name":"PROVENPAID_WALLET_PRIVATE_KEY"},{"description":"Maximum paid checks per UTC day (default 20).","name":"PROVENPAID_DAILY_LIMIT"},{"description":"Refuse checks priced above this (default 0.01, hard ceiling 0.10).","name":"PROVENPAID_MAX_PRICE_USD"}]}],"tools":[],"scan":null,"grade_history":[],"reviews":[]}