{"name":"tech.vauban/pay-mcp","slug":"vauban-pay-mcp","title":null,"description":"x402 tools for MCP clients: pay exact/Starknet or STARK-receipt 402s, verify, JCS-hash. No account.","url":"https://mcp.market/server/vauban-pay-mcp","rating":null,"grade":"C","score":55,"certified":false,"status":"active","category":"other","tags":[],"presence":{"score":0,"stars":null,"forks":null,"downloads_week":null,"last_push_at":null,"license":"Apache-2.0"},"uptime":null,"claimed":false,"transport":"npm","callable_via_gateway":false,"default_price_micros":0,"repository":null,"website":null,"version":"0.7.1","remotes":[],"packages":[{"registryType":"npm","identifier":"@vauban-pay/mcp","version":"0.7.1","transport":{"type":"stdio"},"environmentVariables":[{"description":"Starknet Sepolia RPC endpoint for the two chain-reading tools. Optional; defaults to a public node not operated by Vauban.","name":"STARKNET_RPC_URL"},{"description":"Starknet Sepolia account address enabling make_payment chain mode. Optional; without it make_payment returns a hash-only pending result with no network call.","name":"PAY_MCP_SEPOLIA_ACCOUNT_ADDRESS"},{"description":"Private key for that account. Optional; never required to try the tools.","isSecret":true,"name":"PAY_MCP_SEPOLIA_PRIVATE_KEY"},{"description":"Standard x402 path: comma-separated payTo addresses pay_for_resource may pay, or * for any. Empty pays nobody (fail closed).","name":"PAY_MCP_STANDARD_X402_PAYEES"},{"description":"Standard x402 path: cap on one payment in atomic units (default 0.1 STRK).","name":"PAY_MCP_STANDARD_X402_MAX_WEI"},{"description":"Standard x402 path: a signer of its own (falls back to PAY_MCP_SEPOLIA_*).","name":"PAY_MCP_STANDARD_X402_ACCOUNT_ADDRESS"},{"description":"Private key for that account. Optional.","isSecret":true,"name":"PAY_MCP_STANDARD_X402_PRIVATE_KEY"}]}],"tools":[{"name":"check_merchant","description":"Check a merchant's proven service history (an x402 STARK-receipt history document,","write_action":false,"price_micros":0,"input_schema":null},{"name":"jcs_hash","description":"JCS (RFC 8785) canonicalize a JSON object then compute its SHA-256 hash.","write_action":false,"price_micros":0,"input_schema":null},{"name":"make_payment","description":"Make a payment on Starknet Sepolia testnet. Call it with no arguments to","write_action":false,"price_micros":0,"input_schema":null},{"name":"pay_for_resource","description":"Fetch a resource gated behind x402 and complete the payment flow to obtain it -- the x402 CLIENT walk, which none of the other tools here perform. GET url: if it answers 200 directly, the resource was free (outcome no_payment_required -- not a failure, x402 gates specific endpoints, not the whole internet). If it answers 402, parses the PAYMENT-REQUIRED manifest, downloads a STARK proof from proof","write_action":true,"price_micros":0,"input_schema":null},{"name":"request_delegation_grant","description":"Create a DelegationGrant authorization object. Builds the grant with","write_action":true,"price_micros":0,"input_schema":null},{"name":"verify_receipt","description":"Verify a SettlementReceipt. Two modes:","write_action":false,"price_micros":0,"input_schema":null}],"scan":{"score":55,"grade":"C","scanned_at":"2026-09-20T00:24:57.737Z","report":{"scannerVersion":"0.1.9","scannedAt":"2026-09-20T00:24:57.746Z","components":{"code":{"score":25,"max":25,"notes":["15 source files scanned"]},"reliability":{"score":-1,"max":20,"notes":["no gateway calls yet and no remote to probe"]},"poisoning":{"score":-1,"max":15,"notes":["tools not inspected (local package is not executed); not counted"]},"auth":{"score":6,"max":15,"notes":["static API keys via environment variables"]},"maintenance":{"score":3,"max":15,"notes":["no repository listed"]},"identity":{"score":2,"max":10,"notes":["no repository or website to verify"]}},"findings":[{"id":"maint.no-repo","severity":"low","component":"maintenance","title":"No source repository listed"}],"inputs":{"packages":[{"registryType":"npm","identifier":"@vauban-pay/mcp","version":"0.7.1","found":true,"license":"Apache-2.0","hasInstallScripts":false,"dependencyCount":7,"publishedAt":"2026-09-08T06:38:08.086Z"}],"repo":{"found":false},"icon":{"url":"https://vauban.tech/favicon.svg","source":"site"},"presence":{"stars":null,"forks":null,"downloadsWeek":null,"license":"Apache-2.0","lastPushAt":null,"score":0}}}},"grade_history":[],"reviews":[]}