{"name":"org.pennyforge.api/sendcheck","slug":"api-sendcheck","title":"SendCheck — EVM address verification (x402)","description":"Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.","url":"https://mcp.market/server/api-sendcheck","rating":null,"grade":"A","score":85,"certified":false,"status":"active","category":"finance","tags":["finance","security"],"presence":{"score":20,"stars":0,"forks":0,"downloads_week":null,"last_push_at":"2026-09-10T00:35:13.000Z","license":"MIT"},"uptime":{"percent":100,"checks":1,"ok":1,"last_checked_at":"2026-09-19T20:00:26.799Z","last_ok_at":"2026-09-19T20:00:26.799Z","latency_ms":35},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/pennyforgeorg/sendcheck-verify","website":null,"version":"1.0.0","remotes":[{"type":"streamable-http","url":"https://api.pennyforge.org/mcp"}],"packages":[],"tools":[{"name":"check_address","description":"Paid pre-send verification of one EVM address on one chain ($0.01 USDC via x402, EIP-3009 on Base): checksum, wallet-vs-contract, outgoing activity, native/USDC/USDT balances, leveled verdict with reasons and next action. TWO-PHASE: call without x_payment first to get the exact payment challenge (payTo, amount, asset), sign the USDC transfer, then call again with x_payment = the resulting X-Payment header to get the report. No account, no API key — the payment is the authentication.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"address":{"type":"string","description":"EVM address, 0x + 40 hex characters"},"chain":{"type":"string","enum":["base","ethereum","arbitrum","optimism","polygon"],"description":"Chain to scan (default: base)"},"x_payment":{"type":"string","description":"X-Payment header value from your signed EIP-3009 transfer (second phase only)"}},"required":["address"]}},{"name":"deep_scan","description":"Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and USDC/USDT token-mismatch flags ($0.05 USDC via x402, EIP-3009 on Base). TWO-PHASE like check_address: first call returns the payment challenge; second call with x_payment returns the report.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"address":{"type":"string","description":"EVM address, 0x + 40 hex characters"},"x_payment":{"type":"string","description":"X-Payment header value from your signed EIP-3009 transfer (second phase only)"}},"required":["address"]}},{"name":"validate_address","description":"FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a passing checksum is a spell-check, not payee verification. Run this before paying for check_address.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"address":{"type":"string","description":"EVM address, 0x + 40 hex characters (any casing)"}},"required":["address"]}}],"scan":{"score":85,"grade":"A","scanned_at":"2026-09-19T21:42:34.119Z","report":{"scannerVersion":"0.1.9","scannedAt":"2026-09-19T21:42:34.095Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 351ms"]},"poisoning":{"score":15,"max":15,"notes":["3 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":15,"max":15,"notes":["last push 10 days ago"]},"identity":{"score":4,"max":10,"notes":["namespace and repository owner differ"]}},"findings":[],"inputs":{"probes":[{"url":"https://api.pennyforge.org/mcp","reachable":true,"authRequired":false,"latencyMs":351,"serverInfo":{"name":"sendcheck","version":"1.0.0"}}],"packages":[],"repo":{"found":true,"owner":"pennyforgeorg","repo":"sendcheck-verify","archived":false,"pushedAt":"2026-09-10T00:35:13Z","stars":0,"forks":0,"openIssues":0,"ownerType":"Organization","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/326497866?v=4","ownerCreatedAt":"2026-09-08T12:50:51Z","license":"MIT"},"icon":{"url":null,"source":"none"},"presence":{"stars":0,"forks":0,"downloadsWeek":null,"license":"MIT","lastPushAt":"2026-09-10T00:35:13.000Z","score":20}}}},"grade_history":[],"reviews":[]}