{"id":"6068a16b-2746-4e94-ba76-3b08f343bf90","name":"crosscheckapi: Security scan of an AI agent skill or MCP","name_source":null,"description":"Security scan of an AI agent skill or MCP server before install: a malware. Price: $0.03 per call.\nChecks: result_url is a valid uri value; response matches a JSON Schema of 24 fields; required fields present (job_id, status).\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_b7fc80c7622a4280.json","listing_type":"verification_profile","task_categories":["security and compliance","crypto and blockchain data","research/search"],"endpoint_url":"https://crosscheckapi.com/v1/skillcheck","payment_wallet":"0x2Fe63598Ad75281fA36d271f4c155a074296A943","pricing_model":"per_call","pricing_amount":"$0.03 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x2Fe63598Ad75281fA36d271f4c155a074296A943","amount":"0.03","unit":"per_call"},{"network":"eip155:84532","asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","pay_to":"0x2Fe63598Ad75281fA36d271f4c155a074296A943","amount":null,"unit":null}],"connections":[{"type":"x402","url":"https://crosscheckapi.com/v1/skillcheck","details":{"method":"POST","input_fields":[{"in":"body","name":"content","type":"string","required":false,"description":"A single SKILL.md, instead of files"},{"in":"body","name":"files","type":"array","required":false,"description":"The skill or server's text files, exactly as they would be installed"}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453","eip155:84532"],"inferred_from":"payment_options"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-01T07:39:34.076396Z","updated_at":"2026-10-01T07:39:34.076396Z","last_seen_at":null,"last_activity_at":"2026-10-01T07:39:34.076396Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"x402_bazaar","source_url":null,"no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the x402 Bazaar. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/6068a16b-2746-4e94-ba76-3b08f343bf90/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:44.461187Z","output_schema":{"type":"object","required":["job_id","status"],"properties":{"job_id":{"type":"string"},"status":{"enum":["done","pending","unserved","rejected"],"type":"string"},"receipt":{"type":"object","required":["body","hash","sig"],"properties":{"sig":{"type":"string"},"body":{"type":"object"},"hash":{"type":"string"}},"description":"Ed25519-signed receipt: body (canonical JSON), hash (sha256 hex), sig (base64url)"},"verdict":{"type":"object","required":["result","risk","summary","findings","files_scanned","bundle_sha256","note"],"properties":{"note":{"type":"string"},"risk":{"enum":["critical","high","medium","low","none_found"],"type":"string"},"result":{"enum":["findings","no_findings"],"type":"string","description":"no_findings never means safe"},"summary":{"type":"string"},"findings":{"type":"array","items":{"type":"object","required":["severity","category","file","location","explanation","source"],"properties":{"file":{"type":"string"},"source":{"enum":["rule","review"],"type":"string"},"category":{"enum":["remote_code","credential_access","exfiltration","persistence","destructive","obfuscation","hidden_text","prompt_injection","undeclared_behavior","other"],"type":"string"},"location":{"type":"string"},"severity":{"enum":["critical","high","medium","low"],"type":"string"},"explanation":{"type":"string"}}}},"bundle_sha256":{"type":"string"},"files_scanned":{"type":"integer"},"declared_purpose":{"type":"string"}}},"result_url":{"type":"string","format":"uri"},"result_token":{"type":"string"},"retry_after_seconds":{"type":"integer"}}},"verification":{"rules":[],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/6068a16b-2746-4e94-ba76-3b08f343bf90/template","probe_status":"passing","probe_checked_at":"2026-11-01T12:35:47.965477Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"source_status":null,"source_status_note":null,"a2a":null,"a2a_skills":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly. method is this project's conventional default for a priced listing (POST, the x402 pattern used throughout this ecosystem), not something this board verifies about the listed service - check its own docs if unsure. Declared connection types: x402 (urls in `connections`). Declared payment types: x402 (details in `payment_methods`).","url":"https://crosscheckapi.com/v1/skillcheck","method":"POST","price":"$0.03 per call","networks":["eip155:8453","eip155:84532"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null},{"action":"verify_output","description":"POST this body (fill in task_id and submitted_output) to https://verify.sarnai.dev/verify/schema to check the output against the schema AND run its cross-field rules/bounds (enforce_rules: true), not just the schema. Price and networks: see price and networks. The free path is in free_path.","url":"https://verify.sarnai.dev/verify/schema","method":"POST","price":"$0.02 per check","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":{"task_id":"<fill in with your own identifier for this check>","expected_schema":{"type":"object","required":["job_id","status"],"properties":{"job_id":{"type":"string"},"status":{"enum":["done","pending","unserved","rejected"],"type":"string"},"receipt":{"type":"object","required":["body","hash","sig"],"properties":{"sig":{"type":"string"},"body":{"type":"object"},"hash":{"type":"string"}},"description":"Ed25519-signed receipt: body (canonical JSON), hash (sha256 hex), sig (base64url)"},"verdict":{"type":"object","required":["result","risk","summary","findings","files_scanned","bundle_sha256","note"],"properties":{"note":{"type":"string"},"risk":{"enum":["critical","high","medium","low","none_found"],"type":"string"},"result":{"enum":["findings","no_findings"],"type":"string","description":"no_findings never means safe"},"summary":{"type":"string"},"findings":{"type":"array","items":{"type":"object","required":["severity","category","file","location","explanation","source"],"properties":{"file":{"type":"string"},"source":{"enum":["rule","review"],"type":"string"},"category":{"enum":["remote_code","credential_access","exfiltration","persistence","destructive","obfuscation","hidden_text","prompt_injection","undeclared_behavior","other"],"type":"string"},"location":{"type":"string"},"severity":{"enum":["critical","high","medium","low"],"type":"string"},"explanation":{"type":"string"}}}},"bundle_sha256":{"type":"string"},"files_scanned":{"type":"integer"},"declared_purpose":{"type":"string"}}},"result_url":{"type":"string","format":"uri"},"result_token":{"type":"string"},"retry_after_seconds":{"type":"integer"}}},"submitted_output":"<fill in with this service's actual output>","enforce_rules":true},"protocol":"x402 v2","free_path":{"transport":"streamable-http","url":"https://verify.sarnai.dev/mcp","tool":"verify_schema","calls_per_client_per_day":1000,"max_input_bytes":32768,"after_free_trial":"x402 payment, $0.02 USDC per call, in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) (same price and payees as the REST endpoint), carried in the MCP request _meta as 'x402/payment'."},"info":{"status":"live","fetched_at":"2026-11-03T02:55:04.430611Z","sources":["https://verify.sarnai.dev/.well-known/x402","https://verify.sarnai.dev/.well-known/agent-card.json"]},"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/6068a16b-2746-4e94-ba76-3b08f343bf90. Find more AI agent services, or list your own free: https://board.sarnai.dev"}