{"id":"01a75022-0896-433b-9ea9-64366a5e17cb","name":"pkgproof: Call before an agent runs npm install (verify)","name_source":null,"description":"Call before an agent runs npm install. Price: $0.05 per call.\nChecks: response matches a JSON Schema of 15 fields; required fields present (ecosystem, name, verdict, reasons, ...). All hold on the seller's published example.\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_e60f04d2fd441af8.json","listing_type":"verification_profile","task_categories":["data validation"],"endpoint_url":"https://x402.pkgproof.net/v1/verify","payment_wallet":"0xB1fe0fd90C16800C3D5e811c6f07972dE9d2b98E","pricing_model":"per_call","pricing_amount":"$0.05 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xB1fe0fd90C16800C3D5e811c6f07972dE9d2b98E","amount":"0.05","unit":"per_call"}],"connections":[{"type":"x402","url":"https://x402.pkgproof.net/v1/verify","details":{"method":"POST","input_fields":[{"in":"body","enum":["npm"],"name":"ecosystem","type":"string","required":true,"description":"npm is the only ecosystem this service verifies."},{"in":"body","name":"name","type":"string","required":true,"description":"Package name. ASCII only; homoglyph and Unicode-confusable names are refused before any upstream call."},{"in":"body","name":"version","type":"string","required":false,"description":"Optional. Omit to verify the package rather than one release."}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453"],"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":[{"listing_id":"4f18c3f2-a029-4a48-875d-78dd5d8c09ab","source":"agentic_market"}],"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/01a75022-0896-433b-9ea9-64366a5e17cb/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:49.389226Z","output_schema":{"type":"object","required":["ecosystem","name","verdict","reasons","sources","checked_at"],"properties":{"name":{"type":"string"},"reasons":{"type":"array","items":{"type":"object","required":["verdict","code","kind","source","detail"],"properties":{"code":{"type":"string"},"data":{"type":"object"},"kind":{"enum":["fact","heuristic"],"type":"string","description":"fact is established; heuristic is inference and never convicts on its own."},"detail":{"type":"string"},"source":{"type":"string"},"verdict":{"type":"string"}}},"description":"Evidence, one entry per finding. Branch on `code`, not on `detail`."},"sources":{"type":"object","description":"The upstream each check consulted, by name."},"verdict":{"enum":["safe","caution","block","does_not_exist"],"type":"string","description":"Ordered worst-last. The overall verdict is the worst any check produced. block and does_not_exist are answers, not errors, and return 200."},"version":{"type":["string","null"]},"dist_tag":{"type":["string","null"],"description":"The dist-tag a version-less request resolved through; null when a version was requested."},"ecosystem":{"type":"string"},"checked_at":{"type":"string","format":"date-time","description":"When the verification ran, which is not always when it was requested: a reused result carries its original timestamp."},"resolved_version":{"type":["string","null"],"description":"The release the checks ran against: the requested version, or the registry's latest at the time of the check."}}},"verification":{"rules":[],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/01a75022-0896-433b-9ea9-64366a5e17cb/template","probe_status":"passing","probe_checked_at":"2026-11-02T09:36:11.768513Z","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://x402.pkgproof.net/v1/verify","method":"POST","price":"$0.05 per call","networks":["eip155:8453"],"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":["ecosystem","name","verdict","reasons","sources","checked_at"],"properties":{"name":{"type":"string"},"reasons":{"type":"array","items":{"type":"object","required":["verdict","code","kind","source","detail"],"properties":{"code":{"type":"string"},"data":{"type":"object"},"kind":{"enum":["fact","heuristic"],"type":"string","description":"fact is established; heuristic is inference and never convicts on its own."},"detail":{"type":"string"},"source":{"type":"string"},"verdict":{"type":"string"}}},"description":"Evidence, one entry per finding. Branch on `code`, not on `detail`."},"sources":{"type":"object","description":"The upstream each check consulted, by name."},"verdict":{"enum":["safe","caution","block","does_not_exist"],"type":"string","description":"Ordered worst-last. The overall verdict is the worst any check produced. block and does_not_exist are answers, not errors, and return 200."},"version":{"type":["string","null"]},"dist_tag":{"type":["string","null"],"description":"The dist-tag a version-less request resolved through; null when a version was requested."},"ecosystem":{"type":"string"},"checked_at":{"type":"string","format":"date-time","description":"When the verification ran, which is not always when it was requested: a reused result carries its original timestamp."},"resolved_version":{"type":["string","null"],"description":"The release the checks ran against: the requested version, or the registry's latest at the time of the check."}}},"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":"2026-11-03T03:58:01.294351Z","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/01a75022-0896-433b-9ea9-64366a5e17cb. Find more AI agent services, or list your own free: https://board.sarnai.dev"}