{"uid":"cap_40zKJvlyle26EocdHxwAF","slug":"bounty-engineer-tool-contract-bridge-de53dbcd","name":"Bounty Engineer Tool Contract Bridge","description":"Machine-buyable infrastructure for autonomous agents: API cost routing, margin optimization, funding-rate data, webpage extraction, result verification, spend controls, retry planning, state, tender search and GitHub bounty intelligence.","url":"https://bounty-engineer-x402-prod.onrender.com/v1/tool-contract-bridge?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"candidates":{"type":"array","maxItems":60,"minItems":1},"required_schema":{"type":"object"}}},"responseSchema":{"type":"json","example":{"ok":true,"mode":"tool_contract_bridge","candidates":[{"id":"reader","issues":[],"compatible":true,"issue_count":0,"extra_required_fields":[],"candidate_property_count":1},{"id":"other","issues":[{"code":"missing_candidate_property","path":"/url"},{"code":"candidate_requires_extra_field","path":"/query"}],"compatible":false,"issue_count":2,"extra_required_fields":["query"],"candidate_property_count":1}],"limitations":["Checks a conservative supported JSON Schema subset and required-field compatibility. It does not prove semantic equivalence between tools."],"compatible_candidates":["reader"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-kE1HgKMVHqm0sF5boQ2p","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a set of candidate tool definitions are schema-compatible with a required JSON Schema contract, returning per-candidate compatibility reports and issue lists.","exampleAgentPrompt":"Check which of these candidate tool definitions are compatible with my required schema — I have about 5 candidates and I need to know which ones pass, which ones fail, and exactly what fields are missing or extra for each.","exampleUseCases":[{"title":"Screen tools before agent deployment","prompt":"Before I deploy my agent, I need to check which of these 10 candidate tool definitions actually satisfy the required contract schema — can you run them all through the tool contract bridge and tell me which ones are compatible and what issues the others have?"},{"title":"Debug a failing tool integration","prompt":"My tool definition keeps getting rejected by the agent runtime — can you validate it against this required schema and show me exactly which fields are missing or incompatible so I can fix it?"},{"title":"Audit multiple vendor tool specs","prompt":"I've got 15 tool specs from different vendors and I need to know which ones conform to our required interface schema before I add them to our agent marketplace — run them all through the contract validator and give me a compatibility report for each one."}],"resultDescription":"A JSON object containing an 'ok' flag, the mode identifier 'tool_contract_bridge', a per-candidate array with compatibility status (true/false), a list of specific issues (each with a code and path), counts of issues and properties, extra required fields, a list of compatible candidate IDs, and a limitations notice about the scope of the JSON Schema subset checked.","failureModes":["Fewer than 1 or more than 60 candidates causes a validation error","Malformed required_schema object causes a parse error","Schema features outside the supported conservative JSON Schema subset may produce inaccurate compatibility results","Network or service unavailability on the Render.com deployment returns a connection error","Payment failure via x402 protocol blocks the request before processing"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that candidate tool definitions conform to a required JSON Schema contract before wiring them into an agent — especially useful when screening batches of up to 60 tools from different sources. Prefer this over manual schema comparison or generic JSON validators when you need structured per-candidate issue reports with field-level diagnostics. Not suitable for proving semantic equivalence between tools, only structural/schema compatibility.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:37:01.835Z","isFirstParty":false,"canonicalSlug":"bounty-engineer-tool-contract-bridge-de53dbcd"}