{"uid":"cap_fWvQ645LZWR_kaVIsVb-D","slug":"bounty-engineer-tool-output-quality-gate-27e8d16c","name":"Bounty Engineer Tool Output Quality Gate","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-output-quality-gate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{},"schema":{},"observed_at":{"type":"string"},"required_paths":{"type":"array","items":{"type":"string"},"maxItems":100},"max_age_seconds":{"type":"integer"},"max_empty_ratio":{"type":"number","maximum":1,"minimum":0}}},"responseSchema":{"type":"json","example":{"ok":true,"mode":"tool_output_quality_gate","issues":[{"code":"freshness_stale","age_seconds":1066314}],"decision":"reject","freshness":{"status":"stale","age_seconds":1066314,"max_age_seconds":86400},"leaf_stats":{"empty":0,"leaves":3,"empty_ratio":0},"validation":{"valid":true,"errors":[],"error_count":0,"errors_truncated":false},"limitations":["Quality checks structural completeness, declared freshness and schema conformance. It does not verify factual correctness."],"value_sha256":"160aba927402189461c7e3537f7d025926e02e60fb2aa04e926bba246540bfb8","missing_paths":[],"required_paths":["/id","/price"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3mGb67TAJ3qYCFm5aJ8KX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates tool output quality by checking schema conformance, data freshness, required field presence, and empty-value ratios before an agent acts on the result.","exampleAgentPrompt":"Before I use this price feed result, check its quality: validate that it has /id and /price fields, that the data is no more than 86400 seconds old (observed at 2024-06-01T12:00:00Z), and that the empty field ratio doesn't exceed 0.1.","exampleUseCases":[{"title":"Guard agent pipeline from stale data","prompt":"I just got a funding-rate result from an external tool observed at 2024-05-30T00:00:00Z — can you quality-gate it to make sure it's no older than 86400 seconds and that /rate and /symbol are both present before I use it?"},{"title":"Schema conformance check on scraped webpage","prompt":"Run a quality check on this webpage extraction result against the expected schema, confirm all required paths /title and /body exist, and reject it if more than 20% of leaf fields are empty."},{"title":"Pre-action validation for bounty submission","prompt":"Before I submit this GitHub bounty data to the next step, gate it through the quality checker — required paths are /repo and /issue_number, max age is 3600 seconds from the observed_at timestamp, and don't allow any empty fields."}],"resultDescription":"Returns a JSON object with an overall 'ok' boolean, a 'decision' field (accept/reject), a list of 'issues' with codes like 'freshness_stale', freshness metadata including age_seconds and status, leaf-level statistics (total leaves, empty count, empty_ratio), schema validation results with any errors, a SHA-256 hash of the validated value, and a list of missing required paths.","failureModes":["Missing or malformed 'value' field causes validation to fail with schema errors","'observed_at' timestamp in wrong format results in freshness check failure","'required_paths' entries that don't match JSON Pointer format are silently skipped or error","'max_empty_ratio' outside 0–1 range rejected by input schema","Freshness always flagged stale if 'observed_at' is absent","Does not detect factual incorrectness — only structural and freshness issues"],"whenToPreferThis":"Use this endpoint when an AI agent needs a cheap, fast, deterministic gate before acting on a tool's output — especially when staleness, missing fields, or schema conformance could cause downstream errors. Prefer it over ad-hoc agent-side checks when you need a SHA-256 audit trail of the validated value or when standardizing quality gates across a multi-tool pipeline. Not suitable for semantic or factual correctness verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:44:20.249Z","isFirstParty":false,"canonicalSlug":"bounty-engineer-tool-output-quality-gate-27e8d16c"}