{"uid":"cap_CcFn8qYgwWao4Xj_RcjfZ","slug":"tool-schemas-missingness-co-occurrence-analyzer-b541d9c6","name":"Tool Schemas Missingness Co-occurrence Analyzer","description":"Count joint missing owner, input and output schema pins in tool-schema declaration metadata. An incomplete declaration does not establish an unavailable or unsafe runtime service. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.","url":"https://www.mahastrategies.com/api/v1/verify/tool-schemas/missingness-cooccurrence?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"contracts":{"type":"array","maxItems":32,"minItems":1},"dataClass":{"enum":["public","synthetic"],"type":"string"},"nonpersonalMetadata":{"type":"boolean","const":true}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.020304","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":"$0.020304/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.020304","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.020304","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2waz6MGp8ihSAf9ofT4ma","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.020304","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Counts joint missing owner, input schema, and output schema pins across a batch of tool-schema declarations to quantify co-occurrence patterns of incomplete metadata fields.","exampleAgentPrompt":"Can you check these 5 tool schema contracts for joint missingness — specifically where owner, input schema, and output schema pins are all missing together? Treat this as public, nonpersonal metadata only.","exampleUseCases":[{"title":"Pre-deployment schema completeness audit","prompt":"I have 20 tool schema contracts I'm about to publish — can you run a missingness co-occurrence check on them to see how many are jointly missing owner pins and input/output schemas? Classify the data as public and confirm it's nonpersonal metadata."},{"title":"Marketplace tool quality review","prompt":"We're reviewing a batch of 15 tool declarations submitted to our marketplace. Can you count the joint missing owner, input schema, and output schema pins across all of them so we know how many have compound incompleteness issues? Data class is synthetic."},{"title":"Schema registry health monitoring","prompt":"I want to know how often tool contracts in our registry are simultaneously missing both owner and output schema pins — can you run a co-occurrence analysis on these 10 contracts? It's all public nonpersonal metadata."}],"resultDescription":"Returns counts of joint missing field combinations across the submitted tool schema contracts — specifically how many contracts are simultaneously missing owner pins, input schema pins, and/or output schema pins, along with co-occurrence metrics for each combination of absent fields. Results are retained for 24 hours; minimal receipt metadata is kept for 90 days.","failureModes":["Batch exceeds 32 contracts — returns validation error","nonpersonalMetadata not set to true — request rejected","dataClass not one of 'public' or 'synthetic' — enum validation failure","Empty contracts array (minItems:1 not met) — schema validation error","Malformed contract objects in array — parse or schema error","Payment not provided or insufficient — 402 payment required"],"whenToPreferThis":"Choose this endpoint when you need to statistically characterize the incompleteness of tool schema declarations at the metadata level — specifically to understand which fields (owner, input schema, output schema) tend to be missing together. It is appropriate for offline, nonpersonal, public or synthetic metadata only and is not a runtime availability or safety check. Prefer it over generic schema validators when the goal is co-occurrence analysis rather than simple field presence checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:47:07.256Z","isFirstParty":false,"canonicalSlug":"tool-schemas-missingness-co-occurrence-analyzer-b541d9c6"}