{"uid":"cap_-D_D9zdLRfMKEqUhq8_1x","slug":"change-audit-modelparams-dev-model-json-validator-eba1baa5","name":"Change Audit: modelparams.dev Model JSON Validator","description":"Change audit: modelparams.dev Model: Audit JSON changes and validate before/after for modelparams.dev Model. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.","url":"https://market.datapackvibe.com/x402/assistant-schema-modelparams-dev-model-d43b3955-changes?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"default":{"agent_market_example":true},"description":"JSON value to validate; maximum 100 KB, 32 levels."},"before":{"default":{},"description":"JSON value to validate; maximum 100 KB, 32 levels."}}},"responseSchema":null,"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_5Yodt7H3y4I36XVTBNVPF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits before/after JSON documents for a modelparams.dev Model schema, reporting added/removed/changed paths and introduced/resolved validation errors.","exampleAgentPrompt":"Can you audit the change I made to my modelparams.dev model config — here's the before JSON and the after JSON — and tell me what paths changed, what new validation errors appeared, and what errors got resolved?","exampleUseCases":[{"title":"Pre-commit model config validation","prompt":"Before I commit this update to my modelparams.dev model config, can you compare the old version and the new version and tell me if I've introduced any schema violations or accidentally removed required fields?"},{"title":"Reviewing a teammate's config PR","prompt":"My colleague updated our modelparams.dev model JSON — here's the original and the proposed version. Can you run a change audit and show me everything that was added, removed, or changed, and flag any new validation errors?"},{"title":"Debugging a broken model configuration","prompt":"Our modelparams.dev model stopped working after a config update. Can you compare the last known good JSON and the current broken one and tell me exactly what rule violations were introduced and what paths changed?"}],"resultDescription":"Returns a structured report including JSON pointers for all added, removed, and changed paths between the before and after documents, along with lists of validation errors introduced and resolved relative to the pinned modelparams.dev Model SchemaStore definition, and any rule violations found in either document.","failureModes":["Document exceeds 100 KB limit — request rejected","JSON nesting deeper than 32 levels — parsing refused","Invalid JSON in before or after field — parse error returned","YAML or TOML input provided instead of JSON — not supported","Network or payment processing failure — no result returned"],"whenToPreferThis":"Choose this endpoint when you specifically need to validate JSON documents against the modelparams.dev Model schema and want a diff-style audit of what changed between two versions. It is purpose-built for this schema (using a pinned SchemaStore definition) rather than a generic JSON differ, making it more accurate for modelparams.dev Model compliance checks. Prefer it over generic JSON diff tools when schema rule violations and error delta tracking matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T19:00:18.919Z","isFirstParty":false,"canonicalSlug":"change-audit-modelparams-dev-model-json-validator-eba1baa5"}