AI & Agent Contracts
Inspect tool definitions and provider compatibility.
Debug contracts, not syntax.
Detect and analyze JSON Schema, AI tool schemas, MCP toolsets and OpenAPI response contracts locally in your browser.
Open Contract WorkbenchExplore contract areas
API Contracts
Check responses against the contracts that describe them.
Schema Contracts
Understand changes between schema versions.
Tools to explore
API Response Validator
Match captured status, Content-Type, and body.
OpenAPI Response Validator
Validate an example against a selected OpenAPI response.
API Contract Drift Checker
Review request and response contract drift.
How the diagnostics work
Directional contract findings distinguish narrower, wider, unknown, and metadata-only changes. Comparison coverage is explicit; no compatibility percentage or SemVer recommendation is inferred.
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