JSON Schema Test Suite
Radar: Initial
MIT
The language-agnostic conformance suite every JSON Schema implementation is measured against — the tests that decide whether a validator is actually correct.
JSON Schema
Specifications it implements
What this tool does to each specification, in the role vocabulary. Follow a standard through to standards.apievangelist.com for what it actually specifies.
| Standard | Role | What that means |
|---|---|---|
| JSON Schema | tests |
The language-agnostic conformance suite every implementation is measured against. |
Using this from an agent
- Interfaces
library- Consumes
- json-schema
- Emits
- json
- Runtime
- Runs offline Deterministic Read-only No credentials
Where it applies
Jobs this tool actually does, and the surface each one is exercised on.
Verify a validator's dialect claims rather than trusting its README.
coding-agent
Test a new or modified JSON Schema implementation against the same bar as everyone else.
ci-pipeline
- Website
- https://github.com/json-schema-org/JSON-Schema-Test-Suite
- Repository
- https://github.com/json-schema-org/JSON-Schema-Test-Suite
- License
- MIT — reported by the GitHub API, verified 2026-09-17
- Stars
- 750 · last commit 2026-09-16
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structured data at
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All tools by adoption
/tools.json,
against the tool.schema.json
schema, using the roles.json
vocabulary. Start at /llms.txt.