This server validates JSON syntax, checks documents against JSON Schema, and returns structure statistics. It runs as a remote service over SSE and implements x402 micropayments, so you'll pay per validation request. The GitHub repo shows it's built in TypeScript but doesn't include much documentation or examples yet. Reach for this when you need programmatic JSON validation with schema enforcement and don't want to run validation logic locally. The micropayment model means you're trading cost predictability for zero infrastructure setup. If you're validating user input, API responses, or config files at scale, test the pricing model carefully before committing.
claude mcp add --transport sse io.github.br0ski777-json-validator https://json-validator.api.klymax402.com/mcp