json schema validator for Claude.ai

io.github.ryuamarines/json-schema-validator

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

client:Claude.ai transport:streamable-http tools:1

Install json schema validator in Claude.ai

Settings → Connectors → Add custom connector

https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

json_schema_validator

json schema validator in other clients

Claude Code
Claude Desktop
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VS Code
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Windsurf
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Gemini CLI
Grok
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json schema validator MCP server