JSON Validator API for ChatGPT

io.github.br0ski777/json-validator

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

client:ChatGPT transport:sse

Install JSON Validator API in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://json-validator.api.klymax402.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs