ELYREON JSON Schema Payload Validator for ChatGPT

co.com.elyraon/payload-validator

JSON Schema validator for API payloads via MCP: bounded checks and structured pass/fail errors.

client:ChatGPT transport:streamable-http

Install ELYREON JSON Schema Payload Validator in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://elyreon-payload-validator.colt2822.workers.dev/mcp

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