validator for ChatGPT

dev.swatchdog/validator

On-demand drift checks: declared CSS color, radius, spacing & type vs your own tokens or a pack

client:ChatGPT transport:streamable-http

Install validator in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://swatchdog-mcp-970396648818.us-central1.run.app/mcp

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