classifier.dev for ChatGPT
dev.classifier/classifier
Sort up to 1,000 texts into your own labels with a calibrated confidence per answer. No API key.
client:ChatGPT
transport:streamable-http
tools:5
Install classifier.dev in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://classifier.dev/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs