textkit (paid) for ChatGPT

dev.workers.johnaio281.textkit/textkit

Text and Unicode utilities for agents: homoglyphs, scripts, slugify, entropy, dates. Paid via x402.

client:ChatGPT transport:streamable-http tools:12

Install textkit (paid) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://textkit.johnaio281.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