utility grid for ChatGPT

link.obfus/utility-grid

31 deterministic tools: JSON→Zod, regex, JWT, curl→fetch, hashing, encoding, UUIDs, encrypted links

client:ChatGPT transport:streamable-http

Install utility grid in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://obfus.link/mcp

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