Grimoire for ChatGPT

bot.ttrpg/grimoire

Campaign manager for D&D and TTRPG GMs: your AI reads and writes a live typed campaign database.

client:ChatGPT transport:streamable-http

Install Grimoire in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.ttrpg.bot/mcp

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