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How to add Todoist reminders and control Home Assistant by chat with Jev Chat

Connect Todoist and Home Assistant so one chat bar can add reminders and switch devices.

Credentials. The Todoist key and Home Assistant token give the app access to your task list and home devices, so keep the .env file private.

Who it is forA person who runs Home Assistant and uses Todoist, and wants to add a reminder or switch a light from one typed message.

The problemSwitching between task apps and home control panels breaks flow, and voice assistants are not always at hand.

The outcomeA chat bar that adds a Todoist task from a typed reminder and changes a Home Assistant device after a confirm step.

What you need first

  • Node 24 or later and pnpm 11 (run corepack enable to pick up the pinned version)
  • A TypeSafe API key in TYPESAFE_API_KEY, since Jev is a paid API and the app shows error replies without it
  • A terminal and a local browser on the same machine, because the API only listens on 127.0.0.1

Steps

  1. Run cp .env.example .env and set TYPESAFE_API_KEY, TODOIST_API_KEY, HASS_URL and HASS_TOKEN in the new file.
  2. Enable the MCP Server integration in Home Assistant, which the README places at /api/mcp.
  3. Run pnpm tools:list to confirm the Todoist and Home Assistant servers expose their tools.
  4. Run pnpm dev and open http://localhost:5173.
  5. Type "Remind me to renew my passport tomorrow", then "Turn off the kitchen lights", and answer the confirm card before the light changes.

Prompt for your agent

In the jev-chat repo, set TYPESAFE_API_KEY, TODOIST_API_KEY, HASS_URL and HASS_TOKEN in .env to values from <your-accounts>, then run pnpm tools:list. Expected output is the tools each connected server exposes. Verify that the Home Assistant server is listed before sending a light command.

Caveat. Servers without a key show as "no key" in the sidebar, and a Home Assistant command acts on real devices only after the confirm step.

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