Linear

Auth: OAuth + dynamic client registration — no client id/secret env vars required.

MCP: https://mcp.linear.app/mcp

Connect

1. Open /tools → Linear
2. Click Connect and complete the provider sign-in
3. Enable the app for your chat (Agent mode)
4. Disconnect when you want to revoke the grant in Brain

Callback URL

Register (or allow) Menu Connect callback:

{BRAIN_PUBLIC_URL}/api/connections/linear/callback

Use your real origin (not localhost) in production. Mid-turn auth may print an exact redirect URI under .eve/.

Docs: Linear MCP.