Connect Codex to Amazing Marvin
Set up in minutes
Choose where it runs
On your computer through your own Codex, or hosted in the cloud. The rest of setup adapts to your choice:
Pick what it can do in Amazing Marvin
A preset of real Amazing Marvin operations. Each one becomes a tool the agent can call, and it can't touch anything outside the list.
Connect Amazing Marvin
One sign-in. The agent acts through your account, scoped to the operations you picked.
Add your personal MCP link
The last step mints a private MCP URL for this agent and walks you through exactly this, with your real link filled in. The page flips to Connected the moment your Codex first calls in. Codex connects when a session starts — run codex, or restart a running one (in the Codex app, Restart).
Run this in your terminal. The Codex app shares its config, so it gets the server too
<your-link> is your personal server URL — setup mints it for you.
Tools Codex gets
Amazing Marvin
19 toolsCreate a task, optionally resolving title shortcuts like +today and @label.
Mark a task done. Some client-side completion effects are not implemented by the API.
Create a project in the master list.
Create an event. Calendar sync happens in the Marvin client.
Read the task currently being tracked.
Read direct open child tasks/projects; descendants require separate calls.
Read tasks/projects scheduled for a date, including enabled rollover rules.
Read open tasks/projects due on or before a date.
Read time blocks for a date.
Read the account's categories.
Read the account's labels in their sort order.
Start or stop a task's timer. The API does not update cached task duration/times; reconcile those separately in Marvin.
Read authoritative time-track data for up to 100 tasks.
Read Kudos level and remaining points.
Read account information.
Read all goals.
Record a habit value and update its synced document (experimental).
Read a habit including its history (experimental).
Read habits with history; raw full-access mode is not requested (experimental).
About Codex
Frequently asked questions
More ways to connect
More tools for Codex
Use Amazing Marvin with other agents
Open your Codex agent in one click.
NoClick runs Codex for you with Amazing Marvin wired in as tools. Connect your account and run.