TBD is an open-source Mac tool for managing coding agents
TBD is an open-source Mac tool for managing multiple . It has a visual app, but its main rule is that every action available in the app must also be available through the . That makes it easier to automate work or let agents control the tool themselves.
It is meant to work well with tools like agent-channels when agents in different worktrees need to talk to each other. The tool grew out of long daily use of Conductor, where small unresolved problems became hard to tolerate in such a central . dmux, claude-squad, and agent-deck were also tested, but heavy use and tmux-style workflows did not fit the need.
TBD started in March 2026 and has become stable enough that several current and former colleagues now use it as their daily tool.
Key points
- TBD is an open-source Mac tool for managing multiple .
- Its key design rule is that every app action must also work from the .
- It is built for automation and multi-agent coding workflows.
- It was inspired by Conductor, dmux, claude-squad, agent-deck, and Git Tower.
- It began in March 2026 and is already used daily by a small group of users.