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Calyx

A terminal built on Ghostty for supervising several coding agents at once, with one approval inbox and diff reviews.

MIT · Downloads from github.com

License
MIT
Open source
Category
Developer tools
Source
GitHub
yuuichieguchi
Verified
2026

About Calyx

Calyx is a terminal aimed at running coding agents such as Claude Code, Codex and OpenCode side by side. A sidebar shows which agent is working, blocked or finished, permission prompts from every pane collect in a single approval panel, and an overview lays all panes out as cards.

A Git sidebar shows working changes and history, and comments left on individual diff lines can be sent to an agent as a review. Agents can in turn inspect panes, command output and each other through MCP and a bundled CLI. The project states that Calyx requires macOS 26 on Apple silicon; it is available from GitHub releases or as a Homebrew cask.

Information

Source code
yuuichieguchi/Calyx
License
MIT
Website
getcalyx.app
Download
github.com
Category
Developer tools
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