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CTOP monitors the processes of AI coding agents through an interactive terminal viewer.
About ctop
CTOP is an open-source interactive terminal viewer that monitors the processes of AI coding agents. It currently supports Claude Code, Codex CLI, OpenCode, and Devin sessions. For each session it shows CPU use, memory, status, context window usage, token activity, cost estimates, and git branch, in a list view or a card-style pane view.
Users can tail a session's conversation log in a split pane, search conversations in full text, sort and filter sessions, and stop sessions gracefully or forcibly, including several at once. Cost figures are estimates based on Claude and OpenAI pricing, and mouse-based Shift+click selection is best-effort in many terminals. The project is installed through Homebrew, npm, npx, or from source.
Key features
- Monitors Claude Code, Codex CLI, OpenCode, and Devin sessions in one view
- Shows per-session CPU, memory, status, context window, tokens, and branch
- Estimates per-session and aggregate API cost using Claude and OpenAI pricing
- Live log tailing that streams a session's conversation in a split pane
- Full-text conversation search, plus sorting and filtering by CPU, memory, branch, or model
- Stops sessions gracefully or forcibly, with bulk multi-select close
Best for: Developers who run several AI coding agent sessions in a terminal and want to track their resource use and estimated API costs.
Good for
- Open source, with source code published on GitHub
- Covers several AI coding agents in a single terminal view
- Pinned sessions are saved to a local file (~/.ctop/pins.json) and persist across restarts
Watch out for
- Shift+click marking is best-effort, because many terminals reserve Shift+click for their own text selection; the keyboard path works everywhere
- Cost figures are estimates based on Claude and OpenAI pricing
ctop at a glance
- Category
- AI & Machine Learning › AI Coding Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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ctop FAQ
What does CTOP show when no agents are running?
It shows an empty state. A session started in Claude Code, Codex, OpenCode, or Devin appears on the next refresh.
How can CTOP be installed?
It can be installed with Homebrew (brew tap aakashadesara/ctop && brew install ctop-claude), with npm (npm install -g ctop-claude), run without installing using npx (npx ctop-claude), or built from source after cloning the repository.
Can Claude Code sessions learn to use CTOP?
The repository includes a ctop skill that can be copied into a project's .claude/skills folder or into ~/.claude/skills. Once installed, Claude Code sessions can be asked about the other agents that are running.
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