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Agent skill

Tmux

by openclaw in openclaw/openclaw

Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.

MITAuto-check passed

Install Tmux

skills CLI
$ npx skills add openclaw/openclaw --skill tmux -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install openclaw/openclaw tmux --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/openclaw/openclaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/tmux .claude/skills/tmux && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
tmux
GitHub stars
392k
Used in
2 other repos
Token cost
~640 tokens
SKILL.md length
137 words
Files
3 (incl. scripts)
Skills in repo
93
Repo updated
First seen
Licence
MIT

At a glance

Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.

  • SKILL.md covers Basics, Send input, Sessions and Prompt checks, plus 2 more sections
  • Runs Shell scripts from its folder; calls rg

What it does

Tmux is an agent skill from openclaw/openclaw. Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.

Its SKILL.md is about 640 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including scripts (for example `scripts/find-sessions.sh` and `scripts/wait-for-text.sh`).

It works with tmux. The repository describes itself as: The AI that really does things. Any OS. Any Platform. The lobster way. 🦞. The licence is MIT.

Example prompts

  • “/tmux”

Requirements

  • A Bash shell

What it can do on your machine

Read from SKILL.md and the folder at commit 1eb5970. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 2 files in scripts/ (Shell), which the agent can run.

    Shell commands in SKILL.md call:

    • rg

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Tmux loads about 640 tokens when it runs. Until then it costs about 29 tokens; SKILL.md has 137 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~29
When it runs · the whole SKILL.md, loaded when a task matches
~640

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from openclaw/openclaw at commit 1eb5970, republished under its MIT licence (© openclaw). 137 words, ~640 tokens.

Download SKILL.mdSave it as .claude/skills/tmux/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
tmux
description
Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.

tmux

Use for existing interactive tmux sessions. For one-shot commands, use normal shell. For new non-interactive background jobs, use background execution.

Basics

bash
tmux ls
tmux list-windows -t shared
tmux list-panes -t shared:0
tmux capture-pane -t shared:0.0 -p
tmux capture-pane -t shared:0.0 -p -S -

Target format: session:window.pane, e.g. shared:0.0.

Send input

Literal text, then Enter:

bash
tmux send-keys -t shared:0.0 -l -- "Please continue"
tmux send-keys -t shared:0.0 Enter

Special keys:

bash
tmux send-keys -t shared:0.0 C-c
tmux send-keys -t shared:0.0 C-d
tmux send-keys -t shared:0.0 Escape

Use -l -- for arbitrary text. Split text and Enter to avoid paste/newline surprises.

Sessions

bash
tmux new-session -d -s worker
tmux rename-session -t old new
tmux kill-session -t worker

Prompt checks

bash
tmux capture-pane -t worker-3 -p | tail -20
tmux capture-pane -t worker-3 -p | rg "proceed|permission|Yes|No|❯"

Approve/select only when the prompt is understood:

bash
tmux send-keys -t worker-3 -l -- "y"
tmux send-keys -t worker-3 Enter

Helpers

  • scripts/find-sessions.sh: discover sessions.
  • scripts/wait-for-text.sh: wait until captured pane contents contain text.

wait-for-text.sh searches echoed input and scrollback as well as process output. For command completion, use a unique marker whose full text is split across arguments in the command sent to tmux:

bash
nonce="$(od -An -N8 -tx1 /dev/urandom | tr -d ' \n')"
marker="OPENCLAW_DONE_${nonce}"
tmux send-keys -t shared:0.0 -l -- "sleep 4; printf '%s%s\n' 'OPENCLAW_DONE_' '$nonce'"
tmux send-keys -t shared:0.0 Enter
scripts/wait-for-text.sh -t shared:0.0 -p "$marker" -F -T 30

The echoed command never contains the complete marker, and the nonce prevents an older completion line from matching.

Notes

  • capture-pane -p prints to stdout for scripts.
  • -S - captures full scrollback.
  • tmux sessions persist across SSH disconnects.

© openclaw, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (scripts) in skills/tmux of openclaw/openclaw.

  • SKILL.md
  • scripts/find-sessions.sh
  • scripts/wait-for-text.sh

Open the folder on GitHubat commit 1eb5970

Used in 2 other repositories

We found 4 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in openclaw/openclaw, which our catalogue first saw on October 8, 2026.

Compare with similar skills

Tmux next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Tmux compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Tmux this skillopenclaw/openclaw392k2 repos~640Automated safety check: PassMIT
Codex Plugin QAcode-yeongyu/oh-my-openagent70k1 repos~1.9kAutomated safety check: PassCustom licence
1passwordtrpc-group/trpc-agent-go1.8k15 repos~656Automated safety check: PassApache-2.0
CodeGraph Agent Evalcolbymchenry/codegraph73k—~950Automated safety check: PassMIT
Tmuxtrpc-group/trpc-agent-go1.8k24 repos~868Automated safety check: PassApache-2.0
CodexBar Live QAsteipete/CodexBar22k—~1.2kAutomated safety check: PassMIT

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Works with

Questions about Tmux

What does Tmux do?

Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts. Tmux is an agent skill from openclaw/openclaw. Control tmux sessions/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.

How do I install Tmux in Claude Code?

Run `npx skills add openclaw/openclaw --skill tmux -a claude-code`. Or copy the skill folder (skills/tmux in openclaw/openclaw) into .claude/skills/tmux in your project. Claude Code loads it when a task matches its description.

How do I install Tmux in Codex?

Run `npx skills add openclaw/openclaw --skill tmux -a codex`. Or copy the skill folder (skills/tmux in openclaw/openclaw) into .agents/skills/tmux in your project. Codex loads it when a task matches its description.

Can I use Tmux in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add openclaw/openclaw --skill tmux -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/tmux, .gemini/skills/tmux, .github/skills/tmux and .opencode/skills/tmux in your project.

What does Tmux need to run?

Going by SKILL.md and its folder, Tmux needs a shell for the scripts in its folder and the command-line tools its instructions call (rg). Our summary lists: A Bash shell.

Does Tmux access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Tmux safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Tmux use?

Tmux is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Tmux use?

About 640 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Tmux?

Skills that share tags, products or a category with Tmux: Codex Plugin QA (code-yeongyu/oh-my-openagent, 70k stars), 1password (trpc-group/trpc-agent-go, 1.8k stars), CodeGraph Agent Eval (colbymchenry/codegraph, 73k stars) and Tmux (trpc-group/trpc-agent-go, 1.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tmux?

openclaw (a GitHub organization) maintains it in openclaw/openclaw, which has 391,610 GitHub stars. The repository holds 93 skills in this directory. The repository was last updated on October 8, 2026.

Source: openclaw/openclaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.