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Agent skill

Tmux CLI

by pchalasani in pchalasani/claude-code-tools

CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes.

MITAuto-check passed

Install Tmux CLI

skills CLI
$ npx skills add pchalasani/claude-code-tools --skill tmux-cli -a claude-code

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

GitHub CLI
$ gh skill install pchalasani/claude-code-tools tmux-cli --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/pchalasani/claude-code-tools.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/tmux-cli/skills/tmux-cli .claude/skills/tmux-cli && 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-cli
GitHub stars
2k
Token cost
~324 tokens
SKILL.md length
125 words
Files
1
Skills in repo
17
Repo updated
First seen
Licence
MIT

At a glance

CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes.

  • Asks you to communicate with other CLI Agents
  • SKILL.md covers Instructions and Key Commands
  • Calls uv
  • Scripts in other tmux panes

What it does

Tmux CLI is an agent skill from pchalasani/claude-code-tools. CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes.

Its SKILL.md is about 320 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with tmux. The repository describes itself as: Practical productivity tools for Claude Code, Codex-CLI, and similar CLI coding agents. The licence is MIT.

When your agent uses it

  • Asks you to communicate with other CLI Agents
  • Scripts in other tmux panes

Example prompts

  • “/tmux-cli”

Requirements

  • Node.js

What it can do on your machine

Read from SKILL.md and the folder at commit 0ca7320. 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

    Shell commands in SKILL.md call:

    • uv

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

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    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 CLI loads about 324 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 125 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~47
When it runs · the whole SKILL.md, loaded when a task matches
~324

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); files beside SKILL.md are not scanned.

SKILL.md

The full file from pchalasani/claude-code-tools at commit 0ca7320, republished under its MIT licence (© pchalasani). 125 words, ~324 tokens.

Download SKILL.mdSave it as .claude/skills/tmux-cli/SKILL.md (or your agent's skills folder).
name
tmux-cli
description
CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes.

tmux-cli

Instructions

Use the tmux-cli command to communicate with other CLI Agents or Scripts in other tmux panes. Do tmux-cli --help to see how to use it!

This command depends on installing the claude-code-tools. If you get an error indicating that the command is not available, ask the user to install it using: uv tool install claude-code-tools.

Key Commands

Execute with Exit Code Detection

Use tmux-cli execute when you need to know if a shell command succeeded or failed:

bash
tmux-cli execute "make test" --pane=2
# Returns JSON: {"output": "...", "exit_code": 0}

tmux-cli execute "npm install" --pane=ops:1.3 --timeout=60
# Returns exit_code=0 on success, non-zero on failure, -1 on timeout

This is useful for:

  • Running builds and knowing if they passed
  • Running tests and detecting pass/fail
  • Multi-step automation that should abort on failure

Note: execute is for shell commands only, not for agent-to-agent chat. For communicating with another Claude Code instance, use send + wait_idle + capture instead.

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

Files

Just SKILL.md in plugins/tmux-cli/skills/tmux-cli of pchalasani/claude-code-tools.

Open the folder on GitHubat commit 0ca7320

Compare with similar skills

Tmux CLI 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 CLI compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Tmux CLI this skillpchalasani/claude-code-tools2k—~324Automated safety check: PassMIT
1passwordtrpc-group/trpc-agent-go1.8k13 repos~656Automated safety check: PassApache-2.0
CodeGraph Agent Evalcolbymchenry/codegraph73k—~950Automated safety check: PassMIT
Tmuxtrpc-group/trpc-agent-go1.8k23 repos~868Automated safety check: PassApache-2.0
CodexBar Live QAsteipete/CodexBar22k—~1.2kAutomated safety check: PassMIT
Agent Feature ReproductionQwenLM/qwen-code28k—~1.5kAutomated safety check: PassApache-2.0

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Works with

Questions about Tmux CLI

What does Tmux CLI do?

CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes. Tmux CLI is an agent skill from pchalasani/claude-code-tools. CLI utility to communicate with other CLI Agents or Scripts in other tmux panes; use it only when user asks you to communicate with other CLI Agents or Scripts in other tmux panes.

When should I use Tmux CLI?

Tmux CLI fits situations like: asks you to communicate with other CLI Agents; scripts in other tmux panes.

How do I install Tmux CLI in Claude Code?

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

How do I install Tmux CLI in Codex?

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

Can I use Tmux CLI 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 pchalasani/claude-code-tools --skill tmux-cli -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-cli, .gemini/skills/tmux-cli, .github/skills/tmux-cli and .opencode/skills/tmux-cli in your project.

What does Tmux CLI need to run?

Going by SKILL.md and its folder, Tmux CLI needs the command-line tools its instructions call (uv). Our summary lists: Node.js.

Does Tmux CLI access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Tmux CLI 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. Review the folder before installing.

What licence does Tmux CLI use?

Tmux CLI 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 CLI use?

About 324 tokens (SKILL.md is roughly 1.3k 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 CLI?

Skills that share tags, products or a category with Tmux CLI: 1password (trpc-group/trpc-agent-go, 1.8k stars), CodeGraph Agent Eval (colbymchenry/codegraph, 73k stars), Tmux (trpc-group/trpc-agent-go, 1.8k stars) and CodexBar Live QA (steipete/CodexBar, 22k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tmux CLI?

pchalasani (a GitHub user) maintains it in pchalasani/claude-code-tools, which has 2,009 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 5, 2026.

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