agentmods.dev

tmux

A tool for controlling tmux, which keeps terminal sessions running and lets you interact with command-line programs remotely.

In plain words
What is it for?
Use it to start and monitor interactive command-line sessions, send input to running programs, inspect terminal panes, and find existing tmux sessions.
Why use it?
It lets an agent send keystrokes and read terminal output when a task needs an interactive terminal, such as a live command prompt.

Skill for Claude CodeCodex

5 1mo ago A scan 22 tokens copy · 100% MIT
View the source file render-examples/nanobot-render
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/render-examples/nanobot-render/tmux
Any agent
npx skills add render-examples/nanobot-render --skill tmux
Clone the repo
git clone --depth 1 https://github.com/render-examples/nanobot-render

Made for: Claude Code, Codex.

Per session 22 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,278 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00022 $0.01278
Opus 5 $0.00011 $0.00639
Sonnet 5 $0.00004 $0.00256
Haiku 4.5 $0.00002 $0.00128

Measured 2d ago against content hash 906a130fb461, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

tmux scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/find-sessions.sh, scripts/wait-for-text.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to tmux — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

nanobot/skills/tmux/SKILL.md · 122 lines

How it starts

The opening of the file, as written. The whole thing — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.

tmux Skill

Use tmux only when you need an interactive TTY. Prefer exec background mode for long-running, non-interactive tasks.

Quickstart (isolated socket, exec tool)

SOCKET_DIR="${NANOBOT_TMUX_SOCKET_DIR:-${TMPDIR:-/tmp}/nanobot-tmux-sockets}"
mkdir -p "$SOCKET_DIR"
SOCKET="$SOCKET_DIR/nanobot.sock"
SESSION=nanobot-python

tmux -S "$SOCKET" new -d -s "$SESSION" -n shell
tmux -S "$SOCKET" send-keys -t "$SESSION":0.0 -- 'PYTHON_BASIC_REPL=1 python3 -q' Enter
tmux -S "$SOCKET" capture-pane -p -J -t "$SESSION":0.0 -S -200

After starting a session, always print monitor commands:

To monitor:
  tmux -S "$SOCKET" attach -t "$SESSION"
  tmux -S "$SOCKET" capture-pane -p -J -t "$SESSION":0.0 -S -200

Socket convention

  • Use NANOBOT_TMUX_SOCKET_DIR environment variable.
  • Default socket path: "$NANOBOT_TMUX_SOCKET_DIR/nanobot.sock".

Targeting panes and naming

  • Target format: session:window.pane (defaults to :0.0).
  • Keep names short; avoid spaces.
  • Inspect: tmux -S "$SOCKET" list-sessions, tmux -S "$SOCKET" list-panes -a.

Finding sessions

  • List sessions on your socket: {baseDir}/scripts/find-sessions.sh -S "$SOCKET".
  • Scan all sockets: {baseDir}/scripts/find-sessions.sh --all (uses NANOBOT_TMUX_SOCKET_DIR).

Sending input safely

  • Prefer literal sends: tmux -S "$SOCKET" send-keys -t target -l -- "$cmd".
  • Control keys: tmux -S "$SOCKET" send-keys -t target C-c.

Watching output

  • Capture recent history: tmux -S "$SOCKET" capture-pane -p -J -t target -S -200.
  • Wait for prompts: {baseDir}/scripts/wait-for-text.sh -t session:0.0 -p 'pattern'.
  • Attaching is OK; detach with Ctrl+b d.

Spawning processes

  • For python REPLs, set PYTHON_BASIC_REPL=1 (non-basic REPL breaks send-keys flows).

Windows / WSL

  • tmux is supported on macOS/Linux. On Windows, use WSL and install tmux inside WSL.
  • This skill is gated to darwin/linux and requires tmux on PATH.

Orchestrating Coding Agents (Codex, Claude Code)

Read the full file on GitHub · 122 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 122 lines · 22 tokens per session scan A 906a130fb461

Subscribe to this mod's changes

tmux is a skill published in the GitHub repository render-examples/nanobot-render (5 stars, last pushed 1mo ago), licensed MIT. It adds 22 tokens to every session and 1,278 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to tmux, differing in 0 lines, and is treated as a copy.

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