tmux
Remote control tmux sessions for interactive CLIs (python, node, gdb, etc.) by sending keystrokes and capturing pane output.
What this skill does
# 🚀 tmux Skill
Control tmux sessions programmatically to run interactive terminal applications (REPLs, debuggers, databases) without blocking.
---
## 📋 Quickstart (Easy Way)
Use [LogPilot](https://github.com/jellydn/logpilot) for automatic output capture + AI analysis:
```bash
# Install LogPilot
cargo install logpilot
# Watch your tmux session
logpilot watch mysession --pane mysession:0.0
# Ask AI about what's happening
logpilot ask "What errors appeared?"
logpilot summarize --last 5m
```
Add to Claude Code: `claude mcp add --scope user logpilot -- logpilot mcp-server`
---
## 📋 Manual Control (Raw tmux)
Use isolated sockets to avoid conflicts with personal tmux:
```bash
# Setup socket
export SOCKET="${TMPDIR:-/tmp}/ai-tmux-sockets/agent.sock"
mkdir -p "$(dirname "$SOCKET")"
# Create session and run
SESSION=agent-py
tmux -S "$SOCKET" new -d -s "$SESSION"
tmux -S "$SOCKET" send-keys -t "$SESSION" 'python3 -q' Enter
# Capture output manually
tmux -S "$SOCKET" capture-pane -p -J -t "$SESSION" -S -100
# Cleanup
tmux -S "$SOCKET" kill-session -t "$SESSION"
```
### 📋 Core Commands
| Action | Command |
| -------------- | ---------------------------------------------------- |
| New session | `tmux -S "$SOCKET" new -d -s NAME` |
| Send keys | `tmux -S "$SOCKET" send-keys -t NAME 'cmd' Enter` |
| Send literal | `tmux -S "$SOCKET" send-keys -t NAME -l 'text'` |
| Capture output | `tmux -S "$SOCKET" capture-pane -p -J -t NAME -S -N` |
| List sessions | `tmux -S "$SOCKET" list-sessions` |
| Kill session | `tmux -S "$SOCKET" kill-session -t NAME` |
**Control keys**: `C-c` (SIGINT), `C-d` (EOF), `C-z` (suspend), `Escape`
---
## 📋 Interactive Recipes
### 🔁 Python REPL
```bash
SESSION=agent-py
SOCKET="${TMPDIR:-/tmp}/ai-tmux-sockets/agent.sock"
tmux -S "$SOCKET" new -d -s "$SESSION"
tmux -S "$SOCKET" send-keys -t "$SESSION" 'PYTHON_BASIC_REPL=1 python3 -q' Enter
sleep 1
tmux -S "$SOCKET" send-keys -t "$SESSION" -l 'print(2+2)'
tmux -S "$SOCKET" send-keys -t "$SESSION" Enter
tmux -S "$SOCKET" capture-pane -p -J -t "$SESSION" -S -10
tmux -S "$SOCKET" kill-session -t "$SESSION"
```
### 🔁 GDB Debugger
```bash
SESSION=agent-gdb
SOCKET="${TMPDIR:-/tmp}/ai-tmux-sockets/agent.sock"
tmux -S "$SOCKET" new -d -s "$SESSION"
tmux -S "$SOCKET" send-keys -t "$SESSION" 'gdb --quiet ./program' Enter
tmux -S "$SOCKET" send-keys -t "$SESSION" 'set pagination off' Enter
tmux -S "$SOCKET" send-keys -t "$SESSION" 'run' Enter
# ... later ...
tmux -S "$SOCKET" send-keys -t "$SESSION" C-c
tmux -S "$SOCKET" send-keys -t "$SESSION" 'bt' Enter
tmux -S "$SOCKET" send-keys -t "$SESSION" 'quit' Enter 'y' Enter
```
### Node.js / psql / etc.
Same pattern: `new` → `send-keys` → `capture-pane` → `kill-session`
---
## 📋 LogPilot Reference
| Task | Command |
| ------------- | --------------------------------------- |
| Watch session | `logpilot watch SESSION` |
| Watch pane | `logpilot watch SESSION --pane TARGET` |
| AI summary | `logpilot summarize --last 10m` |
| Ask question | `logpilot ask "Why is it failing?"` |
| With logs | `logpilot ask "Explain" --include-logs` |
| Status | `logpilot status` |
### MCP Setup
```json
{
"mcpServers": {
"logpilot": {
"command": "logpilot",
"args": ["mcp-server"]
}
}
}
```
Or: `claude mcp add --scope user --transport stdio logpilot -- logpilot mcp-server`
---
## 🎨 Best Practices
1. **Use LogPilot** — easiest way to capture and analyze output
2. **Always use `-S "$SOCKET"`** — prevents conflicts with user tmux
3. **Use `-l` flag** — literal text, no shell expansion issues
4. **`PYTHON_BASIC_REPL=1`** — required for interactive Python
5. **Kill sessions when done** — prevents resource leaks
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