io.github.fr1sk/tmux-mcp
tmux-mcp
Is the tmux- MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
MCP server for tmux — browse sessions, capture output, send commands.
alive probed 2026-11-15 · unchanged since 2026-10-30
14tools
3.3ktokens in Claude Opus 5.5
1.7 %of Claude's 200k window
1.3×the median server
321 msto initialize
35 msto list tools
- Run it
- npx -y @fr1sk/tmux-mcp@0.3.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- tmux-mcp 0.3.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.3k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 3.5k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/fr1sk/tmux-mcp.git
- Registry
- active, updated 2026-04-17 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| send_keys | 509 | 304 | 15 % |
| capture_pane | 385 | 230 | 12 % |
| split_pane | 373 | 223 | 11 % |
| list_sessions | 251 | 150 | 8 % |
| list_panes | 243 | 145 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.fr0ster/mcp-abap-adt-http-ro · not probed
- io.github.fr0ster/mcp-abap-adt-ro · needs env
- io.github.fr0ster/mcp-abap-adt-sse · not probed
- io.github.fr0ster/mcp-abap-adt-sse-ro · not probed
- Agentry.sh Observability io.github.fr33dr4g0n/agentry-observability · alive
- io.github.francesco0242/matchcn · alive
- IAF Agent Bridge io.github.francescoveryra-dot/iaf-agent-bridge · alive
- io.github.frangelbarrera/osint-agent-skills · alive
Servers that mention tmux.
- reevesagents io.github.mertkayacs/reevesagents · alive
- io.github.kitepon-rgb/aiterm-mcp · alive
- Hex SSH io.github.levnikolaevich/hex-ssh-mcp · alive
- io.github.sanchirico/camacho-mcp · alive
- io.github.k8ika0s/mcp-tmux · alive
- chatmux io.github.echoedinvoker/chatmux · not probed
- tmux io.github.libtmux/libtmux-mcp · not probed
- tmux io.github.libtmux/tmux-mcp-go · not probed
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.