Terminal MCP Server MCP Server

MCP server for AI agents to interact with terminal applications. Think Playwright for terminals.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

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Published as mcp-server-terminal on npm. Runs locally.

Known issues

131 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

Most discussed

[Bug] Error: MCP error -32603: Failed to wait for condition: PTY error: Tmux session 'terminal-mcp-d83406bb-ac21-4af5-b0a0-1f9209716f41' no longer exists

Describe the bug

Error: MCP error -32603: Failed to wait for condition: PTY error: Tmux session 'terminal-mcp-d83406bb-ac21-4af5-b0a0-1f9209716f41' no longer exists

how to fix it? i see it too ofter

Steps to reproduce

claude add mcp terminal-mcp -- npx -y terminal-server-mcp

claude -p "use terminal-mcp to figure out with bug ... , run it in the loop until bug will not fix

Expected behavior

i expected no errors here

Actual behavior

`Error: MCP error -32603: Failed

Read the thread · 2025-12-26 · closed · external user · 2 comments

[Bug] libc 2.39 not found after `npx -y` on ubuntu 22.04

Describe the bug

npx -y mcp-server-terminal@latest

/home/slach/.cache/mcp-server-terminal/terminal-mcp: /lib/x86_64-linux-gnu/libc.so.6: version 'GLIBC_2.39' not found (required by /home/slach/.cache/mcp-server-terminal/terminal-mcp)

looks like latest package just doesn't work cause you require newer libc from your rust binary

ubuntu 22.04 have only libc 2.35

could we make fully static binary in rust without libc denedency?

Steps to reproduce

`npx -y mcp-server-terminal@lates

Read the thread · 2025-12-26 · closed · external user · 2 comments

[Bug][Emulator][General][P0] - Alt-screen buffer updates not captured in visual mode

Summary

In visual mode (tmux), terminal snapshots capture the initial render of applications using alternate screen buffers (via CSI ?1049h), but fail to reflect any dynamic updates after user interactions.

Steps to Reproduce

Create visual terminal session with TUI application that uses alt-screen:

{
  "command": "vim",
  "visual": true,
  "dimensions": {"rows": 30, "cols": 100}
}

Take initial snapshot:

terminal_snapshot({"session_id": "..."})

**Re

Read the thread · 2025-12-07 · closed · 2 comments

[Enabler][Schema][Gemini][P1] - Add JSON Schema transformation layer for AI client compatibility

Summary

Technical foundation work to transform schemars-generated JSON Schema (draft-2020-12) into formats compatible with various AI clients, starting with Gemini CLI.

Motivation

The schemars crate generates JSON Schema using draft-2020-12 features that some AI clients don't support:

$defs instead of definitions
anyOf with nullable: true patterns
Complex nested references

Gemini CLI fails with errors like:

Error: Invalid JSON schema for tool terminal_session_create

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/129) · 2025-12-06 · closed · 2 comments

### [Test] Input Tools - terminal_type and terminal_press_key Navigation

## Epic
Epic: Comprehensive MCP Tools Testing with ffice TUI

## Description
Test `terminal_type` and `terminal_press_key` tools for reliable keyboard interaction with ffice TUI application including text entry, navigation, function keys, and control sequences.

**Test Application**: `/mnt/d/Projects/ffice-suite/epic-ff-ice-r1-flight-filing-service/ffice-bridge/ffice-tui/bin/ffice`

## Acceptance Criteria
- [ ] Text entry: Characters appear correctly in input fields
- [ ] Special characters: Spa

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/114) · 2025-12-03 · closed · 2 comments

### Most recent

### [Task][Documentation][Windows][P3] - Windows testing and documentation

## Summary

Test terminal-mcp on Windows and update documentation with Windows-specific instructions.

## Parent Epic

#147 - Full Windows Support

## Testing Plan

### Manual Testing Checklist

- [ ] Install via npm on Windows
- [ ] Run `terminal-mcp --headless` 
- [ ] Test with Claude Desktop on Windows
- [ ] Test with Gemini CLI on Windows
- [ ] Test TUI apps: htop equivalent, vim, etc.
- [ ] Test Go TUI apps (Bubble Tea)
- [ ] Test Python TUI apps (Textual, Rich)

### Test Scenarios

1. **He

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/151) · 2025-12-18 · open · 1 comment

### [Task][Platform][Windows][P1] - Basic Windows compilation fix

## Summary

Add platform guards to enable Windows compilation. Currently blocked by Unix-specific `libc::kill` call.

## Parent Epic

#147 - Full Windows Support

## Problem

```rust
// session.rs:480 - Unix only!
unsafe {
    libc::kill(handle.pid as i32, libc::SIGTERM);
}

Solution

1. Platform-specific process termination

#[cfg(unix)]
fn kill_process(pid: u32) {
    unsafe { libc::kill(pid as i32, libc::SIGTERM); }
}

#[cfg(windows)]
fn kill_process(pid: u32) {
    use std

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/148) · 2025-12-18 · closed · 1 comment

### [Epic][Platform][Windows][P2] - Full Windows Support

## Summary

Epic tracking issue for full Windows platform support. This enables Windows developers to use terminal-mcp for TUI/CLI application debugging and automation.

## Motivation

- Windows is a major development platform
- Many TUI applications (Go, Rust, Python) run on Windows
- Current codebase uses Unix-specific APIs (`libc::kill`, `tmux`)

## Current State

| Component | Status |
|-----------|--------|
| PTY handling (`portable-pty`) | ✅ Cross-platform |
| Visual terminal implementatio

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/147) · 2025-12-18 · open · 1 comment

### [Feature] windows support

### Problem description

Thanks for really great project. Could you add support Windows for your project?

### Proposed solution

Hope current rust implementation allow to add support windows

### Alternatives considered

_No response_

### Use case

I developed some TUI applications in golang and would like to debug them with code agents under Windows.

### Would you be willing to contribute?

None

### Additional context

_No response_

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/146) · 2025-12-14 · open · external user · 1 comment

### [Bug][Schema][Gemini][P1] - Missing $schema field transformation causes Gemini rejection

## Summary
Gemini CLI rejects terminal-mcp tool schemas with error: `no schema with key or ref "https://json-schema.org/draft/2020-12/schema"`. The schema transformation layer transforms `$defs` and `anyOf` patterns but does NOT update the `$schema` field itself from draft-2020-12 to draft-07.

## Steps to Reproduce
1. Install terminal-mcp v1.0.3 via npm
2. Configure Gemini CLI to use terminal-mcp
3. Try to invoke `terminal_session_create` tool
4. Observe schema validation errors

## Expected Be

[Read the thread](https://github.com/aybelatchane/mcp-server-terminal/issues/145) · 2025-12-10 · closed · 1 comment

### [Bug][Session][General][P1] - Visual mode session creation fails after first session closed

## Summary
Creating terminal sessions with `visual: true` fails intermittently after the first session is closed, making iterative testing workflows impossible.

## Steps to Reproduce

**Attempt 1** - Initial Session (SUCCESS):
```json
terminal_session_create({
  "command": "bash",
  "visual": true,
  "dimensions": {"rows": 30, "cols": 100}
})

// Response:
{
  "session_id": "8ef1cadb-4b85-40f2-af78-74901841800a",
  "message": "Session created successfully"
}

✅ Session works correctly

**Clo

Read the thread · 2025-12-07 · closed · 1 comment

[Bug][Detector][General][P3] - Snapshot elements detection produces false positives

Summary

The snapshot elements array incorrectly identifies UI elements. Git branch indicators are detected as "buttons", and random text is detected as "progress bars".

Steps to Reproduce

Open a terminal with a git repository prompt showing branch name (e.g., user@host:/path(main)$)
Take a snapshot with terminal_snapshot
Examine the elements array in the response

Expected Behavior

Elements should accurately represent interactive UI components:

Buttons should be clic

Read the thread · 2025-12-07 · closed · 1 comment

See all 21 reports Pod holds for Terminal MCP Server — of 131 qualified upstream.

Firsthand observations

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Terminal MCP Server MCP Server

Status

Connect

Known issues

Most discussed

[Bug] Error: MCP error -32603: Failed to wait for condition: PTY error: Tmux session 'terminal-mcp-d83406bb-ac21-4af5-b0a0-1f9209716f41' no longer exists

Describe the bug

Steps to reproduce

Expected behavior

Actual behavior

[Bug] libc 2.39 not found after npx -y on ubuntu 22.04

Describe the bug

Steps to reproduce

[Bug][Emulator][General][P0] - Alt-screen buffer updates not captured in visual mode

Summary

Steps to Reproduce

[Enabler][Schema][Gemini][P1] - Add JSON Schema transformation layer for AI client compatibility

Summary

Motivation

Solution

1. Platform-specific process termination

[Bug][Detector][General][P3] - Snapshot elements detection produces false positives

Summary

Steps to Reproduce

Expected Behavior

Firsthand observations

Related servers

For agents

[Bug] libc 2.39 not found after `npx -y` on ubuntu 22.04