Mergetrain MCP Server

Parallel agents need a serial integration spine. Let agents code in parallel. Let one train prove and ship the result. It runs locally over stdio via the published package.

People connecting coding agent tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-11 · ★ 2 · #91 OF 194 MAINTAINED CODING AGENT · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Mergetrain

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add yongjip-mergetrain -- uvx mergetrain

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "yongjip-mergetrain": {
      "command": "uvx",
      "args": [
        "mergetrain"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

repo age created 2026-06-28 - young repo, little track record yet

license MIT - declared in the repository

pypi package mergetrain - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.yongjip is GitHub-verified and matches the repo owner

03 · What Mergetrain can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.2.0 · 2026-07-29

v1.1.0 · 2026-07-29

stop crashing on plain mergetrain stats

v0.9.1 · 2026-07-26

04 · Who maintains Mergetrain

Mergetrain is maintained by yongjip. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/yongjip/mergetrain
website: https://github.com/yongjip/mergetrain
category: coding agent - ranked #91 of 194 actively-maintained coding agent servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-07-29)
registry: io.github.yongjip/mergetrain (active, first published 2026-07-29)
packages: pypi:mergetrain

06 · Mergetrain FAQ

What is Mergetrain?

Parallel agents need a serial integration spine. Let agents code in parallel. Let one train prove and ship the result. It runs locally over stdio via the published package.

Is Mergetrain still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-11 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Mergetrain?

Run `uvx mergetrain`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Mergetrain run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Mergetrain

Alternatives to Mergetrain

Maintained coding agent servers if Mergetrain isn't the fit.

Pairs well with

Servers that cover what Mergetrain doesn't - only shown when the pairing reason fits the companion.

More coding agent MCP servers · Koncept MCP Server · Jules Dispatch · Draw2agent · Seamless · A2 CR

More Python MCP servers · Creator SEO MCP · AI-First Scraper · DB Connect MCP · ITASCA MCP Server · YADE MCP Server · see all