Mergewarden MCP Server

See which pull requests need context before code review. thin descriptions, skipped templates, and oversized changes. No login. No AI. It runs locally over stdio via the published package.

People connecting developer tools tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-22 · ★ 14 · #47 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Mergewarden

before you install - you'll need

GH_TOKEN

Environment variables documented in the project's README - it lists which are required and which have defaults.

Claude Code

claude mcp add sjh9714-mergewarden -- npx -y mergewarden-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "sjh9714-mergewarden": {
      "command": "npx",
      "args": [
        "-y",
        "mergewarden-mcp"
      ]
    }
  }
}

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

license MIT - declared in the repository

npm package mergewarden-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.sjh9714 is GitHub-verified and matches the repo owner

03 · What Mergewarden can do

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

Latest releases

v0.10.4 · 2026-08-21

mergewarden demo now starts with one quiet CLAUDE.md instruction change and one agent-control-plane/drift finding. · The previous demo packed workflow, dependency, contract, and triage findings into one first run. The…

v0.10.3 · 2026-08-06

Released 2026-08-06. · A documentation release. No behaviour changed. · Why it needed a version number · npm packages are immutable, and the GitHub Marketplace listing reads its · description from action.yml at the…

v0.10.2 · 2026-08-06

Released 2026-08-06. · A bug fix for the command this project tells people to run first. · What was wrong · Run against a public repository with no token, triage printed this: · 20 open pull request(s) read. 14 have…

04 · Who maintains Mergewarden

mergewarden is maintained by sjh9714. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

category
developer tools - ranked #47 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence
10+ releases in the last 90 days (latest 2026-08-21)
registry
io.github.sjh9714/mergewarden (active, first published 2026-07-29 · 2 versions)
packages
npm:mergewarden-mcp

06 · Mergewarden FAQ

What is Mergewarden?

See which pull requests need context before code review. thin descriptions, skipped templates, and oversized changes. No login. No AI. It runs locally over stdio via the published package.

Is Mergewarden still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-22 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Mergewarden?

Run `npx -y mergewarden-mcp`. The README documents one environment variable (GH_TOKEN) to set first. You can also paste the ready-made client config above.

Does Mergewarden run locally?

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

07 · Alternatives to Mergewarden

More developer tools MCP servers · Sounio Compiler · Edict · Lumino MCP Server · Diffgate · Storybook MCP Addon

More TypeScript MCP servers · Ncloud · Rekindle · Federal Compass MCP · Leclerc Drive · Cellar Tracker · see all