Testdelta MCP Server: Install & Setup

Install Testdelta in Claude Code

npm

Claude Code

claude mcp add testdelta -- npx -y @reneturcios/testdelta

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "testdelta": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/testdelta"
      ]
    }
  }
}

Docker

Claude Code

claude mcp add testdelta -- docker run -i --rm ghcr.io/cloudcorprecords/testdelta:0.1.0

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "testdelta": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/cloudcorprecords/testdelta:0.1.0"
      ]
    }
  }
}

Frequently asked questions

What does the Testdelta MCP server do?

Base-vs-head test result differ: named tests added, removed, and changed, never raw counts.

Is the Testdelta MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Testdelta run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Testdelta to Claude Code?

Run: claude mcp add testdelta -- npx -y @reneturcios/testdelta

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