Create a Custom Server MCP Server

Get started building your own server to use in Claude for Desktop and other clients.

Local serverstdio

What is the Create a Custom Server MCP Server?

Create a Custom Server is an MCP project maintained in the justvarunsai/create-mcp-server repository. The maintainer describes its purpose as “Get started building your own server to use in Claude for Desktop and other clients”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using uv. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
add
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How to install the Create a Custom Server MCP Server

{
  "mcpServers": {
    "calculator": {
      "command": "uv",
      "args": [
        "--directory",
        "/ABSOLUTE/PATH/TO/PARENT/FOLDER/calculator",
        "run",
        "calculator.py"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.