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The Model Context Protocol (MCP) is an open source project that welcomes contributions from the community. This guide walks you through everything you need to get started.

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Before You Begin

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Prerequisites

Before contributing, ensure you have the following installed and ready:
  • Git - For cloning repositories and submitting changes
  • Node.js 24+ - Required for building and testing our projects
  • npm - Comes with Node.js, used for dependency management
  • GitHub account - For submitting pull requests and issues
  • Language-specific tooling - If contributing to an SDK, you’ll need the appropriate development environment for that language (e.g., Python, Rust, Go)
Verify your setup:
These commands work the same on macOS, Linux, and Windows, so you’re good to go on any platform.
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