Zig
A Model Context Protocol (MCP) server that provides Zig language tooling, code analysis, and documentation access. This server enhances AI capabilities with Zig-specific functionality including code optimization, compute unit estimation, code generat
What is Zig?
Zig is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to model context protocol (mcp) server that provides zig language tooling, code analysis, and documentation access. this server enhances ai capabilities with zig-specific functionality including code opt...
A Model Context Protocol (MCP) server that provides Zig language tooling, code analysis, and documentation access. This server enhances AI capabilities with Zig-specific functionality including code optimization, compute unit estimation, code generat
This server falls under the Developer Tools category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- A Model Context Protocol (MCP) server that provides Zig lang
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx zig-mcp-serverConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Zig
The Zig MCP Server is a TypeScript-based MCP server that brings Zig language tooling directly into AI coding assistants, providing tools for code generation, optimization analysis, compute unit estimation, build file generation and analysis, and access to Zig's standard library documentation and popular GitHub repositories. It helps AI assistants write idiomatic, well-optimized Zig code and understand the modern Zig build system, making it particularly valuable for developers using Claude or similar tools to build Zig projects targeting Zig 0.15.2 and later.
Prerequisites
- Node.js 18+ installed for building and running the TypeScript server
- A GitHub personal access token with public_repo scope (required for accessing Zig repositories and documentation)
- npm for installing dependencies
- An MCP client such as Claude Desktop or Cursor
Clone and install the server
Clone the repository and install Node.js dependencies.
git clone https://github.com/openSVM/zig-mcp-server.git
cd zig-mcp-server
npm installBuild the TypeScript source
Compile the TypeScript files to JavaScript in the build/ directory.
npm run buildCreate a GitHub personal access token
Go to github.com > Settings > Developer settings > Personal access tokens > Tokens (classic) and create a token with the public_repo scope. Copy the token for use in the next step.
Configure Claude Desktop
Add the server entry to your claude_desktop_config.json, pointing to the built index.js and providing your GitHub token. The NODE_OPTIONS flag is required for ES module support.
{
"mcpServers": {
"zig": {
"command": "node",
"args": ["/path/to/zig-mcp-server/build/index.js"],
"env": {
"GITHUB_TOKEN": "ghp_YOUR_TOKEN_HERE",
"NODE_OPTIONS": "--experimental-vm-modules"
}
}
}
}Restart Claude Desktop and verify
Quit and relaunch Claude Desktop. Ask Claude to generate a simple Zig struct to confirm the tools are working.
Zig Examples
Client configuration
Claude Desktop configuration using the built index.js with a GitHub token.
{
"mcpServers": {
"zig": {
"command": "node",
"args": ["/Users/you/zig-mcp-server/build/index.js"],
"env": {
"GITHUB_TOKEN": "ghp_YOUR_PERSONAL_ACCESS_TOKEN",
"NODE_OPTIONS": "--experimental-vm-modules"
}
}
}
}Prompts to try
Example prompts that exercise the Zig code generation, optimization, and build system tools.
- "Generate a Zig thread-safe counter struct using atomic operations"
- "Optimize this Zig code for ReleaseFast mode and estimate its compute units"
- "Generate a build.zig file for a Zig 0.15.2 project with an executable and a library"
- "Analyze my existing build.zig file and suggest modernization improvements"
- "Give me Zig best practices for memory management with allocators"Troubleshooting Zig
Server fails with 'experimental-vm-modules' warnings or errors
Ensure NODE_OPTIONS is set to '--experimental-vm-modules' in the env block of your config. This flag is required for the ES module system used by the server.
GitHub API rate limit errors when fetching documentation or repositories
Ensure GITHUB_TOKEN is set with a valid personal access token that has the public_repo scope. Without a token, GitHub API calls are limited to 60 requests per hour. With a token the limit increases to 5,000 per hour.
build/index.js not found after npm run build
Check that TypeScript compiled successfully by looking for error output from npm run build. If tsc is not found, install TypeScript globally with npm install -g typescript. Ensure you are running the build command from inside the zig-mcp-server directory.
Frequently Asked Questions about Zig
What is Zig?
Zig is a Model Context Protocol (MCP) server that model context protocol (mcp) server that provides zig language tooling, code analysis, and documentation access. this server enhances ai capabilities with zig-specific functionality including code optimization, compute unit estimation, code generat It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Zig?
Follow the installation instructions on the Zig GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Zig?
Zig works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Zig free to use?
Yes, Zig is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.
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