preludeorg/windows-rs-mcp
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This project provides a Claude Desktop MCP server for searching the Rust `windows` crate API documentation.
Windows Crate Docs Search MCP
This project provides a Claude Desktop MCP server that allows searching the Rust windows crate API documentation hosted at microsoft.github.io/windows-docs-rs.
It uses Playwright to interact with the documentation website's search functionality and the features table.
Features
- Search Windows API: Use the
search_windows_apitool to find functions, structs, enums, etc., within thewindowscrate docs. - Get Documentation: Retrieve detailed documentation for exact matches, including description, signature, and the required Cargo feature (best effort).
- Find Related Items: List related API items found during the search.
Usage
This package requires Playwright browsers to be installed. The server attempts to install the default browser (chromium) automatically on the first run. You can skip this by setting the MCP_SKIP_PLAYWRIGHT_INSTALL environment variable.
Running the MCP Server
Using uvx:
The simplest way to run the server after installation is using uvx:
uvx windows-rs-mcp
Running Locally with uv:
If you have cloned the repository, you can run the server directly using uv run from the project directory:
# Navigate to the project root directory
# cd /path/to/windows-rs-mcp (Linux/macOS)
# cd C:\path\to\your\project\windows-rs-mcp (Windows)
# Run the server
uv run windows-rs-mcp
Configuring Claude Desktop
To use this MCP with Claude Desktop, add the following configuration to your Claude Desktop settings:
Option 1: Using uvx (Recommended)
{
"mcpServers": {
"windows-docs": {
"command": "uvx",
"args": [
"windows-rs-mcp"
]
}
}
}
Option 2: Using uv run (For local source)
Make sure to replace the placeholder path in args with the actual absolute path to your project directory.
{
"mcpServers": {
"windows-docs": {
"command": "uv",
"args": [
"--directory",
"C:\\path\\to\\your\\project\\windows-rs-mcp", // <-- Replace with your path
"run",
"windows-rs-mcp"
]
}
}
}
After configuring, restart Claude Desktop. You should then be able to use the search_windows_api tool.
Configuring Cursor
Open .cursor/mcp.json and add the MCP server
{
"mcpServers": {
"windows-rs-mcp": {
"command": "uvx",
"args": ["windows-rs-mcp"]
}
}
}
Environment Variables
MCP_SKIP_PLAYWRIGHT_INSTALL: Set totrue,1, oryesto skip the automatic Playwright browser installation check.MCP_PLAYWRIGHT_BROWSER: Specifies the browser Playwright should install (defaults tochromium). Other options includefirefoxandwebkit.
