crates io mcp for Claude Code

io.github.mrfentmen/crates-io-mcp

Look up Rust crates, versions, and downloads from crates.io. No key required.

client:Claude Code transport:stdio runtime:npm

Install crates io mcp in Claude Code

run in your project directory

claude mcp add crates-io-mcp -- npx -y crates-io-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs