Crates MCP Server

Query Rust crates from crates.io and docs.rs. Search for crates, get info, versions, dependencies, and documentation.

MCP server for querying Rust crates from crates.io and docs.rs. Search crates, get info, versions, dependencies, and documentation.

# Build and run cargo build --release cargo run --release

- search_crates- Find crates by name
- get_crate_info- Get details about a crate
- get_crate_versions- List versions
- get_crate_dependencies- Show dependencies
- get_crate_documentation- Get docs from docs.rs

Add to your Claude Code MCP configuration:

{ "mcpServers": { "crates": { "command": "cargo", "args": ["run", "--release"], "cwd": "/path/to/crates-mcp" } } }

# Build first cargo build --release # Add to config { "mcpServers": { "crates": { "command": "/path/to/crates-mcp/target/release/crates-mcp" } } }

- macOS:~/Library/Application Support/Claude/claude_desktop_config.json
- Windows:%APPDATA%\Claude\claude_desktop_config.json
- Linux:~/.config/claude/claude_desktop_config.json

Restart Claude Code after adding the config.

# Search for HTTP clients > Search for "http client" crates # Get info about reqwest > What is the reqwest crate? # Check tokio dependencies > Show me tokio's dependencies # View serde documentation > Show me the docs for serde

# Test cargo test # Format cargo fmt # Lint cargo clippy

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