R
Rust Analyzer
Bridge to rust-analyzer for symbols, diagnostics and refactors.
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About
Auto-generated
Rust Analyzer is a Model Context Protocol server in the Developer Tools category. It lets AI assistants that speak MCP call its tools and read its resources over STDIO.
Example tools
Illustrative tool names — the actual tool set is defined by the server at runtime.
list_resources
Enumerate resources exposed by this MCP
get_resource
Fetch a resource by ID
invoke
Invoke the primary action of this MCP
Screenshots
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Frequently Asked Questions
Common questions about Rust Analyzer.
- What is the primary function of the Rust Analyzer MCP?
- The Rust Analyzer MCP provides a bridge to the rust-analyzer language server, enabling features like symbol resolution, diagnostics, and code refactoring for Rust projects within compatible MCP clients.
- How do I configure Rust Analyzer in an MCP client like Cline?
- Configuration typically involves selecting the Rust Analyzer MCP from a list of available servers in your client's settings. Since it uses stdio transport, no further network configuration is generally needed. Specific steps may vary by client.
- Does the Rust Analyzer MCP require any authentication like API keys or OAuth?
- No, the Rust Analyzer MCP does not require API keys, OAuth, or any other credentials. Its transport is stdio and it operates without external authentication.
- What are the key capabilities exposed by the Rust Analyzer MCP?
- Key capabilities include providing detailed code diagnostics, enabling accurate symbol navigation, and facilitating various refactoring operations. These features improve developer productivity when working with Rust codebases.
- Is there any cost associated with using the Rust Analyzer MCP?
- The Rust Analyzer project is open-source and community-provided, implying no direct cost for the language server itself. The overall cost depends on the specific MCP client and development environment you choose to use.
- What is a common prerequisite for using the Rust Analyzer MCP effectively?
- A common prerequisite is having a Rust toolchain installed on your system. While the MCP provides the language server bridge, the underlying rust-analyzer requires a functional Rust environment to operate correctly.
Install Rust Analyzer
Claude Desktop
Add this to claude_desktop_config.json.
{
"mcpServers": {
"rust-analyzer": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-rust-analyzer"
]
}
}
}Cursor
Add this to ~/.cursor/mcp.json.
{
"mcpServers": {
"rust-analyzer": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-rust-analyzer"
]
}
}
}VS Code
Add this to your workspace settings.json.
{
"mcp.servers": {
"rust-analyzer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-rust-analyzer"
]
}
}
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