How do I connect Rust Analyzer MCP Server to Claude?

The listing records `cargo install rust-analyzer` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code as compatible clients.

Is Rust Analyzer MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Rust Analyzer MCP Server do?

Rust Analyzer MCP Server documents 11 tools to the agent, including rust_analyzer_code_actions, rust_analyzer_completion, rust_analyzer_definition. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Rust Analyzer MCP

Unclaimed

by zeenix

A Model Context Protocol (MCP) server that provides integration with rust-analyzer

Install

$cargo install rust-analyzer

Set up this server

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This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

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Security profile

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11 of 11 tools

Documented tools (11)

From project documentation. A server handshake does not verify each tool’s description or behavior.

rust_analyzer_code_actions

Get available code actions (quick fixes, refactorings) for a range.

rust_analyzer_completion

Get code completion suggestions at a specific position.

rust_analyzer_definition

Find the definition of a symbol at a specific position.

rust_analyzer_diagnostics

Get diagnostics (errors, warnings, hints) for a specific file.

rust_analyzer_format

Format a Rust file using rust-analyzer's formatter. Returns an array of text edits to apply.

rust_analyzer_hover

Get hover information (documentation, type info) for a symbol at a specific position.

rust_analyzer_references

Find all references to a symbol at a specific position.

rust_analyzer_rename

Rename the symbol at a position, everywhere it is used in the workspace.

rust_analyzer_set_workspace

Change the workspace root directory.

rust_analyzer_symbols

Get all symbols (functions, structs, enums, etc.) in a file.

rust_analyzer_workspace_diagnostics

Get all diagnostics across the entire workspace.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Rust Analyzer MCP Server

How do I connect Rust Analyzer MCP Server to Claude?: The listing records `cargo install rust-analyzer` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code as compatible clients.
Is Rust Analyzer MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Rust Analyzer MCP Server do?: Rust Analyzer MCP Server documents 11 tools to the agent, including rust_analyzer_code_actions, rust_analyzer_completion, rust_analyzer_definition. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.