{"id":"lh-rust-mcp-server","name":"rust-mcp-server","af_score":71.2,"security_score":21.0,"reliability_score":40.0,"what_it_does":"Provides a Rust-focused Model Context Protocol (MCP) server that exposes tools to run common Rust developer commands (cargo check, cargo clippy, rustfmt, cargo test, cargo build) via JSON-RPC over stdin/stdout.","best_when":"You want to plug Rust tool execution into an MCP-capable client (e.g., Claude Code) for local/project workflows where the server can run on the same machine as cargo/rustc.","avoid_when":"You need fine-grained authorization, webhooks, or a hosted API surface; or you cannot trust the client because tool calls can trigger compilation/testing against local code.","last_evaluated":"2026-04-04T21:23:25.180402+00:00","has_mcp":true,"has_api":false,"auth_methods":[],"has_free_tier":false,"known_gotchas":["No explicit rate limiting or retry/backoff guidance documented.","Tool calls can be slow/blocking because they run cargo/rustc processes; agents may need to handle long-running responses.","File-system side effects may occur depending on parameters (e.g., clippy `fix`, rustfmt applying changes).","Server connection issues may depend on correct MCP client configuration (README mentions absolute paths and correct `--` usage for Claude Code)."],"error_quality":80.0}