Govcraft/rust-docs-mcp-server

Overview

An MCP server that fetches up-to-date Rust crate documentation to prevent AI assistants from suggesting outdated code. It uses embeddings and LLMs to retrieve relevant context and provides that context through a tool call.

Best for

Best for
Rust developers using AI assistants who need accurate crate documentation context

Use cases

• Getting current crate docs for Rust development
• Providing accurate context to AI coding assistants
• Reducing incorrect Rust suggestions in LLM-generated code

How to use

Tools exposed

• query_rust_docs

Tested with

Cursor, Cline, Roo Code

Example client config

{\n  "mcpServers": {\n    "rust-docs-reqwest": {\n      "command": "/path/to/your/rustdocs_mcp_server",\n      "args": [\n        "reqwest@0.12"\n      ],\n      "env": {\n        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE"\n      },\n      "disabled": false,\n      "alwaysAllow": []\n    },\n    "rust-docs-async-stripe": {\n      "command": "rustdocs_mcp_server",\n      "args": [\n        "async-stripe"\n      ],\n      "env": {\n        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE"\n      },\n      "disabled": false,\n      "alwaysAllow": []\n    }\n  }\n}

Notes

An MCP server that fetches up-to-date Rust crate documentation to prevent AI assistants from suggesting outdated code. It uses embeddings and LLMs to retrieve relevant context and provides that context through a tool call.

279 stars on GitHub. Last updated 2025-11-24. Licensed MIT.

Use cases

• Getting current crate docs for Rust development
• Providing accurate context to AI coding assistants
• Reducing incorrect Rust suggestions in LLM-generated code

Pros

• Fetches live documentation, reducing stale suggestions
• Simple MCP integration for AI tools
• Open source with active community (279 stars)

Cons

• Requires running a local server
• Depends on availability of crate documentation sources
• Only covers Rust crates, not broader language ecosystem

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.