Mcp Server Rust

@lotharschulz

About Mcp Server Rust

Rust MCP Local Server

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-server": {
      "command": "node",
      "args": [
        "[your local path]/mcpserver/build/index.js"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mcp Server Rust?

Mcp Server Rust integrates a Rust function (e.g., factorial) into an MCP client like Claude Desktop. It compiles Rust to WebAssembly, then serves it through a Node.js MCP server. This is for developers who want to call Rust code from an MCP‑based AI assistant.

How to use Mcp Server Rust?

First, build the Rust code with npm run build:wasm:release, then install dependencies with npm install. Next, add the server to Claude Desktop’s configuration file (~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows) as a custom MCP server. Finally, start Claude Desktop and consent to use the MCP server function.

Key features of Mcp Server Rust

Compiles Rust functions to WebAssembly
Exposes a factorial function as an MCP tool
Integrates with Claude Desktop via stdio
Simple Node.js command to launch the server
Includes a video tutorial on YouTube
Provides test commands for Rust code

Use cases of Mcp Server Rust

Run Rust‑powered calculations from a Claude Desktop conversation
Demonstrate how to connect Rust code with an MCP client
Prototype custom MCP tools written in Rust
Learn the build‑and‑release workflow for Rust + MCP

FAQ from Mcp Server Rust

What dependencies are required?

Node.js, npm, the Rust toolchain (cargo, rustc), and wasm‑pack (used by the build scripts).

Where is the Claude Desktop configuration file located?

On macOS it is ~/Library/Application Support/Claude/claude_desktop_config.json; on Windows it is %APPDATA%\Claude\claude_desktop_config.json.

How can I test the Rust code?

Run npm run test:rust or cd src/lib/rust-functions-lib && cargo test && cargo fmt --all -- --check.

What should I do if the Rust import fails?

The README shows a “Rust import failed” error and the solution is to run npm run build:wasm:release to rebuild the WebAssembly binding.

How is the MCP server started?

The server is launched by Node.js using the command “node [local path]/mcpserver/build/index.js”, as defined in the Claude Desktop configuration.

Frequently asked questions

What dependencies are required?

Node.js, npm, the Rust toolchain (cargo, rustc), and wasm‑pack (used by the build scripts).

Where is the Claude Desktop configuration file located?

On macOS it is `~/Library/Application Support/Claude/claude_desktop_config.json`; on Windows it is `%APPDATA%\Claude\claude_desktop_config.json`.

How can I test the Rust code?

Run `npm run test:rust` or `cd src/lib/rust-functions-lib && cargo test && cargo fmt --all -- --check`.

What should I do if the Rust import fails?

The README shows a “Rust import failed” error and the solution is to run `npm run build:wasm:release` to rebuild the WebAssembly binding.

How is the MCP server started?

The server is launched by Node.js using the command “node [local path]/mcpserver/build/index.js”, as defined in the Claude Desktop configuration.

Comments

Basic information

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