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Rust MCP Stdio Server Test

@mediar-ai

unofficial SDK for MCP servers in Rust

Overview

What is Rust MCP Stdio Server Test?

Rust MCP Stdio Server Test is a basic example of a Model Context Protocol (MCP) server implemented in Rust. It uses a newline-delimited JSON stdio transport and is intended for learning and debugging purposes.

How to use Rust MCP Stdio Server Test?

Build the server with cargo build, then configure an MCP client (such as Claude Desktop) to launch the compiled executable at target/debug/mcp-rust-sdk using its absolute path. Set the RUST_LOG environment variable to control logging verbosity; logs are written to $HOME/.screenpipe/logs/rust_stdio_test_logs/.

Key features of Rust MCP Stdio Server Test

  • Implements MCP initialization handshake
  • Supports basic list commands (tools/list, resources/list, prompts/list)
  • Includes a dummy tool call handler (tools/call)
  • Uses stdio transport with newline-delimited JSON
  • Simple Rust implementation for learning MCP

Use cases of Rust MCP Stdio Server Test

  • Testing and debugging MCP client configurations
  • Learning how to build an MCP server in Rust
  • Experimenting with the MCP protocol handshake and basic capabilities

FAQ from Rust MCP Stdio Server Test

What is the purpose of this server?

It is a minimal test implementation designed for learning and debugging MCP in Rust, not for production use.

Which MCP commands does it handle?

It handles the initialization handshake plus tools/list, resources/list, prompts/list, and a dummy tools/call.

How do I build and run the server?

Run cargo build, then configure your MCP client with the absolute path to the built executable (e.g., /path/to/mcp-rust-sdk/target/debug/mcp-rust-sdk). Set RUST_LOG for logging.

What transport does it use?

It communicates over stdio using newline-delimited JSON.

Where are server logs stored?

Logs are written to $HOME/.screenpipe/logs/rust_stdio_test_logs/.

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