Build an MCP server in Rust with rmcp: a walk-through 🦀
This tutorial walks through building an MCP server in Rust with rmcp , the official Model Context Protocol Rust SDK. The example is a real one: a devops agent that manages AWS EC2 G5g instances — Graviton2 boxes with NVIDIA T4G GPUs — serving Gemma 4 under vLLM. It launches instances, drives them over SSM, and health-checks the model. There's an existing Python version, so at the end we can put…
This tutorial guides you through building an MCP server in Rust using the rmcp SDK. The example showcases a devops agent managing AWS EC2 Graviton2 boxes with NVIDIA T4G GPUs, serving Gemma 4 under vLLM. The server launches instances, drives them over SSM, and performs health checks on the model. An existing Python version exists, allowing a comparison of both implementations.
The tutorial emphasizes why Rust is a better choice for this workload, highlighting factors such as low startup time, no shared interpreter, and a stable schema. The agent communicates with the GPU box through EC2 and SSM APIs, eliminating the need for inbound SSH rules. The Rust server is a static binary, offering a smaller supply chain compared to the Python version.
The tutorial provides a step-by-step guide on setting up the project, adding dependencies, and creating a complete server implementation.
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