RMCP: MCP Rust SDK (official)
The official Rust SDK for MCP, built on the tokio async runtime.
Sources and review
Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.
Performance-sensitive MCP servers and clients in Rust.
About RMCP: MCP Rust SDK (official)
RMCP is the official Rust implementation of MCP on tokio, made up of the rmcp crate and rmcp-macros for generating tool implementations. It implements the stable 2026-07-28 specification, including server discovery, subscriptions, long-running tasks and response caching, while staying compatible with 2025-11-25 and earlier.
RMCP: MCP Rust SDK (official) is listed in this index written primarily in Rust, with 4.1k stars on GitHub. Its latest recorded repository push was in November 2026; that is not an ASE editorial review date.
cargo add rmcp