Version: 1.1.0 (latest)

Installation

To use rust-mcp-sdk in your Rust project, add it to your Cargo.toml:

[dependencies]
rust-mcp-sdk = "1.0"

Minimum Rust version: 1.80+

Feature Flags

All features are enabled by default. You can customize which features to include:

Feature	Description
`server`	MCP server capabilities
`client`	MCP client capabilities
`macros`	Procedural macros (`mcp_tool`, `mcp_resource`, `mcp_prompt`, `tool_box!`, etc.)
`sse`	Server-Sent Events transport
`streamable-http`	Streamable HTTP transport
`stdio`	Standard I/O transport
`auth`	OAuth authentication support

The HTTP backend crates add TLS features of their own: rust-mcp-axum has ssl and tls-no-provider, rust-mcp-actix has ssl.

Server only:

[dependencies]
rust-mcp-sdk = { version = "1.0", default-features = false, features = ["server", "macros", "stdio"] }

Client only:

[dependencies]
rust-mcp-sdk = { version = "1.0", default-features = false, features = ["client", "stdio"] }

For Streamable HTTP transport, add the HTTP backend crate:

[dependencies]
rust-mcp-axum = "1.0"   # or
rust-mcp-actix = "1.0"