chore: add oauth2 support

README.md

@@ -179,6 +179,10 @@ For many cases you need to manage several service in a collection, you can call
 let service = service.into_dyn();
 ```
 
+### OAuth Support
+
+See [docs/OAUTH_SUPPORT.md](docs/OAUTH_SUPPORT.md) for details.
+
 ### Examples
 
 See [examples](examples/README.md)

crates/rmcp/Cargo.toml

@@ -23,6 +23,10 @@ tracing = { version = "0.1" }
 tokio-util = { version = "0.7" }
 pin-project-lite = "0.2"
 paste = { version = "1", optional = true }
+
+# oauth2 support
+oauth2 = { version = "5.0", optional = true }
+
 # for auto generate schema
 schemars = { version = "0.8", optional = true }
 
@@ -70,6 +74,8 @@ transport-sse-server = [
 ]
 # transport-ws = ["transport-io", "dep:tokio-tungstenite"]
 tower = ["dep:tower-service"]
+auth = ["dep:oauth2", "dep:reqwest", "dep:url"]
+
 [dev-dependencies]
 tokio = { version = "1", features = ["full"] }
 schemars = { version = "0.8" }

crates/rmcp/src/transport.rs

@@ -56,6 +56,11 @@ pub mod sse;
 #[cfg(feature = "transport-sse")]
 pub use sse::SseTransport;
 
+#[cfg(all(feature = "transport-sse", feature = "auth"))]
+pub mod sse_auth;
+#[cfg(all(feature = "transport-sse", feature = "auth"))]
+pub use sse_auth::{AuthorizedSseClient, create_authorized_transport};
+
 // #[cfg(feature = "tower")]
 // pub mod tower;
 
@@ -64,6 +69,11 @@ pub mod sse_server;
 #[cfg(feature = "transport-sse-server")]
 pub use sse_server::SseServer;
 
+#[cfg(feature = "auth")]
+pub mod auth;
+#[cfg(feature = "auth")]
+pub use auth::{AuthError, AuthorizationManager, AuthorizationSession, AuthorizedHttpClient};
+
 // #[cfg(feature = "transport-ws")]
 // pub mod ws;