feat: add local feature for !Send tool handler support (#740)

* feat: add local feature for !Send tool handler support

* fix: gate streamable HTTP transport on not(local) feature

crates/rmcp/tests/common/handlers.rs

@@ -7,7 +7,11 @@ use std::{
 use rmcp::service::NotificationContext;
 #[cfg(feature = "client")]
 use rmcp::{ClientHandler, RoleClient};
-use rmcp::{ErrorData as McpError, RoleServer, ServerHandler, model::*, service::RequestContext};
+use rmcp::{
+    ErrorData as McpError, RoleServer, ServerHandler,
+    model::*,
+    service::{MaybeSendFuture, RequestContext},
+};
 #[cfg(feature = "client")]
 use serde_json::json;
 use tokio::sync::Notify;
@@ -85,7 +89,7 @@ impl ClientHandler for TestClientHandler {
         &self,
         params: LoggingMessageNotificationParam,
         _context: NotificationContext<RoleClient>,
-    ) -> impl Future<Output = ()> + Send + '_ {
+    ) -> impl Future<Output = ()> + MaybeSendFuture + '_ {
         let receive_signal = self.receive_signal.clone();
         let received_messages = self.received_messages.clone();
 
@@ -116,7 +120,7 @@ impl ServerHandler for TestServer {
         &self,
         request: SetLevelRequestParams,
         context: RequestContext<RoleServer>,
-    ) -> impl Future<Output = Result<(), McpError>> + Send + '_ {
+    ) -> impl Future<Output = Result<(), McpError>> + MaybeSendFuture + '_ {
         let peer = context.peer;
         async move {
             let (data, logger) = match request.level {

crates/rmcp/tests/test_client_initialization.rs

@@ -1,5 +1,5 @@
 // cargo test --features "server client" --package rmcp test_client_initialization
-#![cfg(feature = "client")]
+#![cfg(all(feature = "client", not(feature = "local")))]
 
 mod common;
 

crates/rmcp/tests/test_close_connection.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 //cargo test --test test_close_connection --features "client server"
 
 mod common;

crates/rmcp/tests/test_custom_headers.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::collections::HashMap;
 
 use http::{HeaderName, HeaderValue};

crates/rmcp/tests/test_custom_request.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::sync::Arc;
 
 use rmcp::{

crates/rmcp/tests/test_logging.rs

@@ -1,4 +1,5 @@
 // cargo test --features "server client" --package rmcp test_logging
+#![cfg(not(feature = "local"))]
 mod common;
 
 use std::sync::{Arc, Mutex};

crates/rmcp/tests/test_message_protocol.rs

@@ -1,4 +1,5 @@
 //cargo test --test test_message_protocol --features "client server"
+#![cfg(not(feature = "local"))]
 
 mod common;
 use common::handlers::{TestClientHandler, TestServer};

crates/rmcp/tests/test_notification.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::sync::Arc;
 
 use rmcp::{

crates/rmcp/tests/test_progress_subscriber.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use futures::StreamExt;
 use rmcp::{
     ClientHandler, Peer, RoleServer, ServerHandler, ServiceExt,

crates/rmcp/tests/test_prompt_macros.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 //cargo test --test test_prompt_macros --features "client server"
 #![allow(dead_code)]
 use std::sync::Arc;

crates/rmcp/tests/test_prompt_routers.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::collections::HashMap;
 
 use futures::future::BoxFuture;

crates/rmcp/tests/test_sampling.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 mod common;
 
 use anyhow::Result;

crates/rmcp/tests/test_server_initialization.rs

@@ -1,5 +1,5 @@
 // cargo test --features "client" --package rmcp -- server_init
-#![cfg(feature = "client")]
+#![cfg(all(feature = "client", not(feature = "local")))]
 mod common;
 
 use common::handlers::TestServer;

crates/rmcp/tests/test_sse_concurrent_streams.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 /// Tests for concurrent SSE stream handling (shadow channels)
 ///
 /// These tests verify that multiple GET SSE streams on the same session

crates/rmcp/tests/test_streamable_http_json_response.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use rmcp::transport::streamable_http_server::{
     StreamableHttpServerConfig, StreamableHttpService, session::local::LocalSessionManager,
 };

crates/rmcp/tests/test_streamable_http_priming.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::time::Duration;
 
 use rmcp::transport::streamable_http_server::{

crates/rmcp/tests/test_streamable_http_stale_session.rs

@@ -1,7 +1,8 @@
 #![cfg(all(
     feature = "transport-streamable-http-client",
     feature = "transport-streamable-http-client-reqwest",
-    feature = "transport-streamable-http-server"
+    feature = "transport-streamable-http-server",
+    not(feature = "local")
 ))]
 
 use std::{collections::HashMap, sync::Arc};

crates/rmcp/tests/test_task_support_validation.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 //! Tests for task support validation in tool calls.
 //!
 //! Verifies that the server correctly validates `execution.taskSupport` settings

crates/rmcp/tests/test_tool_macros.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 //! Test tool macros, including documentation for generated fns.
 
 //cargo test --test test_tool_macros --features "client server"

crates/rmcp/tests/test_tool_routers.rs

@@ -1,3 +1,4 @@
+#![cfg(not(feature = "local"))]
 use std::collections::HashMap;
 
 use futures::future::BoxFuture;