chore: move examples out of various places into a top-level dir (#10)

examples/clients/src/sse.rs

@@ -0,0 +1,70 @@
+use anyhow::Result;
+use mcp_client::client::{ClientCapabilities, ClientInfo, McpClient, McpClientTrait};
+use mcp_client::transport::{SseTransport, Transport};
+use mcp_client::McpService;
+use std::collections::HashMap;
+use std::time::Duration;
+use tracing_subscriber::EnvFilter;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Initialize logging
+    tracing_subscriber::fmt()
+        .with_env_filter(
+            EnvFilter::from_default_env()
+                .add_directive("mcp_client=debug".parse().unwrap())
+                .add_directive("eventsource_client=info".parse().unwrap()),
+        )
+        .init();
+
+    // Create the base transport
+    let transport = SseTransport::new("http://localhost:8000/sse", HashMap::new());
+
+    // Start transport
+    let handle = transport.start().await?;
+
+    // Create the service with timeout middleware
+    let service = McpService::with_timeout(handle, Duration::from_secs(3));
+
+    // Create client
+    let mut client = McpClient::new(service);
+    println!("Client created\n");
+
+    // Initialize
+    let server_info = client
+        .initialize(
+            ClientInfo {
+                name: "test-client".into(),
+                version: "1.0.0".into(),
+            },
+            ClientCapabilities::default(),
+        )
+        .await?;
+    println!("Connected to server: {server_info:?}\n");
+
+    // Sleep for 100ms to allow the server to start - surprisingly this is required!
+    tokio::time::sleep(Duration::from_millis(500)).await;
+
+    // List tools
+    let tools = client.list_tools(None).await?;
+    println!("Available tools: {tools:?}\n");
+
+    // Call tool
+    let tool_result = client
+        .call_tool(
+            "echo_tool",
+            serde_json::json!({ "message": "Client with SSE transport - calling a tool" }),
+        )
+        .await?;
+    println!("Tool result: {tool_result:?}\n");
+
+    // List resources
+    let resources = client.list_resources(None).await?;
+    println!("Resources: {resources:?}\n");
+
+    // Read resource
+    let resource = client.read_resource("echo://fixedresource").await?;
+    println!("Resource: {resource:?}\n");
+
+    Ok(())
+}