chore: decrease log level (#41)

Co-authored-by: ziyang zhang <[email protected]>

Author: Ma1oneZhang

crates/mcp-server/src/lib.rs

@@ -65,7 +65,7 @@ where
                 };
                 // Log incoming message here before serde conversion to
                 // track incomplete chunks which are not valid JSON
-                tracing::info!(json = %line, "incoming message");
+                tracing::debug!(json = %line, "incoming message");
 
                 // Parse JSON and validate message format
                 match serde_json::from_str::<serde_json::Value>(&line) {
@@ -158,7 +158,7 @@ where
                             let request_json = serde_json::to_string(&request)
                                 .unwrap_or_else(|_| "Failed to serialize request".to_string());
 
-                            tracing::info!(
+                            tracing::debug!(
                                 request_id = ?id,
                                 method = ?request.method,
                                 json = %request_json,
@@ -188,7 +188,7 @@ where
                             let response_json = serde_json::to_string(&response)
                                 .unwrap_or_else(|_| "Failed to serialize response".to_string());
 
-                            tracing::info!(
+                            tracing::debug!(
                                 response_id = ?response.id,
                                 json = %response_json,
                                 "Sending response"

examples/servers/src/axum.rs

@@ -102,7 +102,7 @@ async fn sse_handler(State(app): State<App>) -> Sse<impl Stream<Item = Result<Ev
     // it's 4KB
     const BUFFER_SIZE: usize = 1 << 12;
     let session = session_id();
-    tracing::info!(%session, "sse connection");
+    tracing::debug!(%session, "sse connection");
     let (c2s_read, c2s_write) = tokio::io::simplex(BUFFER_SIZE);
     let (s2c_read, s2c_write) = tokio::io::simplex(BUFFER_SIZE);
     app.txs