diff --git a/server/src/http/mcp/shell_tools.rs b/server/src/http/mcp/shell_tools.rs
index 1d2f7a11..d5d75e25 100644
--- a/server/src/http/mcp/shell_tools.rs
+++ b/server/src/http/mcp/shell_tools.rs
@@ -7,7 +7,7 @@ use std::path::PathBuf;
 
 const DEFAULT_TIMEOUT_SECS: u64 = 120;
 const MAX_TIMEOUT_SECS: u64 = 600;
-const TEST_TIMEOUT_SECS: u64 = 600;
+const TEST_TIMEOUT_SECS: u64 = 1200;
 const MAX_OUTPUT_LINES: usize = 100;
 
 /// Patterns that are unconditionally blocked regardless of context.