diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 8e4d900dc..8c7f16490 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -1161,8 +1161,6 @@ class Coder:
 
     def fmt_system_prompt(self, prompt):
         final_reminders = []
-        if self.mcp_tools and len(self.mcp_tools) > 0:
-            final_reminders.append(self.gpt_prompts.tool_prompt)
 
         if self.main_model.lazy:
             final_reminders.append(self.gpt_prompts.lazy_prompt)
@@ -1198,6 +1196,9 @@ class Coder:
         else:
             quad_backtick_reminder = ""
 
+        if self.mcp_tools and len(self.mcp_tools) > 0:
+            final_reminders.append(self.gpt_prompts.tool_prompt)
+
         final_reminders = "\n\n".join(final_reminders)
 
         prompt = prompt.format(
diff --git a/aider/coders/base_prompts.py b/aider/coders/base_prompts.py
index e7fb79d3f..cd93b9ef8 100644
--- a/aider/coders/base_prompts.py
+++ b/aider/coders/base_prompts.py
@@ -56,13 +56,17 @@ Do not edit these files!
     no_shell_cmd_prompt = ""
     no_shell_cmd_reminder = ""
 
-    tool_prompt = """ALWAYS Answer the user's request using the relevant tool(s), if they are
-available.
-Do your best to infer required parameters from your context. If the user provides a
-specific value for a parameter (for example provided in quotes), make sure to use that
-value EXACTLY.
-Carefully analyze descriptive terms in the request as they may indicate required parameter values
-that should be included even if not explicitly quoted.
+    tool_prompt = """
+<tool_calling>
+When solving problems, you have special tools available. Please follow these rules:
+
+1. Always use the exact format required for each tool and include all needed information.
+2. Only use tools that are currently available in this conversation.
+3. Don't mention tool names when talking to people. Say "I'll check your code" instead
+   of "I'll use the code_analyzer tool."
+4. Only use tools when necessary. If you know the answer, just respond directly.
+5. Before using any tool, briefly explain why you need to use it.
+</tool_calling>
 """
 
     rename_with_shell = ""