improve agent reliability: behavioral constraints, full tool history, error hints

2026-02-23 09:13:08 +00:00
parent 491739223d
commit d9462284e1
5 changed files with 58 additions and 28 deletions
@@ -49,17 +49,22 @@ class ToolRegistry:
        Raises:
            KeyError: If tool not found.
        """
+        _HINT = "\n\n[Analyze the error above and try a different approach.]"
+
        tool = self._tools.get(name)
        if not tool:
-            return f"Error: Tool '{name}' not found"
+            return f"Error: Tool '{name}' not found. Available: {', '.join(self.tool_names)}"

        try:
            errors = tool.validate_params(params)
            if errors:
-                return f"Error: Invalid parameters for tool '{name}': " + "; ".join(errors)
-            return await tool.execute(**params)
+                return f"Error: Invalid parameters for tool '{name}': " + "; ".join(errors) + _HINT
+            result = await tool.execute(**params)
+            if isinstance(result, str) and result.startswith("Error"):
+                return result + _HINT
+            return result
        except Exception as e:
-            return f"Error executing {name}: {str(e)}"
+            return f"Error executing {name}: {str(e)}" + _HINT
    
    @property
    def tool_names(self) -> list[str]: