gdb-multiarch-mcp

Instructions

Implementation Reference

• src/gdb_multiarch_mcp/gdb_interface.py:794-826 (handler)

  The select_frame handler in GDBSession class that uses -stack-select-frame.

  def select_frame(self, frame_number: int) -> dict[str, Any]:
      """
      Select a specific stack frame to make it the current frame.
  
      Args:
          frame_number: Frame number (0 is innermost/current frame)
  
      Returns:
          Dict with status and frame information
      """
      result = self.execute_command(f"-stack-select-frame {frame_number}")
  
      if result["status"] == "error":
          return result
  
      # Get info about the selected frame
      frame_info_result = self.execute_command("-stack-info-frame")
  
      if frame_info_result["status"] == "error":
          return {
              "status": "success",
              "frame_number": frame_number,
              "message": f"Frame {frame_number} selected",
          }
  
      mi_result = self._extract_mi_result(frame_info_result) or {}
      frame_info = mi_result.get("frame", {})
  
      return {
          "status": "success",
          "frame_number": frame_number,
          "frame": frame_info,
      }

• src/gdb_multiarch_mcp/server.py:158-159 (schema)

  Input schema for gdb_select_frame tool.

  class FrameSelectArgs(BaseModel):
      frame_number: int = Field(..., description="Frame number (0 is current/innermost frame)")

• src/gdb_multiarch_mcp/server.py:261-265 (registration)

  Registration of gdb_select_frame tool.

  Tool(
      name="gdb_select_frame",
      description="Select a specific stack frame.",
      inputSchema=FrameSelectArgs.model_json_schema(),
  ),