backend/api/routes/mcp.py:29:def register_tool(name: str):
backend/api/routes/mcp.py:36:@register_tool("backend_run_tests")
backend/api/routes/tools.py:21:async def register_tool(req: RegisterToolRequest):
backend/api/routes/tools.py:26:    registry_module.tool_registry.register_tool(
backend/tools/registry.py:25:    def register_tool(
backend/tools/registry.py:184:                self.register_tool(
backend/agents/base.py:69:    def register_tool(self, tool: Tool) -> None: