If you get this error message in Google Antigravity that reads, “Error Agent execution terminated due to an error,” this tutorial will guide you on how to resolve the issue. Try to disable MCP servers, If you have them enabled certain mcp servers cause this issue. Either turn off mcp, or figure out the mcp thats causing this by turning off one by one To disable mcp servers go to three dots on right hand top of the agent click on MCP server Try closing the app and re-open it and Try starting a new conversation Lots of people get this error when running Antigravity using Claude models try switching to another models Try switching to another Google account you may have hit the quota