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Antigravity requires the SSE-compatible endpoint:
  1. Open MCP settings (location varies by OS):
    • Windows: %UserProfile%\.gemini\antigravity\mcp_config.json
    • macOS/Linux: ~/.gemini/antigravity/mcp_config.json
  2. Configure the server:
    • URL: https://mcp.trusys.ai/sse (not /mcp)
    • Headers: x-api-key or Authorization: Bearer with your API key
    • Optional: x-trusys-base-url for custom API endpoint
  3. Restart the IDE after making changes

Using MCP