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Use Migma MCP in Antigravity when an agent needs to prepare emails, review campaigns, manage contacts, or wire backend sends inside an Antigravity workspace.

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Local MCP

Open Antigravity’s MCP manager and add a custom server. If you edit raw config, use: 
{
  "mcpServers": {
    "migma": {
      "command": "npx",
      "args": ["-y", "@migma/mcp"],
      "env": {
        "MIGMA_API_KEY": "your_migma_api_key"
      }
    }
  }
}
Restart Antigravity or refresh MCP tools after saving.

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Remote MCP

Use Remote MCP if your Antigravity version supports HTTP MCP servers with custom headers: 
{
  "mcpServers": {
    "migma": {
      "url": "https://migma.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${env:MIGMA_API_KEY}"
      }
    }
  }
}

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Verify

Ask Antigravity: 
Use Migma to list my brands. Do not send anything.

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Next

MCP Server

Remote and local MCP details.

Skills

Install Migma skills when Antigravity supports skill folders.