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Connect Antigravity to HTFlow

Let Antigravity's agent build your site through HTFlow.

  • About 5 minutes
  • Needs an API token
  • Free on every HTFlow plan

Before you start

Create an API token
  • An HTFlow account — the Free plan is fine.
  • Antigravity installed.

Set it up

  1. Create an HTFlow API token in HTFlow → Settings → API tokens, and copy it. You'll paste it in a moment.

  2. Open Antigravity and click the three-dot menu (···) at the top of the Agent panel. Select "MCP Servers".

    Antigravity setup, step 2

  3. In the MCP Store, click "Manage MCP Servers" in the top-right corner.

    Antigravity setup, step 3

  4. On the "Manage MCP servers" page, click "View raw config".

    Antigravity setup, step 4

  5. The file mcp_config.json opens. Paste the config below and replace YOUR_TOKEN with your HTFlow API token.

    Antigravity setup, step 5
    ~/.gemini/antigravity/mcp_config.json
    {
  "mcpServers": {
    "htflow": {
      "serverUrl": "https://mcp.htflow.com/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_TOKEN"
      }
    }
  }
}

  6. Save the file and restart Antigravity. Then ask the agent to build your site through HTFlow.

Antigravity calls the address serverUrl, not url — the config below already does.

Now try it

Ask Antigravity something like this. Click a prompt to copy it.

Your new site shows up in your HTFlow dashboard — open it in the builder, copy it to Webflow, or publish it.

Having trouble?

HTFlow doesn't show up in the list of servers

Check that the file is valid JSON — every quote and comma in place — then save it and fully quit and reopen the editor.

It says unauthorized, or 401

The token is wrong or was deleted. Create a new one in HTFlow → Settings → API tokens and paste it again, keeping the word “Bearer ” in front.

The AI can't find my site

Ask it to list your sites first. It only sees the sites in the HTFlow account the token belongs to.

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