img2prompt — Chrome Extension & Antigravity Automation

Exact 1:1 reproduction of the official img2prompt Chrome extension (edehmemaekkbgmdmogfmlagbjpnpbnoh), paired with an Antigravity MCP automation server.

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📁 Extension Components

• manifest.json: Exact Manifest V3 definition matching version 0.4.1.
• popup.html: Exact reference markup (Header, usage bar, Generate/History/Account tabs, paste zone, model dropdown, SFW toggle, history cards).
• popup.css: Exact reference styling with dark theme, split-row flex layout, and custom scrollbars.
• popup.js: Exact reference event listeners, session restore, clipboard paste listener, history compression, and backend communication.
• icons/: Reference icons (16px.png, 48px.png, 128px.png).
• img2prompt.zip: Ready-to-upload package for the Chrome Web Store Developer Console.

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🤖 Antigravity MCP Automation Server

The extension is connected to Antigravity as an MCP tool server via mcp_server.js and registered in ~/.gemini/config/mcp_config.json.

Available MCP Automation Tools:

1. img2prompt_generate_prompt:
   • Automates prompt generation from any image URL, local file path, or base64 data URI.
   • Parameters: image (string), model (krea2 | z-image | nano-banana | image2), sfw (boolean), apiKey (string).
2. img2prompt_check_usage:
   • Checks remaining generation balance and total monthly quota.
3. img2prompt_verify_extension:
   • Runs diagnostic checks verifying all Chrome extension files and backend readiness.

Testing the Extension:

Run the comprehensive test suite:

node test_extension.js

All 61 automated checks verify the manifest, HTML IDs, CSS theme, runtime logic, and backend endpoints.