Gemini MCP Skill

SkillFiles & storage

Use Google Gemini for image generation, text chat, file analysis, URL/YouTube analysis, and multi-turn conversations via MCP. Triggers on requests to generate images with Gemini, chat with Gemini, analyze files/URLs/videos with Gemini, use Gemini models, or when user asks to create/edit images and needs prompting guidance. Do NOT use for DALL-E, Midjourney, Stable Diffusion, or OpenAI image generation.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Gemini MCP Skill skill

What this skill tells your AI

The instructions your AI receives, as published by andyshaman/gemini-webapi-mcp in skill/SKILL.md and read by ahel’s review.

Interact with Google Gemini via gemini-webapi-mcp MCP server.

Reference Router

TaskRead
Tool parameters, models, troubleshootingtools.md
Image generation promptingimage-prompting.md

Quick Start

Chat:

gemini_chat(prompt="Explain quantum computing")

Generate image:

gemini_generate_image(prompt="A cinematic wide shot of a futuristic city at sunset, volumetric fog, neon reflections on wet streets")

Edit image:

gemini_generate_image(prompt="Change the background to a sunset beach. Keep everything else exactly the same.", files=["/path/to/image.png"])

Analyze file:

gemini_upload_file(file_path="/path/to/doc.pdf", prompt="Summarize key points")

Analyze URL/YouTube:

gemini_analyze_url(url="https://youtube.com/watch?v=...", prompt="Summarize this video")

Key Facts

  • Images saved to ~/Pictures/gemini/ as PNG, 2x upscaled resolution
  • Watermark auto-removed (built-in, no extra dependencies)
  • Include "16:9" or "9:16" in prompt for non-square aspect ratios
  • Do NOT specify model for image generation — server picks the best one automatically
  • Auth errors: call gemini_reset to refresh cookies
  • Models and full parameter reference: see tools.md

Signals

GitHub stars
54
Forks
24
Last commit
Jun 2026
Advanced
Catalog kind
skill
Gateway key
gemini-mcp
Source
github.com/andyshaman/gemini-webapi-mcp