Gelbooru FAQs

Question 1

Do I need a Gelbooru API key to use this tool?

Accepted Answer

While optional, using a Gelbooru API key and User ID is strongly recommended. Unauthenticated requests are throttled and limited, whereas authenticated users, especially Patreon supporters, receive unlimited request capabilities.

Question 2

What are the benefits of its MCP compatibility?

Accepted Answer

MCP compatibility allows seamless integration with AI assistants. You can prompt your AI to generate character-specific Stable Diffusion prompts, find high-quality images, or look up tag popularity—all without leaving your AI client.

Question 3

What is Gelbooru MCP?

Accepted Answer

Gelbooru MCP is a Python server that connects to the Gelbooru API, making its extensive data accessible via the Model Context Protocol (MCP). This allows AI assistants (like Claude Desktop) to interact directly with Gelbooru for various tasks.

Question 4

How does Gelbooru MCP help generate Stable Diffusion prompts?

Accepted Answer

It automatically generates accurate Stable Diffusion prompts by analyzing character tag frequencies from real Gelbooru data. It provides detailed breakdowns of eye, hair, and clothing/accessory tags, creating a ready-to-use prompt string.

Question 5

Can I use Gelbooru MCP to search for posts and tags?

Accepted Answer

Yes, it offers advanced post and tag search capabilities, supporting the full Gelbooru tag syntax, filters (score, resolution, rating), and meta-tags. You can also efficiently look up tags, verify post counts, and discover related tags.

Gelbooru

Gelbooru

Key Features

Use Cases

Key Features

Use Cases