Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| OPENROUTER_MODEL | No | The OpenRouter model to use for image captioning | google/gemini-2.5-flash |
| OPENROUTER_API_KEY | Yes | Your OpenRouter API key (required for OpenRouter backend) |
Schema
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| caption_image | - |
| alt_text | - |
| dense_caption | - |
| image_metadata | - |