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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
VISION_API_KEYYesAPI key for the OpenAI-compatible endpoint
VISION_BASE_URLNoOpenAI-compatible base URLhttps://api.openai.com/v1
VISION_CACHE_DIRNoCache directory (when enabled)<tmp>/agent-vision-cache
VISION_MAX_TOKENSNoOutput token budget16384
VISION_MODEL_NAMENoThe vision model, e.g. Qwen3.6-35B-A3Bgpt-4o
VISION_TIMEOUT_MSNoPer-request client timeout300000
VISION_MAX_RETRIESNoRetries for empty / 5xx / 429 / network errors3
VISION_CACHE_ENABLEDNoOptional disk response cachefalse
VISION_MAX_IMAGE_SIZENoMax image bytes (20 MB)20971520

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": true
}

Tools

Functions exposed to the LLM to take actions

NameDescription
analyze_imageA

Analyze an image with a vision AI model, giving a non-vision main model the ability to "see" image content. Call this when the user sends an image, or when you need to understand an image (describe it, OCR text, identify UI elements, read charts, etc.). The image can be provided as a base64 data URL, an HTTP(S) link, or a local file path.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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