Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| JINA_API_KEY | No | Your Jina API key for accessing Jina Reader, Embeddings and Reranker APIs. Optional for some tools but required for higher rate limits and better performance. You can get a free API key from https://jina.ai |
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 |
|---|---|
| show_api_key | Return the bearer token from the Authorization header of the MCP settings, which is used to debug. |
| capture_screenshot_url | Capture high-quality screenshots of web pages. Use this tool when you need to visually inspect a website, take a snapshot for analysis, or show users what a webpage looks like. Returns the screenshot as a base64-encoded PNG image that can be displayed directly. |
| read_url | Extract and convert web page content to clean, readable markdown format. Perfect for reading articles, documentation, blog posts, or any web content. Use this when you need to analyze text content from websites, bypass paywalls, or get structured data. Returns clean markdown text plus optional metadata like links and images. |
| search_web | Search the entire web for current information, news, articles, and websites. Use this when you need up-to-date information, want to find specific websites, research topics, or get the latest news. Ideal for answering questions about recent events, finding resources, or discovering relevant content. Returns structured search results with URLs, titles, and content snippets. |
| search_arxiv | Search academic papers and preprints on arXiv repository. Perfect for finding research papers, scientific studies, technical papers, and academic literature. Use this when researching scientific topics, looking for papers by specific authors, or finding the latest research in fields like AI, physics, mathematics, computer science, etc. Returns academic papers with URLs, titles, abstracts, and metadata. |
| search_image | Search for images across the web, similar to Google Images. Use this when you need to find photos, illustrations, diagrams, charts, logos, or any visual content. Perfect for finding images to illustrate concepts, locating specific pictures, or discovering visual resources. Returns image search results with URLs, titles, descriptions, and image metadata. |
| sort_by_relevance | Rerank a list of documents by relevance to a query using Jina Reranker API. Use this when you have multiple documents and want to sort them by how well they match a specific query or topic. Perfect for document retrieval, content filtering, or finding the most relevant information from a collection. Returns documents sorted by relevance score. |
| deduplicate_strings | Get top-k semantically unique strings from a list using Jina embeddings and submodular optimization. Use this when you have many similar strings and want to select the most diverse subset that covers the semantic space. Perfect for removing duplicates, selecting representative samples, or finding diverse content. Returns the selected strings with their indices. |
| deduplicate_images | Get top-k semantically unique images (URLs or base64-encoded) using Jina CLIP v2 embeddings and submodular optimization. Use this when you have many visually similar images and want the most diverse subset. Returns selected images as PNG base64-encoded images. |