Jina AI
Read any URL as clean markdown by prepending r.jina.ai/ — plus neural search, embeddings, and 19 MCP tools.
About
Jina AI offers the simplest possible web access for AI agents: prepend r.jina.ai/ to any URL and get back clean, LLM-friendly markdown. No API key needed, no setup, no SDK — just an HTTP GET request. For search, prepend s.jina.ai/ to a query and get the top 5 results already converted to markdown. This zero-friction approach has made Jina's Reader API one of the most widely adopted tools in the agent ecosystem, with over 10K GitHub stars.
Beyond the URL-prefix shortcuts, Jina provides world-class embeddings (multilingual, multimodal) and a reranker for maximizing search relevancy in RAG pipelines. Their official MCP server exposes 19 tools spanning web access, academic research (ArXiv and SSRN paper search with BibTeX citations), image search, PDF extraction with layout detection, parallel operations for concurrent search/read, and semantic deduplication. Tool filtering via query parameters lets agents load only the tools they need to conserve context window space.
The free trial includes 10 million tokens with no signup required — one of the most generous free tiers in the space. Paid API keys unlock higher rate limits (500 RPM vs 20 RPM free). SOC 2 Type 1 & 2 compliant.