ranked · Data & search

Best Data & search harnesses for AI agents

The most-adopted Data & search harnesses an AI agent can use, ranked by GitHub stars, with what each is best for. Loadbay is an MCP server, so an agent can pull this list live:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp
  1. 1. markitdown 155,123★ · Python
    Most adopted — the default starting point. Best for LLM. Python tool that converts Office documents, PDFs, and other files to Markdown for LLM ingestion.
  2. 2. Firecrawl 134,000★ · TypeScript
    Best for Web. Search, scrape, and crawl the web at scale and get clean, structured content. The data layer behind a lot of agents.
  3. 3. worldmonitor 84,638★ ·
    Best for Claude, Cursor, Ollama. Real-time global intelligence platform exposing AI-curated news, geopolitical monitoring, and infrastructure tracking via an MCP server, REST API, and SDKs. Agents can query the Country Instability Index, cross-stream correlations, and finance radar programmatically.
  4. 4. RAGFlow 83,000★ · Python
    Best for Elasticsearch, OpenAI, Ollama. Open-source RAG engine built on deep document understanding, with grounded citations and an end-to-end retrieval pipeline.
  5. 5. Scrapling 74,724★ ·
    Best for Playwright, Stealth Chrome, CSS selectors. An adaptive web scraping MCP server that lets AI agents extract targeted content from dynamic websites with stealth browser capabilities. Exposes HTML parsing, CSS/XPath selector extraction, browser session management, and screenshot capture as MCP tools.
  6. 6. crawl4ai 68,744★ · Python
    Best for Playwright. Open-source LLM-friendly web crawler and scraper that outputs clean markdown and structured data for agents.
  7. 7. MinerU 67,000★ · Python
    Best for LlamaIndex, LangChain. Converts PDFs and documents into machine-readable Markdown and JSON, extracting formulas, tables, and reading order for RAG.
  8. 8. TrendRadar 62,185★ ·
    Best for WeChat, Feishu, Telegram. AI-driven news and trend aggregator with MCP integration — agents query aggregated multi-platform hot topics, RSS feeds, and LLM-analyzed news briefings via natural language.
  9. 9. Scrapy 62,000★ · Python
    Best for Playwright. Fast asynchronous Python framework for large-scale web crawling and structured data extraction.
  10. 10. docling 61,748★ · Python
    Best for Hugging Face. Document parsing and ingestion toolkit that converts PDFs, Office files, and images into structured data for gen AI.

All 89 Data & search harnesses · Browse Loadbay