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returns 402 with payment requirements until paid."}},{"slug":"qdrant","name":"qdrant","author":"qdrant","domain":"data","integrations":["Qdrant"],"language":"Rust","license":"Apache-2.0","stars":32404,"traits":["oss"],"summary":"High-performance, massive-scale vector database and vector search engine with REST and gRPC APIs.","repo":"https://github.com/qdrant/qdrant","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/qdrant","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"mcp-server-qdrant","name":"mcp-server-qdrant","author":"qdrant","domain":"data","integrations":["Qdrant"],"language":"Python","license":"Apache-2.0","stars":1436,"traits":["mcp","oss","keys"],"summary":"Official Qdrant MCP server exposing vector storage and semantic search as a memory layer for agents.","repo":"https://github.com/qdrant/mcp-server-qdrant","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/mcp-server-qdrant","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"chroma","name":"chroma","author":"chroma-core","domain":"data","integrations":["Chroma"],"language":"Rust","license":"Apache-2.0","stars":28460,"traits":["mcp","oss"],"summary":"Open-source embedding database and search infrastructure for building AI apps with retrieval and memory.","repo":"https://github.com/chroma-core/chroma","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/chroma","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"milvus","name":"milvus","author":"milvus-io","domain":"data","integrations":["Milvus"],"language":"Go","license":"Apache-2.0","stars":44821,"traits":["oss"],"summary":"High-performance, cloud-native vector database built for scalable vector ANN search over billions of vectors.","repo":"https://github.com/milvus-io/milvus","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/milvus","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"weaviate","name":"weaviate","author":"weaviate","domain":"data","integrations":["Weaviate"],"language":"Go","license":"BSD-3-Clause","stars":16340,"traits":["oss","keys"],"summary":"Open-source vector database storing objects and vectors, combining vector search with structured filtering.","repo":"https://github.com/weaviate/weaviate","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/weaviate","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"lancedb","name":"lancedb","author":"lancedb","domain":"data","integrations":["LanceDB"],"language":"Rust","license":"Apache-2.0","stars":10630,"traits":["oss"],"summary":"Developer-friendly embedded retrieval library and vector database for multimodal AI search.","repo":"https://github.com/lancedb/lancedb","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/lancedb","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"txtai","name":"txtai","author":"neuml","domain":"data","integrations":["Hugging Face"],"language":"Python","license":"Apache-2.0","stars":12668,"traits":["oss"],"summary":"All-in-one embeddings framework for semantic search, RAG, and language-model workflows over your own data.","repo":"https://github.com/neuml/txtai","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/txtai","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"tavily-mcp","name":"tavily-mcp","author":"tavily-ai","domain":"data","integrations":["Tavily"],"language":"JavaScript","license":"MIT","stars":2110,"traits":["mcp","oss","keys"],"summary":"Production MCP server giving agents real-time web search, extract, map, and crawl via the Tavily API.","repo":"https://github.com/tavily-ai/tavily-mcp","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/tavily-mcp","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"exa-mcp-server","name":"exa-mcp-server","author":"exa-labs","domain":"data","integrations":["Exa"],"language":"TypeScript","license":"MIT","stars":4588,"traits":["mcp","oss","keys"],"summary":"MCP server letting agents perform web search and crawling through the Exa neural search API.","repo":"https://github.com/exa-labs/exa-mcp-server","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/exa-mcp-server","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"searxng","name":"searxng","author":"searxng","domain":"data","integrations":["SearXNG"],"language":"Python","license":"AGPL-3.0","stars":32252,"traits":["oss"],"summary":"Free, self-hostable metasearch engine that aggregates results from many services without tracking users.","repo":"https://github.com/searxng/searxng","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/searxng","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"graphrag","name":"graphrag","author":"microsoft","domain":"data","integrations":["OpenAI","Azure"],"language":"Python","license":"MIT","stars":33815,"traits":["oss","keys"],"summary":"Modular graph-based retrieval-augmented generation system that builds knowledge graphs from documents for agent queries.","repo":"https://github.com/microsoft/graphrag","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/graphrag","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"docling","name":"docling","author":"docling-project","domain":"data","integrations":["Hugging Face"],"language":"Python","license":"MIT","stars":61748,"traits":["mcp","oss"],"summary":"Document parsing and ingestion toolkit that converts PDFs, Office files, and images into structured data for gen AI.","repo":"https://github.com/docling-project/docling","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/docling","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"hexstrike-ai","name":"hexstrike-ai","author":"0x4m4","domain":"data","integrations":["Nmap","Burp"],"language":"Python","license":"MIT","stars":9678,"traits":["mcp","oss"],"summary":"MCP server that lets AI agents autonomously run 150+ cybersecurity tools for pentesting, vuln discovery, and bug-bounty automation.","repo":"https://github.com/0x4m4/hexstrike-ai","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/hexstrike-ai","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"pentestgpt","name":"PentestGPT","author":"GreyDGL","domain":"data","integrations":["OpenAI","LangChain"],"language":"Python","license":"MIT","stars":13783,"traits":["oss","keys"],"summary":"Automated penetration-testing agentic framework powered by LLMs that guides and runs offensive-security workflows.","repo":"https://github.com/GreyDGL/PentestGPT","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/pentestgpt","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"ai-infra-guard","name":"AI-Infra-Guard","author":"Tencent","domain":"data","integrations":["MCP"],"language":"Python","license":"Apache-2.0","stars":3919,"traits":["oss","guard"],"summary":"Full-stack AI red-teaming platform for agent scan, MCP scan, AI infra scan, and LLM jailbreak evaluation.","repo":"https://github.com/Tencent/AI-Infra-Guard","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/ai-infra-guard","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"snyk-agent-scan","name":"agent-scan","author":"snyk","domain":"data","integrations":["MCP"],"language":"Python","license":"Apache-2.0","stars":2590,"traits":["oss","guard"],"summary":"Security scanner for AI agents, MCP servers, and agent skills that detects vulnerabilities and misconfigurations.","repo":"https://github.com/snyk/agent-scan","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/snyk-agent-scan","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"llama-index","name":"llama_index","author":"run-llama","domain":"data","integrations":["OpenAI","Anthropic"],"language":"Python","license":"MIT","stars":50197,"traits":["oss","keys"],"summary":"Data framework for building document agents and RAG pipelines that connect LLMs to private and external data sources.","repo":"https://github.com/run-llama/llama_index","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/llama-index","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"haystack","name":"haystack","author":"deepset-ai","domain":"data","integrations":["OpenAI"],"language":"Python","license":"Apache-2.0","stars":25592,"traits":["oss","keys"],"summary":"Orchestration framework for production LLM applications with modular pipelines for retrieval, RAG, and agent workflows.","repo":"https://github.com/deepset-ai/haystack","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/haystack","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"mcp-google-map","name":"mcp-google-map","author":"cablate","domain":"data","integrations":["Google Maps"],"language":"TypeScript","license":"MIT","stars":350,"traits":["mcp","oss","keys"],"summary":"MCP server for Google Maps including geocoding, place search, directions, and distance calculations.","repo":"https://github.com/cablate/mcp-google-map","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/mcp-google-map","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"brave-search-mcp-server","name":"brave-search-mcp-server","author":"brave","domain":"data","integrations":["Brave Search"],"language":"TypeScript","license":"MIT","stars":1197,"traits":["mcp","oss","keys"],"summary":"Official Brave Search MCP server providing web, image, video, news, and local search.","repo":"https://github.com/brave/brave-search-mcp-server","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/brave-search-mcp-server","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"perplexity-mcp","name":"modelcontextprotocol","author":"perplexityai","domain":"data","integrations":["Perplexity"],"language":"TypeScript","license":"MIT","stars":2315,"traits":["mcp","oss","keys"],"summary":"Official Perplexity MCP server that gives AI assistants web-wide search and answers through the Perplexity API.","repo":"https://github.com/perplexityai/modelcontextprotocol","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/perplexity-mcp","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"crawl4ai","name":"crawl4ai","author":"unclecode","domain":"data","integrations":["Playwright"],"language":"Python","license":"Apache-2.0","stars":68744,"traits":["oss"],"summary":"Open-source LLM-friendly web crawler and scraper that outputs clean markdown and structured data for agents.","repo":"https://github.com/unclecode/crawl4ai","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/crawl4ai","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"scrapegraph-ai","name":"Scrapegraph-ai","author":"ScrapeGraphAI","domain":"data","integrations":["LangChain"],"language":"Python","license":"MIT","stars":27293,"traits":["oss","keys"],"summary":"AI-powered Python scraper that uses LLMs and graph pipelines to extract data from websites and documents.","repo":"https://github.com/ScrapeGraphAI/Scrapegraph-ai","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/scrapegraph-ai","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"markitdown","name":"markitdown","author":"microsoft","domain":"data","integrations":["LLM"],"language":"Python","license":"MIT","stars":155123,"traits":["oss"],"summary":"Python tool that converts Office documents, PDFs, and other files to Markdown for LLM ingestion.","repo":"https://github.com/microsoft/markitdown","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/markitdown","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"unstructured","name":"unstructured","author":"Unstructured-IO","domain":"data","integrations":["LangChain","LlamaIndex"],"language":"Python","license":"Apache-2.0","stars":14955,"traits":["oss"],"summary":"Open-source ETL library that transforms complex documents into clean structured data for language models.","repo":"https://github.com/Unstructured-IO/unstructured","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/unstructured","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"firecrawl","name":"Firecrawl","author":"firecrawl","domain":"data","integrations":["Web"],"language":"TypeScript","license":"AGPL-3.0","stars":134000,"traits":["oss","keys"],"summary":"Search, scrape, and crawl the web at scale and get clean, structured content. 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returns 402 with payment requirements until paid."}},{"slug":"crawlee","name":"Crawlee","author":"apify","domain":"data","integrations":["Playwright","Puppeteer"],"language":"TypeScript","license":"Apache-2.0","stars":23800,"traits":["oss"],"summary":"Web scraping and browser-automation library (Node and Python) built to extract data for AI, LLMs, and RAG.","repo":"https://github.com/apify/crawlee","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/crawlee","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"mineru","name":"MinerU","author":"opendatalab","domain":"data","integrations":["LlamaIndex","LangChain"],"language":"Python","license":"AGPL-3.0","stars":67000,"traits":["oss"],"summary":"Converts PDFs and documents into machine-readable Markdown and JSON, extracting formulas, tables, and reading order for RAG.","repo":"https://github.com/opendatalab/MinerU","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/mineru","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"marker","name":"Marker","author":"datalab-to","domain":"data","integrations":["Surya OCR","LlamaIndex"],"language":"Python","license":"GPL-3.0","stars":36000,"traits":["oss"],"summary":"Fast, high-accuracy converter of PDF, EPUB, and docs to Markdown and JSON with table, equation, and layout handling.","repo":"https://github.com/datalab-to/marker","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/marker","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"meilisearch","name":"Meilisearch","author":"meilisearch","domain":"data","integrations":["LangChain","OpenAI"],"language":"Rust","license":"MIT","stars":58000,"traits":["oss"],"summary":"Fast, typo-tolerant open-source search engine with built-in hybrid keyword and vector/semantic search.","repo":"https://github.com/meilisearch/meilisearch","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/meilisearch","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"typesense","name":"Typesense","author":"typesense","domain":"data","integrations":["LangChain","OpenAI"],"language":"C++","license":"GPL-3.0","stars":26000,"traits":["oss"],"summary":"Open-source typo-tolerant search engine with native vector and hybrid semantic search, a lightweight retrieval backend.","repo":"https://github.com/typesense/typesense","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/typesense","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"anythingllm","name":"AnythingLLM","author":"Mintplex-Labs","domain":"data","integrations":["Ollama","OpenAI","LanceDB"],"language":"JavaScript","license":"MIT","stars":61000,"traits":["oss","mcp","keys"],"summary":"All-in-one app turning documents into a private RAG chatbot, bundling ingestion, vector storage, and retrieval; MCP-compatible.","repo":"https://github.com/Mintplex-Labs/anything-llm","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/anythingllm","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}},{"slug":"integuru","name":"Integuru","author":"Integuru-AI","domain":"data","integrations":["HTTP","Browser"],"language":"Python","license":"AGPL-3.0","stars":4620,"traits":["oss","keys"],"summary":"AI agent that reverse-engineers a platform's internal APIs from browser traffic to build permissionless integrations.","repo":"https://github.com/Integuru-AI/Integuru","community":false,"tip":{"method":"x402","network":"eip155:8453","endpoint":"/api/tip/integuru","note":"GET with an x402 client to tip the author; returns 402 with payment requirements until paid."}}]}