# Search and research MCP servers online

Check the source documentation for each connection.

6 MCP servers. Also on the [web page](https://mcpdirectory.fyi/in/global/online/category/search-research).

## MCP servers

1. [CogniRepo](https://mcpdirectory.fyi/in/global/online/cognirepo.md), Developer tools, Online: FAISS, call graph, AST, BM25 — 34 MCP tools for AI agents. 50-80% token reduction. Offline.
2. [HackTricks MCP Server](https://mcpdirectory.fyi/in/global/online/hacktricks-mcp-server.md), Security, Online: Search and query HackTricks pentesting documentation with quick lookup and section extraction
3. [Linkedin Mcp](https://mcpdirectory.fyi/in/global/online/linkedin-mcp.md), Sales and marketing, Online: Unofficial local LinkedIn research and opt-in alpha writes; live compatibility is unverified.
4. [obsei](https://mcpdirectory.fyi/in/global/online/obsei.md), Sales and marketing, Online: Self-hosted customer feedback with PII stripped at ingest: search, stats and themes with citations.
5. [Reddit Mcp Buddy](https://mcpdirectory.fyi/in/global/online/reddit-mcp-buddy.md), Search and research, Online: Reddit browser for AI assistants. Browse without API keys; add credentials for search and analysis.
6. [Devdocs Mcp](https://mcpdirectory.fyi/in/global/online/devdocs-mcp.md), Developer tools, Online: Local DevDocs MCP Server (Developer Docs with project specific context awareness)

## Other categories in Online

- [Developer tools](https://mcpdirectory.fyi/in/global/online/category/developer-tools.md): 29 MCP servers
- [Knowledge and memory](https://mcpdirectory.fyi/in/global/online/category/knowledge-memory.md): 9 MCP servers
- [Security](https://mcpdirectory.fyi/in/global/online/category/security.md): 9 MCP servers
- [Data and databases](https://mcpdirectory.fyi/in/global/online/category/data-databases.md): 6 MCP servers
- [Sales and marketing](https://mcpdirectory.fyi/in/global/online/category/sales-marketing.md): 6 MCP servers
- [Other tools](https://mcpdirectory.fyi/in/global/online/category/other-tools.md): 5 MCP servers
- [Cloud and DevOps](https://mcpdirectory.fyi/in/global/online/category/cloud-devops.md): 4 MCP servers
- [Finance and crypto](https://mcpdirectory.fyi/in/global/online/category/finance-crypto.md): 3 MCP servers
- [Productivity and collaboration](https://mcpdirectory.fyi/in/global/online/category/productivity-collaboration.md): 3 MCP servers
- [Ecommerce](https://mcpdirectory.fyi/in/global/online/category/ecommerce.md): 2 MCP servers
- [AI and media generation](https://mcpdirectory.fyi/in/global/online/category/ai-media-generation.md): 1 MCP server
- [Web and browser automation](https://mcpdirectory.fyi/in/global/online/category/web-browser-automation.md): 1 MCP server