Search & Retrieval MCP Servers
Web search, vector search, and RAG retrieval backends.
Search & Retrieval MCP servers compared
We graded 16 servers in this category: 3 graded A, 6 graded B, 6 graded C and 1 graded D.
The highest grade here is A, held by Exa MCP, Perplexity MCP Server and Tavily MCP. Every grade comes from the same four public checks: how it signs in, how actively it is maintained, known security bugs, and how it connects.
| Server | Category | Auth | Grade | Checks | Community | Updated |
|---|---|---|---|---|---|---|
| Exa MCP Exa | Search & Retrieval | optional | A | 3/4 | 4.2 (18) | 2026-11 |
| Perplexity MCP Server Perplexity | Search & Retrieval | yes | A | 3/4 | 4.4 (11) | 2026-10 |
| Tavily MCP Tavily | Search & Retrieval | optional | A | 3/4 | 4.6 (5) | 2026-10 |
| Firecrawl MCP Server Firecrawl | Search & Retrieval | optional | B | 2/4 | 4.1 (19) | 2026-10 |
| LawDB MCP Server LawDB | Search & Retrieval | yes | B | 2/4 | 3.8 (10) | 2026-11 |
| Panda Public Funding Tools Panda Federation | Search & Retrieval | yes | B | 1/4 | 2026-11 | |
| Panda Research Tools Panda Federation | Search & Retrieval | yes | B | 1/4 | 2026-11 | |
| Product Hunt MCP Server Product Hunt | Search & Retrieval | yes | B | 2/4 | 2026-11 | |
| SearXNG MCP Server Community | Search & Retrieval | optional | B | 2/4 | 3.5 (11) | 2026-11 |
| Brave Search MCP Server Brave | Search & Retrieval | optional | C | 2/4 | 3.6 (10) | 2026-11 |
| InkRoom Prompts MCP Server InkRoom | Search & Retrieval | no | C | 1/4 | 3.4 (17) | 2026-10 |
| Pexels MCP Server (mcp-pexels) Community | Search & Retrieval | yes | C | 1/4 | 3.4 (16) | 2026-05 |
| Redstone Markets MCP Server Redstone Markets | Search & Retrieval | no | C | 2/4 | 2026-11 | |
| SerpApi MCP Server SerpApi | Search & Retrieval | yes | C | 2/4 | 3.9 (7) | 2026-11 |
| SoldFetch MCP Server SoldFetch | Search & Retrieval | yes | C | 2/4 | 3.8 (12) | 2026-10 |
| DuckDuckGo MCP Server Community | Search & Retrieval | no | D | 1/4 | 2.4 (17) | 2026-09 |
How to choose between Search & Retrieval MCP servers
- Start with sign-in. 13 of 16 here support a login. Without one, anything that can start the server gets everything it can reach.
- Check for open security bugs. 2 servers here have open advisories: Firecrawl MCP Server and Brave Search MCP Server. Read the listing before you install.
- Remote or local. 13 of 16 can run remotely over HTTP; the rest run as a local process on your machine.
- Give it the least access it needs. Use read-only tokens or narrow scopes where the vendor offers them, and keep tool approval on for anything that writes.
Questions about Search & Retrieval MCP servers
Which Search & Retrieval MCP server is the safest?
By our grades, Exa MCP, Perplexity MCP Server and Tavily MCP score highest, with an A. A grade measures public trust signals, not a full audit, so still scope its access.
How are these MCP servers graded?
Each server gets one grade, A to D, from four public checks: sign-in, maintenance, known security bugs, and how it connects. A means strong signals; D means notable weaknesses to review closely.
Do any Search & Retrieval MCP servers have known vulnerabilities?
Yes: Firecrawl MCP Server (1 open) and Brave Search MCP Server (2 open). Each listing explains the issue and what to do.