Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
verbatim-mcp
MCP server for the Verbatim platform — collection-aware paper search and RAG
GTMMCPs GTM Research
Read-only, sourced and dated research on GTM software and its MCP servers.
dev.agentstock/agentstock
License-clean AI stock images and video for agents: semantic search, browse, and x402 purchase.
Ahrefs
Official Ahrefs MCP server. Access SEO data, including backlinks, keywords, and competitor research.
Sec Edgar Filings MCP
SEC EDGAR filings, full-text search & XBRL financial facts
com.agentstackdata/agentstack
Verified AI-agent tool catalog with pricing: search, voice, MCP, automation and data APIs.
WorldEye
Search WorldEye's rights-cleared public camera catalogue and the USGS earthquake feed. Read-only.
Roster
Hire AI agents with distinct personalities for writing, marketing, research, legal and more.
Recl
Search, read and review your saved videos, links and notes; save links and ask your library.
zra-mcp
AI-powered Zotero research assistant — a standalone MCP server with 36 tools for literature search, bilingual retrieval, reading analysis, citation management, and review writing.
Flux LinkedIn MCP
LinkedIn intelligence: post analytics and research for public profiles and company pages.
ImmunoGraph MCP
Provenance-aware computational epitope research tools with reproducible offline demonstrations.
mnestic-mcp
Local memory MCP server backed by mnestic — hybrid BM25+vector+graph recall with per-leg attribution and time travel, all on your machine.
research-papers-mcp
MCP server for research paper discovery, citation analysis, and trend detection across arXiv, PubMed, and Semantic Scholar
AppClimb
App Store keyword research: Apple popularity, difficulty with evidence, verdicts and app rankings.
io.github.Kromatic-Innovation/krobot
Test demand and willingness to pay before you build; decide whether to keep funding, change or stop.
KissMySkills
Search a catalog of AI skills and load one into your chat; small AI CRM board. OAuth sign-in.
Stein Investments
REVDEN's classified market state, empirical economic calendar, research register, AlgoCheck reviews.
mcp-server-interview-rag
MCP server for AI Agent interview simulation with RAG knowledge base
@homeostat/mcp
The homeostat team knowledge base as an MCP server, run locally on your own clone.
@relvo/mcp
Relvo stdio MCP server for research, SEO, social data and media generation.
re-library-mcp
MCP server for the RE-Library knowledge base — search and retrieve Reverse Engineering entries from any MCP-compatible client.
io.github.mrfentmen/ror-mcp
ROR: search 110k+ research organizations by name, country and type with stable ids - keyless.
Paragrafiq
Czech law research with citations: statutes by date, court decisions, explanatory reports.