Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
Ncbi Datasets
NCBI Datasets — the US National Library of Medicine's genome, gene and taxonomy reference service…
@lojban/semantic-search-mcp
Local-first MCP server for semantic search using transformers.js and SQLite
get_notebook_mcp_server
MCP server for Get Notes API integration with multi-knowledge base support
@frogiui/mcp-server
FrogiUI Model Context Protocol server for AI-powered component discovery with Claude
delphi-mcp-server
MCP server for Delphi development — VCL, FMX, RTL knowledge base, code generation, and project analysis
mcp-kagi-search
MCP server for integrating Kagi search API with LLMs
aletheia-mcp
MCP server for scientific literature research. Search 250M+ papers, traverse citation graphs, and extract full text — powered by OpenAlex.
@autousers/mcp
Official MCP server for Autousers — UX evaluation, calibrated AI personas, side-by-side design review.
@aiet/mcp-server
Local-first Model Context Protocol (MCP) server for Personal AI Knowledge Base (PAKB)
@mb4it/bitrix-mcp
Local MCP server for Bitrix Framework references, LiveAPI indexing, and semantic documentation search.
Nitrino
AI sales agent: finds B2B buyers, researches each one, writes from your accounts, books meetings
pubmed-search-mcp
MCP SDK v2 server for PubMed and multi-source biomedical literature research
review-miner-mcp
MCP server that mines App Store and Steam reviews so your AI can find what users hate about competitors. No API keys.
codebaxing
MCP server for semantic code search. Index your codebase and search using natural language.
seo-tools-mcp-wordstat
MCP server for Yandex Wordstat keyword frequencies (official API v2)
paperflow-mcp
PaperFlow MCP Server — 让 agent 调用论文分析能力
prioris-mcp
A model context protocol (MCP) server to facilitate looking up and discussing prior art.
dtrpg-mcp
MCP server exposing DriveThruRPG product search (library and catalog) as a tool
chinese-corpus-mcp
中华版本语料库平台官方 MCP Server（Python 版）— chunk_search / deep_research / book_search（默认一把 API Key，数据集在平台后台切换）
Plos
PLOS Search MCP — Solr-backed search over all PLOS journals.
@monoset/mcp-server
MCP server for the Monoset component catalog, tokens, and docs search.
@lishenxydlgzs/simple-files-vectorstore
A Model Context Protocol (MCP) server that provides semantic search capabilities across files. This server watches specified directories and creates vector embeddings of file contents, enabling semantic search across your documents.
@youzhijc/overleaf-paper-mcp
MCP server for writing, editing, compiling, and downloading academic LaTeX papers in Overleaf
ETF Research
ETF quotes, performance and comparisons, plus every holding and fund overlap from SEC N-PORT.