Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
aws-events-mcp
AWS Events MCP Server - discover, search, and filter the public AWS Events catalog over the Model Context Protocol
sheets-finance-mcp
MCP server for SheetsFinance formula catalog — search, build, and describe spreadsheet formulas
igvf-catalog-mcp
MCP server for IGVF Catalog genomics knowledge graph
atomno-mcp-egrul
MCP server for Russian EGRUL / EGRIP lookups via ФНС open-data (search, cards, founders, director, bulk).
kb-mcp-lite
Lightweight agent-native knowledge base. SQLite + FTS5 + vec0 + MCP server.
@astrivya/memnoth-mcp
memnoth MCP server — Model Context Protocol server for memnoth memory. Name reservation placeholder.
helix-mcp
Clinical evidence synthesis MCP server — ClinicalTrials.gov, PubMed, and openFDA in one call
MiniRAG
Lightweight self-hosted RAG knowledge base with hybrid retrieval and cited answers.
essencescholar-mcp
MCP server exposing EssenceScholar deep research and paper workflows as agent tools
Oliver's mTOR Atlas
Evidence-labelled mTOR research: studies, entities, pathway claims, contradictions, open questions.
@iflow-mcp/mcp-memory-domain-knowledge
MCP server for enabling memory for Claude through a knowledge graph
grafio-mcp
Structural code knowledge graph for AI coding assistants — impact analysis, cross-service flows, and symbol search via MCP
Stock Trends Market Intelligence
Equity trend, relative-strength, expected-return, market-context, and research resources for agents.
gemini-deepsearch-mcp
Gemini DeepSearch MCP - Automated research agent with Google Gemini models
mcp-genelab
MCP server for querying the NASA GeneLab Knowledge Graph with specialist tools for differential gene expression, DNA methylation, and organism abundance analyses (per-assay and cross-assay), plus DE/DM overlap detection, volcano and Venn plotting, session-scoped resource-based plot delivery, and ALB health/usage-metrics endpoints for shared-process (ECS Fargate) deployment.
@z503722728/memorymesh
An MCP server that uses a knowledge graph to store and recall structured memory for AI models
hippocampus-memory-mcp
MCP-compliant server for persistent hippocampus-style memory management with semantic search
genshin-bwiki-mcp
Read-only MCP server for searching and reading the Genshin Impact Bwiki.
@plugix/mcp-zendesk
MCP Server for Zendesk - Ticket Management, Knowledge Base, Support Automation
@adamwattis/onyx-mcp-server
Model Context Protocol (MCP) server for seamless integration with Onyx AI knowledge bases
leeroopedia-mcp
MCP server for Leeroopedia ML/AI knowledge search
pulselink-mcp
PulseLink — keyless open-web & social research source (MCP Server)
Zearch
Research with answers you can check: every paragraph verified against its cited source.
reading-plus-ai/mcp-server-deep-research
- MCP server providing OpenAI/Perplexity-like autonomous deep research, structured query elaboration, and concise reporting.