Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,686 servers
@ni-c/wikijs-mcp
MCP server for Wiki.js: search, read and edit pages, and manage assets, users, groups and comments
io.seaworthy/mcp
Disability insurance MCP server with occupation-based estimates, research, and quote requests.
server-noonien
Shared, serverless, conflict-free memory for AI agents — a multi-machine drop-in for the MCP memory knowledge graph.
Santismm Knowledge — Harness Engineering, Agentic AI & Governance
Query core AI knowledge, essays, executable Labs, Homeric data and epistemic claims.
@atomicmemory/mcp-server
MCP server exposing AtomicMemory's ingest / search / package tools to any MCP-compatible agent.
DeepMem
Mem0-compatible persistent memory for AI agents: write facts once, recall them semantically.
Vouch
Git-native, review-gated knowledge base for LLM agents. Cited retrieval, audited writes.
openalex-research-mcp
MCP server for OpenAlex API - enabling literature review and research landscaping
Connapse
Self-hosted knowledge backend for AI agents with hybrid search and MCP tools
Engram
Persistent memory for AI agents — verbatim conversations, searchable by meaning.
Yandex Wordstat MCP
MCP server for Yandex Wordstat API — keyword research for Russian/CIS markets
Engram
Persistent, verbatim, searchable memory for AI assistants — one memory across every MCP client.
Octobrain
Persistent memory for AI assistants with semantic search and knowledge graph relationships.
ai.buywhere/catalog-api
Agent-native product catalog: 300M+ products across US+SEA. Search, compare, deals.
5ire
5ire is a cross-platform desktop AI assistant, MCP client. It compatible with major service providers, supports local knowledge base and tools via model context protocol servers .
deep-research
Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server.
DeusData/codebase-memory-mcp
[](https://glama.ai/mcp/servers/DeusData/codebase-memory-mcp) - Code-intelligence engine that indexes a repo into a persistent knowledge graph — functions, classes, call chains, HTTP routes, cross-service links. 159 languages via tree-sitter + Hybrid LSP, sub-ms structural queries, ~99% fewer tokens than grep. Single static binary, zero dependencies, 100% local. `npx codebase-memory-mcp`
Nimrod
Web search with quality scores; web pages are read on your computer by the local server.
com.apple-rag/mcp-server
Apple developer docs and WWDC transcripts with RAG retrieval and Jev relevance ranking.
Sense
Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.
M3 Memory
Local-first, cloud-friendly memory — 100+ tools, 99.2% LongMemEval-S retrieval@8, hybrid search.
LastSearch
Evidence-backed web research for AI agents with citations and confidence scores.
Synapse Layer — Trust Infrastructure for AI Agents
MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.
Financial Evidence Workspace
Read-only cited financial datasets, bounded research queries and source diagnostics.