Search & Knowledge MCP Servers

Search engines, RAG, knowledge graphs, memory

2,686 servers

@ni-c/wikijs-mcp

58
npx

MCP server for Wiki.js: search, read and edit pages, and manage assets, users, groups and comments

3 43/wk

io.seaworthy/mcp

58
Remote MCP-UI

Disability insurance MCP server with occupation-based estimates, research, and quote requests.

3

server-noonien

58
npx

Shared, serverless, conflict-free memory for AI agents — a multi-machine drop-in for the MCP memory knowledge graph.

2

Santismm Knowledge — Harness Engineering, Agentic AI & Governance

58
Remote

Query core AI knowledge, essays, executable Labs, Homeric data and epistemic claims.

1

@atomicmemory/mcp-server

57
npx

MCP server exposing AtomicMemory's ingest / search / package tools to any MCP-compatible agent.

160 57/wk

DeepMem

57
Remote

Mem0-compatible persistent memory for AI agents: write facts once, recall them semantically.

114

Vouch

57
uvx

Git-native, review-gated knowledge base for LLM agents. Cited retrieval, audited writes.

64

openalex-research-mcp

57
npx

MCP server for OpenAlex API - enabling literature review and research landscaping

29 192/wk

Connapse

57
Docker

Self-hosted knowledge backend for AI agents with hybrid search and MCP tools

21

Engram

57
Remote

Persistent memory for AI agents — verbatim conversations, searchable by meaning.

19

Yandex Wordstat MCP

57
npx Auth Required

MCP server for Yandex Wordstat API — keyword research for Russian/CIS markets

19

Engram

57
Remote

Persistent, verbatim, searchable memory for AI assistants — one memory across every MCP client.

19

Octobrain

57
npx

Persistent memory for AI assistants with semantic search and knowledge graph relationships.

15

ai.buywhere/catalog-api

57
Remote

Agent-native product catalog: 300M+ products across US+SEA. Search, compare, deals.

2

5ire

56
Manual

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 .

5,245

deep-research

56
Manual

Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server.

4,611

DeusData/codebase-memory-mcp

56
Manual

[![DeusData/codebase-memory-mcp MCP server](https://glama.ai/mcp/servers/DeusData/codebase-memory-mcp/badges/score.svg)](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`

3,768

Nimrod

56
Remote Auth Required

Web search with quality scores; web pages are read on your computer by the local server.

258

com.apple-rag/mcp-server

56
Remote

Apple developer docs and WWDC transcripts with RAG retrieval and Jev relevance ranking.

121

Sense

56

Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.

42

M3 Memory

56
uvx

Local-first, cloud-friendly memory — 100+ tools, 99.2% LongMemEval-S retrieval@8, hybrid search.

30

LastSearch

56
npx Auth Required

Evidence-backed web research for AI agents with citations and confidence scores.

20

Synapse Layer — Trust Infrastructure for AI Agents

56
Remote

MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.

13

Financial Evidence Workspace

56
Remote

Read-only cited financial datasets, bounded research queries and source diagnostics.

1
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