Search & Knowledge MCP Servers

MCP server for web research

MCP server for enabling memory for Claude through a knowledge graph

A TypeScript MCP server for document management and semantic search with embeddings

- A fully-featured coding agent that relies on symbolic code operations by using language servers.

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 .

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

[](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`

[](https://glama.ai/mcp/servers/Beever-AI/beever-atlas) - Open-source LLM knowledge base for teams. 28-tool native MCP server turns Slack/Discord/Teams/Mattermost chat into a typed knowledge graph + auto-generated wiki with cited answers, semantic search, expert finding, and decision tracing. BYO LLM via LiteLLM, Apache 2.0, on-prem via Docker.

Shared context, memory, and task coordination across AI coding agents. Single Go binary, local SQLite, hybrid keyword and semantic search.

A metasearch library that aggregates results from diverse web search services

The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more.

Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.

MCP server for searching Google Flights — flight search, date grid pricing, and airport lookup

Local MCP server for .upg files. Read and write product knowledge graphs offline.

Core interfaces and reference storage adapters for the ggui MCP server — UiGenerator, GguiSessionStore, BlueprintProvider, AuthAdapter, plus in-memory and SQLite implementations. The pluggable seam layer @ggui-ai/mcp-server is built on.

Model Context Protocol (MCP) server for Smithsonian Open Access collections

Model Context Protocol (MCP) server for LightRAG - 30 fully working tools with complete RAG and Knowledge Graph integration

MCP server for persistent AI memory - store and recall context across sessions

MCP server for Velixar persistent cognitive context — memory, identity, graph, time, and contradiction for LLMs

MCP server for TheBrain 15 — semantic operations over the local API

Model Context Protocol server for tokenized real-world-asset research on Solana: live on-chain checks, market signals, and the published Metis research corpus.

A Model Context Protocol (MCP) server that provides access to the OpenAlex API - a fully open catalog of the global research system covering over 240 million scholarly works.

MCP Server for AI Agent Memory - Neural network-like memory system with keyword-based search

Core MCP server library — tools, state engine, and analysis for context-first conversation management