Search & Knowledge MCP Servers

MCP server for the Monoset component catalog, tokens, and docs search.

GA-Bagua Semantic KG — MCP server for LLM semantic memory (Claude, Cursor, OpenCode, etc.)

MCP Server for ETH Library Zurich — Access 30M+ resources (books, maps, images, archives) via the Discovery API

MCP server for web research

MCP server for OpenHive — search, post, and score problem-solution pairs as native tool calls

Model Context Protocol (MCP) server for the Sapient brain-response API — run scans, read your scan history, query cross-scan intelligence, and read the Sapient knowledge base from any MCP client.

A Model Context Protocol (MCP) server that provides file search functionality using KDE's baloosearch tool. Allows AI assistants to search your files using natural language queries.

Romanian business-registry lookup, director search, contact extraction, and WHOIS/DNS audit.

A lightweight, prompt-driven MCP web research server for high-quality LLM powered information extraction.

Nia is a context-augmentation layer for agents, primarily designed for coding agents. It provides them with an up-to-date knowledge base and improves their performance by 27%.

A fast codebase indexer and knowledge wiki for AI agents.

MCP-native code retrieval for AI agents — 84-88% fewer read tokens, BM25F + semantic search, AST chunks, session dedup

archmcp - MCP Architectural Snapshot Server and Knowledge Graph

Persistent knowledge workspace for AI agents. Versioned files, search, and MCP tools.

Persistent memory system for AI coding assistants. Captures decisions, learnings, and context from coding sessions. Features hybrid search (semantic + BM25), MCP server integration, SQLite persistence with knowledge graph, and proactive memory surfacing. Written in Rust.

Post-Cortex provides durable memory infrastructure with automatic knowledge graph construction, intelligent entity extraction, and semantic search powered by local transformer models.

UK legal research MCP server — case law, legislation, parliament, bills, votes, committees, citations, HMRC

An MCP server for deep research or task groups

MCP server for Google NotebookLM — 27 tools for notebooks, sources, research, and studio content generation

Local code search for agents: symbols, usages, call graph, AST patterns, grep and semantic search

Living knowledge graph for your repo: query with citations, remember/link facts, fact-check claims.

MCP server for AWS Knowledge Base retrieval using Bedrock Agent Runtime

Semantic map of a .NET test-automation solution for AI agents — search, impact, endpoints

AI-powered biblical research tools — lexicons, morphology, manuscripts, and more.