Search & Knowledge MCP Servers

Keyless Liquipedia esports wiki: search, articles, changes, categories, backlinks.

Self-evolving memory system for AI agents with semantic search and knowledge graph capabilities. Includes MCP server for Claude and other AI assistants.

Interactive CLI to set up Claude persistent memory via iCloud — knowledge graph + deep context archive with semantic search, powered by MCP

Query URLhaus: recent malicious URLs, URL lookup, payload lookup by SHA256, tag search.

A Model Context Protocol server with Exa for web search, academic paper search, and Twitter/X.com search. Provides real-time web searches with configurable tool selection, allowing users to enable or disable specific search capabilities. Supports customiz

FOSSIL MCP server — semantic failure memory for AI agents

Agent Memory MCP Server — persistent semantic memory and session continuity for AI agents

Lightweight memory MCP server with hybrid FTS + vector search

A stateless semantic MCP server for the Old School RuneScape Wiki

Agent coordination MCP server and Claude Code plugin — shared blackboard, decision tracking, and context assembly

Model Context Protocol (MCP) Server for LexMCP with Typesense integration

CartOn - Cartographic knowledge graph mapping for concept networks

MCP server for Satori with agent-safe semantic search and indexing

MCP Server with SQLite-backed knowledge graph memory

- Apple Notes MCP with semantic search, hybrid vector+keyword search, full CRUD operations, and incremental indexing. Uses JXA for native macOS integration.

Query Censys Search: host lookup by IP and host search with the Censys query language.

MCP (Model Context Protocol) server for Open Notebook — access research notebooks, sources, notes and search via any MCP client (Claude Desktop, VS Code, etc.)

Model Context Protocol (MCP) server for seamless integration with Onyx AI knowledge bases

CodeKB Search MCP Server — AI Agent 代码知识库检索服务

Search, read and pull the source of complete coded design products from the Orvio catalog.

MCP server for PDF extraction

MCP server for the AVEQ Surfmeter management API

Find lab-report identities and clinical research with dated sources and evidence limitations.

Search relay guides, retrieve synthetic fixtures, and validate example rows.