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Best Knowledge AI Skills & MCP Servers

136 curated Knowledge skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Bypass

MCP Registry

MCP server for bypass-saas platform management — courses, articles, students, orders, knowledge bases, AI chat

MCP Registry · ★ 5.0free

Mcp

MCP Registry

DEPRECATED — install the Claude Code plugin at gramatr/claude-plugin instead. This npm package no longer ships a CLI; Codex and Gemini integrations are paused pending HTTPS+OAuth MCP support.

MCP Registry · ★ 5.0free

Agent Zone

MCP Registry

MCP server for Agent Zone — infrastructure knowledge for AI agents

MCP Registry · ★ 5.0free

Stifler Memex

MCP Registry

Developer context continuity system — temporal knowledge graph for AI coding agents via MCP. Inspired by Vannevar Bush's 1945 concept of a machine that remembers everything.

MCP Registry · ★ 5.0free

Nex

MCP Registry

Nex CLI provides organizational context & memory to AI agents. Connect email, CRM, Slack, meetings, and 100+ tools into one knowledge graph. Delegates to the nex-cli binary.

MCP Registry · ★ 5.0free

Codex Memory

MCP Registry

Local persistent memory for Codex agents that captures, searches, and reuses project knowledge.

MCP Registry · ★ 5.0free

Prior

MCP Registry

MCP server for Prior — the knowledge exchange for AI agents. Search, contribute, and improve shared solutions.

MCP Registry · ★ 5.0free

Notation

MCP Registry

Model Context Protocol server for Gradus Notation API. Lets AI agents render music notation, validate input, and search music-theory knowledge — sponsored by Gradus School of Music Composition.

MCP Registry · ★ 5.0free

Bhived

MCP Registry

Bhived MCP Server — shared knowledge graph for AI agents. Query, write, and inspect collective AI knowledge through the Model Context Protocol.

MCP Registry · ★ 5.0free

Agent Planner

MCP Registry

MCP server for AgentPlanner — AI agent orchestration with planning, dependencies, knowledge graphs, and human oversight

MCP Registry · ★ 5.0free

Superskill

MCP Registry

Universal agentic knowledge base + context optimizer + skill marketplace for AI tools

MCP Registry · ★ 5.0free

Lightrag

MCP Registry

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

MCP Registry · ★ 5.0free

Sigil

MCP Registry

Persistent memory for AI coding agents. Local-first knowledge engine with atomic facts, entity graph, and hybrid retrieval. Auto-integrated with Claude Code via hooks; MCP-native for Cursor, Continue, Cline, Windsurf, and any other MCP client.

MCP Registry · ★ 5.0free

Ori Memory

MCP Registry

Cognitive architecture for persistent AI agent memory. Knowledge graph with learning retrieval, ACT-R decay, and spreading activation. Markdown-native, local-first, zero cloud. MCP server + CLI.

MCP Registry · ★ 5.0free

Flowengine N8N Workflow Builder

MCP Registry

Build n8n workflows from text using AI. Connect to Claude, Cursor, or any LLM to generate and validate n8n workflows with expert knowledge and intelligent auto-fixing. Built by FlowEngine. Now with real node parameter schemas from n8n packages!

MCP Registry · ★ 5.0free

Unified Collector

MCP Registry

MCP server for unified collection — agent-first knowledge base backed by Supabase

MCP Registry · ★ 5.0free

Brain

MCP Registry

Personal Knowledge Brain for developers — MCP server with typed neurons, hybrid search (FTS5 + vector), knowledge graph, vault encryption, time-travel history, and spaced repetition. 100% local, SQLite-based.

MCP Registry · ★ 5.0free

Skills

MCP Registry

MoltFlow — complete WhatsApp automation platform: bulk messaging, scheduled messages, scheduled reports, custom groups, lead detection & CRM, AI replies with style cloning, knowledge base (RAG), voice transcription, group monitoring, labels, anti-spam, co

MCP Registry · ★ 5.0free

Server Markdown

MCP Registry

MCP server for markdown files — search, extract sections, list headings, find code blocks across your docs directory

MCP Registry · ★ 5.0free

Contextnest

MCP Registry

MCP server for AI agent access to structured knowledge bases — works with Claude, Cursor, Gemini, Copilot, and Windsurf

MCP Registry · ★ 5.0free

Server

MCP Registry

SideButton MCP server for AI agents — REST API, web dashboard, knowledge packs, and workflow engine

MCP Registry · ★ 5.0free

Alaya

MCP Registry

Alaya MCP Server — a memory engine for AI agents that remembers, forgets, and learns

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Verifiable Memory-as-a-Service for AI Agents — MCP server with local SQLite or cloud mode

MCP Registry · ★ 5.0free

Sidebutton

MCP Registry

AI agent platform and MCP server — knowledge packs, AI agent tools, workflow automation, and CLI

MCP Registry · ★ 5.0free

About Knowledge skills on iClaude

iClaude is the universal install layer for AI skills. Every Knowledge skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.