Best Knowledge AI Skills & MCP Servers

Your AI agent has read your codebase but still can't safely change it. unerr is a local guardrail that hands the agent the call graph and your rules at the moment it edits.

Information-geometric agent memory with mathematical guarantees. 4-channel retrieval, Fisher-Rao similarity, zero-LLM mode, EU AI Act compliant. Works with Claude, Cursor, Windsurf, and 17+ AI tools.

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

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.

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.

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

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

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

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

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

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

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.

AI Memory & Knowledge Management MCP Server — 32 tools, BM25 R@5=95%, hybrid search (RRF), knowledge graph, analytics, cloud sync, Obsidian compatible. Works with Claude Code, Cursor, Gemini CLI, Windsurf, hermes-agent.

Shared, persistent memory for AI assistants, built on the Zettelkasten method.

An LLM Wiki for Claude Code, in your Obsidian vault.

Persistent memory for AI coding agents. Knowledge graph with 4-tier taxonomy, confidence scoring, and MCP protocol support for Claude Code, Cursor, Gemini CLI, Windsurf, Cline, Codex, and OpenCode.

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

MCP server for ProjectionLab — export, snapshot, and restore financial plans with a built-in FIRE advisor knowledge base.

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

MCP server exposing knowledge search tools for AI coding assistants

MCP tools that search, write, and auto-link your Obsidian vault — and learn from your edits.