Memory & Knowledge MCP Servers

Git-native, review-gated knowledge base for LLM agents. MCP server + CLI.

MCP server for vector search with Qdrant and Ollama embeddings

Wadachi (轍) — persistent memory + semantic search MCP server for AI agents. Formerly Engram.

MCP server that gives LLMs persistent graph-structured memory

MCP server for walnut structured context — read, save, and manage walnuts from any MCP client

Waroom MCP Server - Access Waroom API through Model Context Protocol

MCP server that gives AI coding agents persistent memory — auto-detect mistakes, consolidate lessons, inject context on session start

わたしDB - User-owned personal context database as an MCP server for AI tools

Shared context and coordination MCP hub for AI agents

What Next — AI-powered continuity engine. Your second brain that always knows what happened and what comes next.

Personal, passkey-protected memory for Claude, Codex, and other MCP clients

MCP server for project-scoped note management across multiple note-taking apps (Obsidian, and more)

Model Context Protocol server for accessing Wolai workspace content.

Wuniq MCP server. Requires the free Wuniq desktop app. A knowledge engine that keeps decisions, constraints and intent beside your project

Local-first persistent memory for AI agents over MCP. Ground truths, negative learning (recorded failures block repeats), decision

MCP server for Xache Protocol - collective intelligence, verifiable memory, and reputation for AI agents

MCP server for enabling memory of multiple projects for through a knowledge graph

Privacy-first CLI and MCP setup helper for XMemo.

MCP server for XMind

YantrikDB — Cognitive memory for AI agents. Persistent semantic recall, knowledge graph, contradiction detection, and procedural learning

Dynamic MCP server for the Yantrix API portfolio — 30+ tools across research, memory, language, legal, security, intelligence, and more.