Memory & Knowledge MCP Servers for Claude Desktop

A knowledge graph memory server for MCP with multi-agent tenant isolation, tiered search, index navigation, and three transport modes

MCP server for journal entries with web viewer

MCP server for knowledge base with Mastra.ai and pgvector

Cross-session memory for Claude over MCP — prioritised briefs, supersession, cross-project recall.

Fully local semantic memory for AI agents: search your notes and session logs from any MCP client, with embeddings served by Ollama

Graph-based memory system for LLMs with knowledge graphs and semantic search.

Persistent semantic key-value memory MCP server with ChromaDB backend

Self-hosted, Obsidian-compatible markdown memory vault so any MCP client reads and writes the same persistent context.

Persistent, zero-dependency AI memory using SQLite. Local-first, cross-tool portable.

Cross-client AI memory hub: agents share one SQLite memory.db via file-level pointers.

Indexed search, schema-checked writes and session hooks for a markdown notes vault

Minimal MCP server for the Notion private (internal) API

MCP server for AI-powered Obsidian note capture and vault management

MCP server for Obsidian — 39 tools, 100% REST API coverage

MCP server for Obsidian vaults that survives iCloud — reads, searches and writes notes without hanging on evicted files

MCP server that stores AI memories as Markdown files for visualization in Obsidian's graph view

MCP server for Reattend — give Claude, Cursor, and any AI tool persistent memory

Git-aware memory store for AI coding agents; memories are anchored to git blob hashes.

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

Local-first agent memory over SQLite: remember, recall, link, forget. Degrades, never fails.

MCP Memory Server with Neo4j backend