Memory & Knowledge MCP Servers

A persistent memory system for AI coding assistants

Local-first semantic memory for MCP agents. Recall, remember, forget, echo, drift detection, stats over stdio.

MCP server for agent-friendly subgraph discovery on The Graph Network. 14,733 classified subgraphs with x402 query URLs ($0.01 USDC on

Lightweight, injectable knowledge bundles for AI agents. Git-versioned markdown, MCP-native, lives in your filesystem.

A multi-domain, auth-first MCP server giving AI agents access to financial markets, Web3/DeFi, developer tools, and healthcare (FHIR)

Provides summarised output from various actions that could otherwise eat up tokens and cause crashes

MCP server for NotebookLM API with session support and human-like behavior

Knowledge-graph memory server using Supabase with pgvector for semantic search.

N:M Associative Memory System for LLM Agents

Super-Memory MCP server with local embeddings and vector search

Local-first agent memory with MCP and an agent-native CLI. Documented clients include Claude Code, Cursor, and Windsurf.

本地 MCP 记忆服务 - AI 写代码时自动记录，纯本地运行，无需 API Key

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

Standalone MCP server exposing SuplAgentics's real capabilities (Import History, Improvement suggestions, and more over time) to any

MCP Memory Server with Neo4j backend

A symbolic reasoning engine that serves as an MCP server for symbolic ontology operations

Persistent memory for AI agents — log and recall conversation context over MCP.

Powerful, self-contained AI context layer. Combines persistent memory, temporal knowledge graph, and hybrid code search into one local

Persistent memory infrastructure for AI agents — AES-256-GCM encrypted at rest, semantic search, MCP-native.

Persistent memory for Claude via Synapse API

MCP server that connects any AI to your Obsidian vault. Save articles, ask questions across your notes, build a compounding knowledge base.