Memory MCP Server by Calvin Francis

MCP Servers Chevron right icon

Memory

Provider

Calvin Francis

Classification

community

Est. Downloads

This is our estimate of how many downloads occurred of this server across the MCP ecosystem (not specific to any single platform). We use a mix of publicly available data, social signals, and more to feed an algorithm that drives this estimation.

141

Released On

Dec 2, 2025

Popularity Ranking

Our estimate as to where this MCP server implementation ranks on the global leaderboard of usage.

#5,652 (#3,011 this week)

Persistent conversational memory with semantic search using PostgreSQL and pgvector, combining traditional memory storage with confidence scoring and a bidirectional knowledge graph for entity relationships

GitHub Repo (1 stars)

Related Servers

Knowledge Graph Memory

Anthropic

Build and query persistent semantic networks for data management.

Classification

reference

Est Downloads (All Time)

1.3m

Release Date

Nov 19, 2024

Qdrant

Store and retrieve vector-based memories for AI systems.

Classification

official

Est Downloads (All Time)

136k

Release Date

Dec 2, 2024

VikingDB

KashiwaByte

Store and search data using VikingDB vector database.

Classification

community

Est Downloads (All Time)

4.3k

Release Date

Dec 6, 2024

MemoryMesh

CheMiguel23

Store and query structured data in local knowledge graphs.

Classification

community

Est Downloads (All Time)

45.7k

Release Date

Dec 6, 2024

Pinecone Vector DB

sirmews

Leverage Pinecone vector databases for semantic search and RAG.

Classification

community

Est Downloads (All Time)

9.4k

Release Date

Dec 8, 2024

Knowledge Graph Memory

Evangelos Stavropoulos

Provides a knowledge graph management system for storing, retrieving, and querying information to build and maintain...

Classification

community

Est Downloads (All Time)

21.3k

Release Date

Dec 14, 2024

Memory by File

g0t4

Lightweight, file-based memory storage for maintaining persistent context across conversations using simple text...

Classification

community

Est Downloads (All Time)

989

Release Date

Dec 12, 2024

Memory Service

doobidoo

Integrates with ChromaDB using sentence transformers for efficient text embedding, enabling semantic search and...

Classification

community

Est Downloads (All Time)

131k

Release Date

Dec 26, 2024

Optimized Memory

Herman Wong

Integrates with SQLite to provide a persistent knowledge graph for efficient memory management and relationship...

Classification

community

Est Downloads (All Time)

989

Release Date

Jan 1, 2025

Klaudium (Memory)

Milos Bastaja

Manages knowledge graphs with dynamic compression and intelligent querying capabilities for efficient information...

Classification

community

Est Downloads (All Time)

—

Release Date

Jan 3, 2025

Knowledge Graph

Shane Holloman

Enables persistent memory and structured knowledge management for enhanced personalization and context retention in...

Classification

community

Est Downloads (All Time)

105k

Release Date

Dec 26, 2024

LibSQL Memory

Scott Spence

Provides a LibSQL-based persistent memory database for storing and retrieving knowledge graph entities and relations...

Classification

community

Est Downloads (All Time)

Release Date

Jan 15, 2025

Titan Memory

Henry Hawke

Integrates neural network-based memory encoding for enhanced long-term information storage and contextually-aware...

Classification

community

Est Downloads (All Time)

11k

Release Date

Feb 6, 2025

Memory Plugin (SQLite)

mekanixms

Provides SQLite-based persistent memory storage for maintaining context across conversations, enabling long-term...

Classification

community

Est Downloads (All Time)

565

Release Date

Feb 15, 2025

Memories with Lessons

T1nker-1220

Enables persistent memory and error tracking for assistants using a local knowledge graph structure with...

Classification

community

Est Downloads (All Time)

7.6k

Release Date

Feb 14, 2025

Pluggable Knowledge Graph Memory

IzumiSy

Provides a pluggable knowledge graph memory server for flexible storage and retrieval within compatible systems,...

Classification

community

Est Downloads (All Time)

7.4k

Release Date

Feb 28, 2025

Memory Box

Amotivv

Integrates with Memory Box to provide persistent, context-aware interactions through semantic memory storage and...

Classification

community

Est Downloads (All Time)

1.4k

Release Date

Feb 28, 2025

Memory Graph

Sam Wang

Provides long-term memory storage for LLM conversations using Redis Graph, enabling persistent knowledge graphs for...

Classification

community

Est Downloads (All Time)

848

Release Date

Mar 1, 2025

Memory Custom

Siddhartha Varma

Provides a knowledge graph-based memory system for creating, managing, and querying structured information with...

Classification

community

Est Downloads (All Time)

565

Release Date

Mar 3, 2025

Memory LibSQL

joleyline

High-performance persistent memory system for Model Context Protocol (MCP) powered by libSQL

Classification

community

Est Downloads (All Time)

3.1k

Release Date

Mar 5, 2025

Zanny's Persistent Memory Manager

zannyonear1h1

Provides persistent memory storage, retrieval, and search capabilities for maintaining conversation context across...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 13, 2025

RAG Documentation Search

Sander Kooger

Provides semantic document search and retrieval through vector embeddings, enabling context-aware responses backed by...

Classification

community

Est Downloads (All Time)

1.5k

Release Date

Mar 13, 2025

Solr Vector Search

Allen Day

Bridges Apache Solr search indexes with vector embeddings for hybrid keyword and semantic document retrieval,...

Classification

community

Est Downloads (All Time)

2.5k

Release Date

Mar 14, 2025

Knowledge Graph

itseasy21

Provides persistent memory for Claude through a local knowledge graph that stores entities with observations and...

Classification

community

Est Downloads (All Time)

14.4k

Release Date

Mar 18, 2025

Neo4j Knowledge Graph

JovanHsu

Provides a Neo4j-powered knowledge graph storage solution for maintaining complex relationships between data points...

Classification

community

Est Downloads (All Time)

2.8k

Release Date

Mar 18, 2025

Memory Knowledge Graph

okooo5km

Provides a persistent knowledge graph system for maintaining structured memory across conversations, enabling...

Classification

community

Est Downloads (All Time)

14.4k

Release Date

Mar 19, 2025

Long-Term Memory

Tom Schell

Provides long-term memory storage using SQLite and vector embeddings, enabling persistent context across...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 20, 2025

Memory PouchDB

Brandon Neil

Provides a knowledge graph-based memory system using PouchDB for storing and retrieving entity relationships and...

Classification

community

Est Downloads (All Time)

565

Release Date

Mar 20, 2025

Basic Memory

Basic Machines

Knowledge management system that builds a persistent semantic graph in markdown, locally.

Classification

official

Est Visitors (All Time)

244k

Release Date

Mar 15, 2025

Pippa Memory

neobundy

Provides a lightweight memory system with ChromaDB vector storage for maintaining contextual information across...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 14, 2025

MemoBase

Yunmei Wu

Provides a bridge between AI assistants and the MemoBase API for managing conversation context and personal knowledge...

Classification

community

Est Downloads (All Time)

141

Release Date

Mar 23, 2025

Memory PostgreSQL

Svetlin Dimitrov

Provides long-term memory capabilities using PostgreSQL with pgvector for efficient semantic search across stored...

Classification

community

Est Downloads (All Time)

7.2k

Release Date

Mar 16, 2025

Memory Storage

Grizzly Peak Software

Provides persistent text memory storage with tagging capabilities for storing, retrieving, searching, and managing...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 16, 2025

Mem0

Sadi Uysal

Integrates with Mem0's memory storage to provide persistent memory streams with semantic search capabilities,...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 24, 2025

Claude Memory

WhenMoon-afk

Provides persistent memory capabilities through sentence transformers and vector similarity search, enabling storage...

Classification

community

Est Downloads (All Time)

—

Release Date

Mar 25, 2025

Smart Thinking

Leghis

Enables intelligent decision-making through semantic embeddings and thought graphs with built-in verification states...

Classification

community

Est Downloads (All Time)

4.1k

Release Date

Mar 18, 2025

Simple Memory Extension

George Macev

Persistent key-value memory store with semantic search using SQLite and E5 embeddings, enabling contextual...

Classification

community

Est Downloads (All Time)

1.4k

Release Date

Mar 8, 2025

Weaviate

sndani

Provides a flexible vector database system for storing, searching, and retrieving persistent memories and structured...

Classification

community

Est Downloads (All Time)

282

Release Date

Mar 18, 2025

Qdrant Vector Database

ChangJun Park

Provides a vector database for storing and retrieving code snippets through semantic search using Docker containers...

Classification

community

Est Downloads (All Time)

141

Release Date

Apr 1, 2025

GraphRAG

Riley Lemm

Combines Neo4j graph database and Qdrant vector database for powerful document search with semantic relevance and...

Classification

community

Est Downloads (All Time)

7.4k

Release Date

Apr 4, 2025

Mem0 (Long-Term Memory)

Cole Medin

Provides persistent long-term memory capabilities through semantic indexing, retrieval, and search functions with...

Classification

community

Est Downloads (All Time)

88.9k

Release Date

Apr 13, 2025

Supermemory

Dhravya Shah

Personal knowledge platform that helps collect, organize, and recall information from various sources with end-to-end...

Classification

official

Est Visitors (All Time)

324k

Release Date

Jun 8, 2025

Arc Memory Temporal Knowledge Graph

Arc Memory Team

Provides a bridge to the Arc Memory Temporal Knowledge Graph, enabling structured access to repository history,...

Classification

official

Est Downloads (All Time)

—

Release Date

Apr 28, 2025

Graphiti

Zep

Provides a temporal knowledge graph system for storing, retrieving, and reasoning about relationships between...

Classification

community

Est Downloads (All Time)

—

Release Date

Aug 8, 2024

RAG Memory

ttommyth

Provides a knowledge graph-enhanced retrieval system that combines vector search with graph-based relationships for...

Classification

community

Est Downloads (All Time)

1.3k

Release Date

May 25, 2025

Context Portal

GreatScottyMac

Database-backed project memory management system that stores decisions, progress tracking, and system patterns in a...

Classification

community

Est Downloads (All Time)

38.7k

Release Date

May 27, 2025

RAG Context

notbnull

Provides persistent memory and context management using local vector storage and SQLite database, enabling semantic...

Classification

community

Est Downloads (All Time)

282

Release Date

Jun 5, 2025

Memento

iAchilles

Provides persistent memory capabilities through a SQLite-based knowledge graph that stores entities, observations,...

Classification

community

Est Downloads (All Time)

Release Date

Jun 8, 2025

Obsidian Memory

YuNaga224

Stores conversation memories as Obsidian-compatible Markdown files with YAML frontmatter and [[link]] syntax,...

Classification

community

Est Downloads (All Time)

1.8k

Release Date

Jul 11, 2025

Memorizer

Petabridge

Provides persistent memory storage with semantic search capabilities through PostgreSQL and pgvector, enabling...

Classification

community

Est Downloads (All Time)

15.1k

Release Date

Jul 16, 2025

A-MEM (Agentic Memory)

nixlim

Provides persistent memory capabilities for coding contexts using ChromaDB vector storage and semantic search,...

Classification

community

Est Downloads (All Time)

989

Release Date

Jul 17, 2025

Memory LibSQL

DaOfficialWizard

High-performance Go implementation of persistent memory storage using libSQL with vector search capabilities,...

Classification

community

Est Downloads (All Time)

706

Release Date

Jul 24, 2025

Cursor10x Memory

Alfredo U.

Provides persistent memory for Cursor through vector-based semantic search and structured data storage, enabling...

Classification

community

Est Downloads (All Time)

10.7k

Release Date

Jul 30, 2025

Memory

puliczek

Provides persistent memory storage across different AI sessions using semantic search and RAG capabilities,...

Classification

community

Est Visitors (All Time)

43k

Release Date

Apr 23, 2025

Local Memory

Daniel Williams

Provides persistent memory storage with semantic search, relationship mapping, and temporal analysis to maintain...

Classification

community

Est Downloads (All Time)

—

Release Date

Aug 10, 2025

Claude Memory

xiy

Provides persistent memory storage across conversations using SQLite database with full-text search and optional...

Classification

community

Est Downloads (All Time)

141

Release Date

Aug 8, 2025

Graphiti Pro

itcook

Provides persistent memory capabilities through Neo4j knowledge graphs with episode-based storage, entity...

Classification

community

Est Downloads (All Time)

5.2k

Release Date

Aug 11, 2025

Semantic Memory System

Tristan McInnis

Provides persistent semantic memory capabilities through PostgreSQL with pgvector embeddings, enabling project-based...

Classification

community

Est Downloads (All Time)

989

Release Date

Aug 13, 2025

AGI Memory

Eric Hartford

Provides persistent memory capabilities across conversations through PostgreSQL database integration with four memory...

Classification

community

Est Downloads (All Time)

848

Release Date

Aug 14, 2025

KBDB

Luxter77

PostgreSQL-backed RAG server that provides semantic search across document embeddings using pgvector, supporting...

Classification

community

Est Downloads (All Time)

424

Release Date

Aug 15, 2025

Cipher

BYTEROVER

Memory-powered agent framework that provides persistent memory capabilities across conversations and sessions using...

Classification

community

Est Downloads (All Time)

13.6k

Release Date

Jul 20, 2025

LibSQL Memory

DaOfficialWizard

Provides persistent knowledge graph storage with vector embeddings for semantic search, entity relationships, and...

Classification

community

Est Downloads (All Time)

—

Release Date

Aug 20, 2025

Memory Graph

songlairui

Provides persistent knowledge graph storage through entity-relationship modeling with observations, enabling...

Classification

community

Est Downloads (All Time)

141

Release Date

Aug 23, 2025

AI Memory

scanadi

Production-ready semantic memory management server that stores, retrieves, and manages contextual knowledge across...

Classification

community

Est Downloads (All Time)

1.7k

Release Date

Sep 2, 2025

Oracle Vector Store

Luigi Saetta

Integrates with Oracle Vector Store databases to enable semantic search over document collections using vector...

Classification

community

Est Downloads (All Time)

141

Release Date

Sep 29, 2025

Nowledge Mem

Nowledge Labs, LLC

Provides persistent memory capabilities through integration with Nowledge Mem service, enabling semantic memory...

Classification

community

Est Downloads (All Time)

1.8k

Release Date

Oct 1, 2025

Qdrant

mhalder

Provides semantic search capabilities using a local Qdrant vector database and OpenAI embeddings for building private...

Classification

community

Est Downloads (All Time)

901

Release Date

Oct 6, 2025

BuildAutomata Memory

Jurden Bruce

Provides persistent memory storage with temporal versioning, semantic search, and automatic decay using SQLite for...

Classification

community

Est Downloads (All Time)

1.8k

Release Date

Oct 11, 2025

Memex

jacquesbh

Manages a local knowledge base of technical guides and AI contexts using vector embeddings for semantic search,...

Classification

community

Est Downloads (All Time)

848

Release Date

Oct 12, 2025

Continuo Memory

D.D. & Gustavo Porto

Provides hierarchical memory storage with three-tier compression (chunks, micro-summaries, meta-summaries) and...

Classification

community

Est Downloads (All Time)

141

Release Date

Oct 14, 2025

Memory Knowledge Graph

ssoj13

Persistent knowledge graph storage for entities, relations, and observations using SQLite with full-text search,...

Classification

community

Est Downloads (All Time)

141

Release Date

Nov 26, 2025

Memory Bank

Protocol-Lattice

Vector-native AI agent memory with multi-backend storage, shared spaces with ACL controls, and semantic search

Classification

community

Est Downloads (All Time)

1.8k

Release Date

Nov 10, 2025

MemOS

MemTensor

Memory management system for AI applications with conversation storage and semantic memory search

Classification

community

Est Downloads (All Time)

—

Release Date

Nov 17, 2025

MiniRAG

Stefan Witwicki

Provides efficient retrieval-augmented generation through naive vector database querying and smart graph-based...

Classification

community

Est Downloads (All Time)

141

Release Date

Nov 29, 2025

Central Memory

Logan Cook

Persistent knowledge graph storage through Azure Functions and Table Storage with workspace isolation, entity...

Classification

community

Est Downloads (All Time)

141

Release Date

Nov 6, 2025

Neo4j Agent Memory

KnowAll AI

Stores entities and relationships in a Neo4j graph database with semantic search and temporal filtering, enabling...

Classification

community

Est Downloads (All Time)

8.3k

Release Date

Nov 3, 2025