Memory

Chroma

Open-source embedding database with Chroma Cloud and an official MCP server

• vector-db
• embeddings
• open-source
• +2 more
• +1 more

Cognee

Open-source memory engine that builds a queryable knowledge graph from documents, code, and conversations

• agent-memory
• knowledge-graph
• open-source
• +2 more
• +1 more

Letta

Stateful agent runtime where memory is the agent — self-editing core memory, archival recall, and a REST API

• agent-memory
• stateful-agents
• memgpt
• +2 more
• +1 more

Mem0

Managed memory layer that extracts, dedupes, and retrieves long-term memories per user, agent, or session

• agent-memory
• long-term-memory
• personalization
• +2 more
• +1 more

Neon

Serverless Postgres with instant branching, autoscaling, and a remote MCP server

• database
• postgres
• branching
• +3 more
• +2 more

Pinecone

Managed vector database with serverless indexes, integrated embedding, and an assistant MCP server

• vector-db
• embeddings
• rag
• +2 more
• +1 more

Qdrant

Open-source vector search engine with managed cloud and an official MCP server

• vector-db
• embeddings
• open-source
• +2 more
• +1 more

Supabase

Postgres with pgvector, auth, storage, edge functions, and a remote MCP server

• database
• postgres
• pgvector
• +3 more
• +2 more

Upstash

Serverless Redis, Vector, and QStash with per-request pricing and an official MCP server

• redis
• vector-db
• serverless
• +3 more
• +2 more

Zep

Temporal knowledge-graph memory (Graphiti) with bi-temporal validity, so agents can query what was true when

• agent-memory
• knowledge-graph
• temporal
• +2 more
• +1 more

Convex

Reactive TypeScript backend with a built-in agent and durable workflow components

• database
• realtime
• agents
• +2 more
• +1 more

Notion

Read and write Notion pages and databases via API or the remote MCP server — durable agent knowledge base

• knowledge-base
• docs
• workspace
• +2 more
• +1 more

Prisma Postgres

Serverless Postgres with a remote MCP server for provisioning and querying databases

• database
• postgres
• serverless
• +2 more
• +1 more

Redis Agent Memory Server

Redis-backed working and long-term memory service for agents, with REST and MCP interfaces

• agent-memory
• redis
• working-memory
• +3 more
• +2 more

Supermemory

Memory API and MCP server for coding and chat agents, with document ingestion and semantic recall

• agent-memory
• recall
• ingestion
• +2 more
• +1 more

turbopuffer

Object-storage-native vector and full-text search, priced for very large, mostly-cold indexes

• vector-db
• search
• object-storage
• +2 more
• +1 more

Turso

Distributed SQLite with per-tenant databases and edge replication

• database
• sqlite
• edge
• +2 more
• +1 more

Weaviate

Open-source vector database with hybrid search, agents, and a managed cloud tier

• vector-db
• hybrid-search
• rag
• +2 more
• +1 more

Zilliz Cloud (Milvus)

Managed Milvus vector database for billion-scale similarity search

• vector-db
• milvus
• scale
• +2 more
• +1 more