AgentIndex icon
AgentIndex
hippocampus logo
hippocampus
★ 13
vs
Acontext logo
Acontext
★ 3.7k

hippocampus vs Acontext

hippocampus: Hippocampus is an open-source, self-hosted MCP memory server that provides persistent, cross-platform memory for AI assistants. Deploy once and connect to multiple AI platforms such as Claude, ChatGPT, Gemini, Cursor, and Perplexity, enabling them to share and recall context seamlessly. It uses a knowledge graph with local embeddings and encrypts the database at rest.; Acontext: Acontext is a Context Data Platform designed to help build scalable cloud-native AI agents by managing context storage, retrieval, and state. It solves common problems like inefficient LLM message storage, complex long-running agent management, and lack of agent observability and learning capabilities.

01

TL;DR

hippocampus logo
hippocampusMemory & Context · ★ 13

Store and recall personal preferences across different AI assistants

Read hippocampus full review →
Acontext logo
AcontextMemory & Context · ★ 3.7k

Building scalable and robust cloud-native AI agents for large user bases.

Read Acontext full review →
02

Side-by-Side Comparison

Field
hippocampus logohippocampus
Acontext logoAcontext
Category
Memory & Context
Memory & Context
Stars
★ 13
★ 3.7k
License
AGPL-3.0
Apache-2.0
Install Command
git clone https://github.com/karrolcia/hippocampus.git && cd hippocampus && npm install && cp .env.example .env && npm run dev
pip install acontext
Updated
1d ago
3mo ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai, chatgpt, claude
AI Agents, Context Management, Data Platform
03

Features

hippocampus logohippocampus
01Cross-platform memory sharing across major AI tools via MCP protocol
02Knowledge graph storage with entities, observations, and relationships
03Semantic search using local embeddings (all-MiniLM-L6-v2)
04AES-256 database encryption via SQLCipher, including embedding vectors
05Self-contained OAuth 2.1 authentication with PKCE
Acontext logoAcontext
01Unified multi-modal message storage
02Artifact management with file paths
03Context window editing API
04Real-time agent task observation
05Agent self-learning for Standard Operating Procedures (SOPs)
04

Use Cases

hippocampus logohippocampus
↳Store and recall personal preferences across different AI assistants
↳Maintain project context and decisions when switching between AI tools
↳Avoid repeating information when using multiple AI platforms simultaneously
Acontext logoAcontext
↳Building scalable and robust cloud-native AI agents for large user bases.
↳Managing and observing long-running, stateful AI agents with built-in context engineering.
↳Enabling AI agents to self-learn and adapt, improving consistency and success rates.
05

Best For

hippocampus logohippocampus
—
Acontext logoAcontext
Essential
FAQ

FAQ

What is the difference between hippocampus and Acontext?
Both hippocampus and Acontext are in the Memory & Context category. hippocampus has 13 stars, while Acontext has 3.7k stars.
Which is better, hippocampus or Acontext?
The best choice depends on your use case. Choose hippocampus if Store and recall personal preferences across different AI assistants, and Acontext if Building scalable and robust cloud-native AI agents for large user bases..
Is hippocampus free or open source?
Yes, hippocampus is open source on GitHub (AGPL-3.0).
Is Acontext free or open source?
Yes, Acontext is open source on GitHub (Apache-2.0).
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Alternatives to hippocampus →Alternatives to Acontext →hippocampus details →Acontext details →