Memory & Context
7 memory & context tools you can use instead of Tokenrip, 4 of them open source. Summaries come from each vendor's own site. Links checked Oct 31, 2026.
Shared workspace your AI agents work from: files with version history, tables, tasks any agent can pick up, and pinned decisions every agent reads when it loads the workspace. Agents connect from Claude, ChatGPT, Codex, Cursor or any MCP app through a hosted MCP server, a CLI or an HTTP API, each with its own revocable key, and every change is logged with the agent that made it.
At a glance
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| Cognee | Open-source agent memory platform built on graph and vector stores. | Yes | Tokenrip vs Cognee |
| ContextNest | Versioned markdown context vault for agents, read through a CLI or an MCP server. | Yes | Tokenrip vs ContextNest |
| Letta | Platform for stateful agents that keep long-term memory. | Yes | Tokenrip vs Letta |
| Mem0 | Memory layer that lets agents learn from past interactions. | Yes | Tokenrip vs Mem0 |
| MemorySync | MemorySync is a memory API for AI applications: your agent writes what it learns about each user, and MemorySync returns the relevant parts later, ranked by meaning and scoped to that user. | No | Tokenrip vs MemorySync |
| Supermemory | Memory and continual learning engine for agents. | No | Tokenrip vs Supermemory |
| Zep | Context layer that unifies business data, documents, and chats for agents. | No | Tokenrip vs Zep |
Memory & Context
Open-source agent memory platform built on graph and vector stores.
Versioned markdown context vault for agents, read through a CLI or an MCP server.
Platform for stateful agents that keep long-term memory.
Memory layer that lets agents learn from past interactions.
MemorySync is a memory API for AI applications: your agent writes what it learns about each user, and MemorySync returns the relevant parts later, ranked by meaning and scoped to that user.
Memory and continual learning engine for agents.
Context layer that unifies business data, documents, and chats for agents.
FAQ
Agent Stack Directory lists 7 other memory & context tools: Cognee, ContextNest, Letta, Mem0, MemorySync, Supermemory, Zep.
Yes. Among the alternatives we list, these are marked open source: Cognee, ContextNest, Letta, Mem0.
Shared workspace your AI agents work from: files with version history, tables, tasks any agent can pick up, and pinned decisions every agent reads when it loads the workspace. Agents connect from Claude, ChatGPT, Codex, Cursor or any MCP app through a hosted MCP server, a CLI or an HTTP API, each with its own revocable key, and every change is logged with the agent that made it. (Summary based on tokenrip.com, link checked 2026-10-31.)