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Memory tools that work with Claude Code
Every tool below names Claude Code in its own documentation. That's what the vendor says, not something we tested. Each page links to the source.
29 tools · docs checked 2026-11-09
| Tool | Works with (per docs) | Runs | Transport | License |
|---|---|---|---|---|
| MCP Memory Service (doobidoo) Persistent memory for agent pipelines and chat clients: REST API, knowledge graph and autonomous consolidation, with remote MCP over OAuth. | Claude Desktop, Claude Code, Claude (web), ChatGPT, Cursor, Codex, VS Code / Copilot, Windsurf, Gemini CLI, Zed, OpenCode | Local or hosted | stdio, Streamable HTTP | Apache-2.0 |
| Supermemory Memory and context engine with an app, API and MCP; hosted, with a documented fully-local mode. | Claude Desktop, Cursor, Windsurf, VS Code / Copilot, Claude Code, OpenCode, Codex | Local or hosted | Streamable HTTP | MIT |
| LongMemory (CaviraOSS, formerly OpenMemory) moved Local persistent memory store with MCP, HTTP API and session import from many coding agents. | ChatGPT, Claude Code, Codex, VS Code / Copilot, Gemini CLI, Cline, OpenCode | Runs locally | stdio, Streamable HTTP | Apache-2.0 |
| Hindsight Agent memory that learns: self-hosted server with per-bank MCP endpoints and native coding-agent installers. | Claude Code, Codex, Cursor, Cline, OpenCode, Zed | Local or hosted | Streamable HTTP | MIT |
| Honcho Memory library and service for stateful agents, with a hosted MCP at mcp.honcho.dev and self-hosting. | Claude Code, Cursor, Codex, Windsurf, Cline, OpenCode | Local or hosted | Streamable HTTP | AGPL-3.0 |
| Basic Memory Notes-as-memory: your AI reads and writes plain Markdown files you can open in Obsidian, indexed locally. | ChatGPT, Claude Desktop, Claude Code, Cursor, Codex, VS Code / Copilot | Local or hosted | stdio, Streamable HTTP | AGPL-3.0 |
| MemoryPlugin Hosted shared memory across ChatGPT, Claude, Cursor and 20+ AI tools via browser extension, apps and a remote MCP server; paid, with a 7-day trial. | ChatGPT, Claude (web), Claude Desktop, Claude Code, Cursor, Codex | Hosted | Streamable HTTP, SSE | Proprietary |
| claude-mem Captures what your coding agent does, compresses it and injects relevant context into future sessions. | Claude Code, Codex, Cursor, OpenCode, Claude Desktop | Runs locally | Unknown | Apache-2.0 |
| memU Personal memory across agents, with CLIs (including a Codex CLI) and hosted or local storage. | ChatGPT, Claude Code, Cursor, Codex, VS Code / Copilot | Local or hosted | Unknown | Unknown |
| Zep Hosted context layer for agents (Zep Cloud). The GitHub repo holds examples and integrations, not the service. | Claude Desktop, ChatGPT, Claude Code, Codex, Cursor | Hosted | Unknown | Apache-2.0 |
| Qdrant MCP Official Qdrant MCP server used as a semantic memory layer: store and find information in a Qdrant collection. | Claude Desktop, Claude Code, Cursor, VS Code / Copilot, Windsurf | Local or hosted | stdio, SSE, Streamable HTTP | Apache-2.0 |
| Memory Bank MCP Centralized, remote-accessible version of the Cline "memory bank" file pattern, served over MCP with per-project isolation. | Claude Desktop, Claude Code, Cursor, VS Code / Copilot, Cline | Runs locally | stdio | MIT |
| Nowledge Mem Desktop memory and context manager with MCP integrations, a browser extension that imports chats, and thread import from coding tools. | Claude Code, Claude Desktop, Cursor, VS Code / Copilot, Gemini CLI | Runs locally | Streamable HTTP | Proprietary |
| MemPalace Open-source local AI memory system with pluggable retrieval (ChromaDB by default) and auto-save hooks for coding agents. | Claude Code, Cursor, Codex, Gemini CLI | Runs locally | stdio, Streamable HTTP | MIT |
| OpenViking Context database for agents from Volcengine that unifies agent memory, knowledge retrieval and skills. | Claude Code, Cursor, Codex, OpenCode | Local or hosted | Streamable HTTP | AGPL-3.0 |
| Cognee MCP MCP server for Cognee memory; by default each client gets its own dataset so agents do not overwrite each other. | Claude Desktop, Claude Code, Cursor, Cline | Runs locally | stdio, Streamable HTTP, SSE | Apache-2.0 |
| EverOS (formerly EverMemOS) moved Local-first, Markdown-native memory layer for agents, with a cloud option and an MCP package (everos-mcp). | Claude Code, Codex, Claude Desktop, Cursor | Local or hosted | Unknown | Apache-2.0 |
| Obsidian MCP Server (cyanheads) Read, write, search and edit Obsidian vault notes, tags and frontmatter over MCP via the Local REST API plugin. | Claude Desktop, Claude Code, Cursor, VS Code / Copilot | Runs locally | stdio, Streamable HTTP | Apache-2.0 |
| Memori LLM-agnostic memory layer turning agent execution into structured persistent state; hosted MCP for coding agents. | Claude Code, Cursor, Codex | Local or hosted | Streamable HTTP | Unknown |
| memsearch Unified memory for coding agents from Zilliz: Markdown files are the source of truth, indexed in Milvus, with plugins per agent. | Claude Code, Codex, OpenCode | Runs locally | Unknown | MIT |
| ReMe Memory management kit for agents from the AgentScope team, with plugins for coding agents. | Claude Code, Codex | Runs locally | Unknown | Apache-2.0 |
| C.O.R.E. (RedPlanetHQ) Self-hostable "personal AI OS" with memory shared across coding agents and 50+ app integrations via MCP. | Claude Code, Codex | Local or hosted | Unknown | Unknown |
| mcp-knowledge-graph Fork of the official memory server focused on local development: persistent knowledge graph in local files. | Claude Desktop, Claude Code | Runs locally | stdio | MIT |
| mem-agent MCP MCP server for the mem-agent model: an Obsidian-like Markdown memory managed by a small local LLM, with importers for ChatGPT and other exports. | Claude Desktop, Claude Code | Runs locally | stdio, Streamable HTTP | Apache-2.0 |
| MCP Memory Keeper Persistent context management for coding assistants: saves session context, checkpoints and decisions to SQLite. | Claude Code, Claude Desktop | Runs locally | stdio | MIT |
| Claude Subconscious Letta background agent that watches Claude Code sessions, builds memory over time and feeds it back. | Claude Code | Local or hosted | Unknown | MIT |
| mem0-mcp-server archived Wrapped the hosted Mem0 Memory API as an MCP server. Repository archived. | Claude Desktop, Claude Code, Cursor, VS Code / Copilot, Windsurf, OpenCode | Hosted | Streamable HTTP | Apache-2.0 |
| ByteRover CLI (formerly Cipher) archived Portable memory layer for coding agents: curates project knowledge into a context tree and syncs it to the cloud. | Claude Code, Cursor, Windsurf, Cline | Local or hosted | Unknown | Elastic-2.0 |
| Acontext archived Treated agent skills as a memory layer. No longer maintained and archived. | Claude Code | Local or hosted | Unknown | Apache-2.0 |
Client support is what each vendor's docs say. MemoryStack doesn't test tools. How to share one memory across your bots.