Agent memory comes in four shapes today. wong takes something from each, and adds what they leave out: notes checked against the issues and deploys they talk about, and fixed by your own agents.
| Capability | wong | Syncing ~/.claudeclaude-sync, chezmoi | Memory serversclaude-mem, OpenMemory | Hosted memorymem0, Supermemory | Built-in memoryClaude Code, Copilot |
|---|---|---|---|---|---|
| One memory for every repo and machineSyncing reaches other machines, but memory stays one folder per path. | Yes | Partly | Partly | Yes | — |
| Notes checked against files and commitsCopilot checks a memory's citations before it uses it. | Yes | — | Partly | — | Partly |
| Checked against issues and deploysWebhooks from GitHub and Linear leave tasks on the notes they affect. | Yes | — | — | — | — |
| Your agents fix what went staleThe next session is told which notes contradict their sources. | Yes | — | — | — | — |
| No model calls on the serverSome memory servers run an observer model; hosted services run extraction and embeddings. | Yes | Yes | Partly | — | Yes |
| Runs on your own servermem0 also ships an open-source version. | Yes | Yes | Yes | Partly | — |
| Builds on Claude Code's own memoryMemory servers and hosted services keep a store of their own. | Yes | Yes | — | — | Yes |
| Dashboard to read, fix and undoclaude-mem ships a web viewer. | Yes | — | Partly | Yes | — |
| Price | Free, or $6/month hosted | Free | Free | From about $19/month | Included |
Syncing reaches other machines, but memory stays one folder per path.
Copilot checks a memory's citations before it uses it.
Webhooks from GitHub and Linear leave tasks on the notes they affect.
The next session is told which notes contradict their sources.
Some memory servers run an observer model; hosted services run extraction and embeddings.
mem0 also ships an open-source version.
Memory servers and hosted services keep a store of their own.
claude-mem ships a web viewer.
From each project's public documentation, October 2026. Something out of date? Tell us.