toolgrep / MCP servers / Engram
Alternatives to Engram
Engram: A self-maintaining second brain for Claude and other AI assistants. 8 products similar to Engram, compared on pricing, free tier, API, MCP server, SDK and open source. 6 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server, 1 of 8 is open source.
- Engram
Your notes are your AI's memory
- knowsme
One memory of you and your work, shared by AI agents that speak MCP
- MemoryRouter
One persistent memory shared across ChatGPT, Claude, Codex, and other AI tools
- emem
Shared, verifiable memory for AI agents: signed facts keyed by place, verifiable offline without an account.
- NEXUS
Shared memory for AI agents, exposed as an MCP server
- Mnemoverse
Persistent memory API for AI agents
- Sensefold
Personal context library with a remote MCP server that lets Claude, ChatGPT, Cursor, and other MCP clients search, read, and write saved Markdown content.
- Mailbox MCP
Remote MCP server that connects an existing Gmail, Outlook, Microsoft 365 or IMAP mailbox to Claude, ChatGPT or any MCP client for reading, searching, sending and filing email.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Engram | — | — | yes | yes | — | — |
| Engram | Freemium · from $7/mo | yes | yes | yes | — | no |
| knowsme | Freemium · from $5/month | yes | yes | yes | no | no |
| MemoryRouter | Free | yes | yes | yes | yes | — |
| emem | — | — | yes | yes | yes | yes |
| NEXUS | Freemium · from US$0 (Free plan: 100 writes and 2 agents per month); Personal plan US$5 per seat/month with 400 writes and 3 agents per seat | yes | yes | yes | no | no |
| Mnemoverse | Freemium · from $0 | yes | yes | yes | yes | — |
| Sensefold | Freemium | no | yes | yes | no | no |
| Mailbox MCP | Freemium · from £2.92/month per mailbox (paid annually at £34.99 + VAT) | yes | yes | yes | — | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
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