toolgrep / MCP servers / MemoryRouter
Alternatives to MemoryRouter
MemoryRouter: One persistent memory shared across ChatGPT, Claude, Codex, and other AI tools. 8 products similar to MemoryRouter, compared on pricing, free tier, API, MCP server, SDK and open source. 7 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.
- NoteMCP
Portable AI memory, built from your notes
- Vilix AI
Shared AI memory for Claude, Codex, Cursor, OpenClaw, Hermes and other supported clients.
- knowsme
One memory of you and your work, shared by AI agents that speak MCP
- Mnemoverse
Persistent memory API for AI agents
- Engram
A self-maintaining second brain for Claude and other AI assistants
- ToolRouter
The OpenRouter for tools — one MCP connection to 414 hosted tools, pay per call
- NEXUS
Shared memory for AI agents, exposed as an MCP server
- ContextStream
Shared project context for AI coding agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| MemoryRouter | Free | yes | yes | yes | yes | — |
| NoteMCP | Freemium · from $0 | yes | yes | yes | no | yes |
| Vilix AI | Freemium · from $0 | yes | yes | yes | — | — |
| knowsme | Freemium · from $5/month | yes | yes | yes | no | no |
| Mnemoverse | Freemium · from $0 | yes | yes | yes | yes | — |
| Engram | — | — | yes | yes | — | — |
| ToolRouter | Usage-based · from $0.01 per paid tool call; Lite $9/mo; Plus $19/mo; Team $29/seat/mo; Business $59/seat/mo | yes | yes | yes | yes | no |
| 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 |
| ContextStream | Freemium · from $0 | yes | yes | yes | no | 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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