toolgrep / MCP servers / NEXUS
Alternatives to NEXUS
NEXUS: Shared memory for AI agents, exposed as an MCP server. 8 products similar to NEXUS, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server, 2 of 8 are open source.
- 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
- Dexio
One wiki for all your agents
- Agent Nexus
A machine-readable registry of APIs, MCP servers and CLIs that AI agents call, with live health checks and reliability scores.
- NoteMCP
Portable AI memory, built from your notes
- MCP Charts
The MCP for MCPs
- MemoryRouter
One persistent memory shared across ChatGPT, Claude, Codex, and other AI tools
- Stele
Shared, persistent project memory for AI coding agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| 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 |
| Vilix AI | Freemium · from $0 | yes | yes | yes | — | — |
| knowsme | Freemium · from $5/month | yes | yes | yes | no | no |
| Dexio | Freemium | yes | yes | yes | no | yes |
| Agent Nexus | Freemium · from $0 | yes | yes | yes | no | — |
| NoteMCP | Freemium · from $0 | yes | yes | yes | no | yes |
| MCP Charts | Free | yes | yes | yes | — | — |
| MemoryRouter | Free | yes | yes | yes | yes | — |
| Stele | Freemium · from $0 | yes | 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
curl https://toolgrep.com/api/products/nexus/alternatives