Head to head
polymnemo vs Sanity
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Shared cross-LLM long-term memory over MCP: semantic recall, sessions, and media (pgvector).
Full listingNo reviews yet
Direct access to your Sanity projects (content, datasets, releases, schemas) and agent rules
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Sanity (93/100 against 52). Sanity has noticeably more public adoption.
| polymnemo | Sanity | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | D52/100 | A93/100 |
| Adoption | New | Growing |
| GitHub stars | 0 | 185 |
| Downloads / week | – | – |
| Runs where | Hosted (remote) | Hosted (remote) |
| Gateway-ready | Yes | Yes |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | MIT |
| Last release | 2026-09-19 | 2026-09-16 |
| Category | AI and agents | AI and agents |