Head to head
Open Library vs Umbra open SAR archive
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
Umbra open SAR archive
Bio.github.reesehammer/umbra-mcpNo reviews yet
Search, preview, and measure Umbra open SAR from any MCP client. Umbra ships no search API.
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 Open Library (92/100 against 83). Open Library has noticeably more public adoption.
| Open Library | Umbra open SAR archive | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A92/100 | B83/100 |
| Adoption | Established | Growing |
| GitHub stars | 94 | 0 |
| Downloads / week | 159 | 43 |
| Runs where | Your machine (local) | Your machine (local) |
| Gateway-ready | No | No |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | Apache-2.0 |
| Last release | 2026-09-03 | 2026-09-17 |
| Category | Web search | Web search |