Head to head
Seatbelt vs runx
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
MCP runtime security proxy. Blocks dangerous AI agent tool calls with a policy engine.
Full listing
No reviews yet
The governed runtime for agent skills. Search the catalog and inspect a skill before running it.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (88 and 88 out of 100). runx is hosted and callable through the gateway; Seatbelt runs on your own machine. runx has noticeably more public adoption.
| Seatbelt | runx | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A88/100 | A88/100 |
| Adoption | New | Growing |
| GitHub stars | 3 | 91 |
| Downloads / week | – | – |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | — | 2 |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | Apache-2.0 |
| Last release | 2026-08-04 | 2026-09-18 |
| Category | AI and agents | AI and agents |