Head to head
Semiotic vs Open Waters AIS
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
Verified React chart generation: select, validate, repair, render, and inspect charts through MCP.
Full listing
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Live AIS vessel positions by MMSI, name, area, or radius, plus coverage. No sign-in, no key.
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 (82 and 88 out of 100). Semiotic has noticeably more public adoption.
| Semiotic | Open Waters AIS | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | B82/100 | A88/100 |
| Adoption | Widely used | Growing |
| GitHub stars | 2.7k | 7 |
| Downloads / week | 5.8k | – |
| Runs where | Hosted (remote) | Hosted (remote) |
| Gateway-ready | Yes | Yes |
| Tools | 5 | 5 |
| Write actions | 1 | — |
| Price per call | Free | Free |
| Licence | Apache-2.0 | MIT |
| Last release | 2026-09-19 | 2026-09-18 |
| Category | Everything else | Everything else |