Licenses & Attribution

Open Source Dependencies

PackageLicensePurpose
Next.jsMITWeb framework
ReactMITUI library
Tailwind CSSMITStyling
Cloudflare WorkersApache-2.0Edge compute
@noble/ed25519MITSignature verification

Data Sources & Attribution

legislation.gov.uk
Open Government Licence v3.0
Source →
Contains public sector information licensed under the Open Government Licence v3.0
EUR-Lex
European Union reuse policy
Source →
© European Union, 1998-2026
OpenStreetMap
Open Database License (ODbL)
Source →
© OpenStreetMap contributors
Natural Earth
Public Domain
Source →
Boundary data from Natural Earth
geoBoundaries
CC BY 4.0
Source →
Administrative boundaries from geoBoundaries

CSOAI Licenses

Benchmarks
CC BY 4.0 — You are free to share and adapt the benchmark data, provided you give appropriate credit.
Harness
Apache-2.0 — The scoring harness is open source.

What We Never Use

  • • No vendor logos without written permission AND a signed relationship
  • • No GADM boundary data (non-commercial license)
  • • No Mapbox/Cesium-ion tokens in the client (keyless basemap)