-**Model**: Claude Opus 4.6
+# Trade Winds — Upstream Source Investigation
-## Trade Winds
+**Model**: Claude Opus 4.6
+**Date**: 2026-03-25
+**Investigator**: AI agent (Claude) under guidance of @felipesanches
**Designer**: Sideshow (Font Diner, Inc.)
-### Upstream Repository Search
+## Source Repository
+
+Source files were found in the **googlefontdirectory-hg** monorepo at commit `52f780bc9d197280a9f430574e179a5f233c56b6`, under the path `tradewinds/src/`.
+
+### Source Files
+
+- **VFB (FontLab)**: TradeWinds-Regular-TTF.vfb
+
+Sources are in VFB format (FontLab, proprietary), which is not buildable with gftools-builder.
+
+## Investigation Details
Trade Winds was designed by Font Diner, Inc. (DBA Sideshow). The GitHub account `fontdiner` was found and examined. It contained two repositories:
- `fontdiner/fonts` — contained only a README and LICENSE, no font sources
The Font Diner website (fontdiner.com) was not investigated further as it is a commercial foundry website unlikely to host open source font source files.
-### Status
-
-No canonical upstream repository with UFO or Glyphs sources was found. No source block was added to `METADATA.pb`.
-
-### Conclusion
-
Trade Winds was produced by a commercial foundry (Font Diner / Sideshow) and the sources are not publicly hosted. The font was released under OFL but no editable source files are publicly available.