**Model**: Claude Opus 4.6
## Source Repository
-- **URL**: No public repository found
-- **Commit**: N/A
-## Findings
-No source block was found in METADATA.pb. The font was designed by Sideshow (Font Diner) but had no source repository or commit information recorded.
+| Field | Value |
+|-------|-------|
+| **Repository** | [googlefontdirectory-hg](https://github.com/googlefonts/googlefontdirectory-hg) |
+| **Commit** | `52f780bc9d197280a9f430574e179a5f233c56b6` |
+| **Source path** | `ofl/mysteryquest/src/` |
+| **Buildable** | No — VFB only (proprietary format) |
-## Status
-- **Category**: NO_SOURCE
+The font sources are in the **googlefontdirectory-hg** monorepo, a git mirror of the
+original Google Code Mercurial repository (`code.google.com/p/googlefontdirectory`)
+that was the canonical host for Google Fonts from 2010 to 2013.
+
+### Source files (2)
+
+- **.vfb** (FontLab, proprietary format): MysteryQuest-Regular-TTF.vfb
+- **Metadata**: METADATA_comments.txt
+
+The only design source is a VFB file, which requires FontLab (proprietary) to open and cannot be built with gftools-builder.
+
+## Build System
+
+Not applicable — no gftools-builder-compatible sources exist.
+
+## Notes
+
+- Font was designed by Sideshow (Font Diner)
+- No other public upstream repository has been identified
+- Single style: Regular