About this skill
Navigate philatelic collecting — MNH (Mint Never Hinged) vs MH (Mint Hinged) vs Used, Scott / Stanley Gibbons / Michel / Yvert catalog references, expertization (PF / PSE), errors and varieties (inverted Jenny, color shifts), and the trophy world rarities. Use when buying, selling, or evaluating any stamp collection above hobby tier.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: 7872085c34b58e094382e67a7fc5dfe90346d1fae70d30bb2a3b0a04f3cfade1
About this listing
- Category
- General
- Reported license
- MIT
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.