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Use when measuring centering before submission, or auditing a grade you disagree with. Covers 55/45, 60/40, 65/35 thresholds across graders.
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
基于 SOC 职业分类
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/x3allamerican/cards-skills --skill centering-measurement-discipline命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
正在显示 SKILL.md
Use when evaluating, sniping, or selling a 1/1 card. 1/1s have unique pricing dynamics — no comp data, auction discovery only.
Use when needing comprehensive comp data beyond eBay. 130point aggregates eBay + Goldin + PWCC; Card Ladder runs analytics.
Use when evaluating 1933 Goudey cards. Pre-war flagship; Lajoie #106 famous variation.
| name | centering-measurement-discipline |
| description | Use when measuring centering before submission, or auditing a grade you disagree with. Covers 55/45, 60/40, 65/35 thresholds across graders. |
Centering is L/R · T/B ratios. Measure inner-border to inner-border, divide smaller by larger, take the worse axis as your grade.
| L/R or T/B | PSA cap | BGS cap | SGC cap |
|---|---|---|---|
| 50/50–55/45 | 10 | 10 Pristine | 10 |
| 55/45–60/40 | 9 | 9.5 | 9.5 |
| 60/40–65/35 | 8 | 9 | 9 |
| 65/35–70/30 | 7 | 8.5 | 8 |
| Worse than 70/30 | 6 or qualifier | 8 | 7 |
On a 2.5" × 3.5" card, 1mm ≈ 1.5% of width. Anything visible to the naked eye is already off a 10 candidate.
Used by the CardPrepAI Concierge tool to pre-screen submissions. Saves customers $25-50 per off-center card they would have submitted blind.