image-reading

image-reading is a skill for Claude Code, Codex from jing-hy/picturereader-zcode. It costs 72 tokens per session (2,007 once invoked), scanned A, original, MIT.

An image-reading workflow for examining pictures, identifying subjects, checking text, judging materials, and combining the findings into a description.

In plain words
What is it for?
Use it to describe images, read text in them, inspect specific regions, and compare visual evidence across images.
Why use it?
It provides a structured way to inspect images and distinguish directly observed details from guesses.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to describe images, read text in them, inspect specific regions, and compare visual evidence across images.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jing-hy/picturereader-zcode/image-reading
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add jing-hy/picturereader-zcode --skill image-reading
Clone the repo
git clone --depth 1 https://github.com/jing-hy/picturereader-zcode

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for image-reading

README.md
[![agentmods](https://agentmods.dev/badge/skills/jing-hy/picturereader-zcode/image-reading/github.svg)](https://agentmods.dev/skills/jing-hy/picturereader-zcode/image-reading)
Your own site
<a href="https://agentmods.dev/skills/jing-hy/picturereader-zcode/image-reading"><img src="https://agentmods.dev/badge/skills/jing-hy/picturereader-zcode/image-reading/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for image-reading

Your own site · 80×15
<a href="https://agentmods.dev/skills/jing-hy/picturereader-zcode/image-reading"><img src="https://agentmods.dev/badge/skills/jing-hy/picturereader-zcode/image-reading.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,007 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00072 $0.02007
Opus 5.5 $0.00029 $0.00803
Sonnet 5.5 $0.00014 $0.00401
Haiku 4.5 $0.00007 $0.00201

Measured 2mo ago against content hash 24ab81cd0249, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

image-reading scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/image-reading/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

读图方法论(image-reading)

目标:像多模态模型一样"看"图并输出连贯描述,每个结论可追溯、可验证。 本 skill 由 experience / skill / principle / insight 四层知识构成(按 Gogomoe 知识框架分类,教训均来自对真实图片的实测复盘)。

操作流程(skill)

1. 全局定调(第一轮扫描)

用默认参数(size=40)全图扫描,读四个字段:

  • hue families(最高优先级):按纯色相分族的真实占比。暗调/低饱和场景的 真实颜色只在这里——colors by area 灰白占比高不代表画面灰白。
  • structure:平行条带/对称性(解读见 insights)。
  • texture:rough 高=写实照片;smooth 高=扁平或水面/天空/雾(见 insights)。
  • regions:大结构的位置/大小/颜色。

2. 找主体(全局→局部,主动验证)

  • 对颜色异常区、深色大块、相邻竖长色块、小色块密集区用 px_per_cell 定向放大 (值越小越细:8-12 看轮廓,4-6 看结构,2-3 看细节;区域不够小时工具会提示实际密度,缩小 focus/region 重试)。
  • 放大后按形状解读:头+肩+躯干=人物;弧线+对称明暗=圆柱/球/装置; 竖直细长结构=石柱/塔/杆;交替细条=面板/栅格。
  • 主体可能与背景低对比而"隐形"(见 insights 4)——怀疑处必须放大确认,不能因 regions 未单列就跳过。

3. 文字验证

  • 疑似文字/标识/UI → image_ocr(region/focus 限定)。
  • Windows 引擎读不出但怀疑有字 → engine="paddle" 重试(发光/弯曲/游戏渲染文字)。
  • OCR 结果优先于模型描述(见 insights 3)。

4. 材质判断

image_sample 对小块区域 8×8 取样,看 RGB 分布与 contrast 统计 (平滑渐变=天空/皮肤/水面;高对比条纹=金属/木纹;暗绿 G>R>B=植物/涂装)。

5. 综合描述

输出连贯描述(场景/主体/环境光线/细节),每个结论标注证据等级: 实锤(有像素/OCR/取样数据)vs 推断(基于结构推测,用"看起来像")。 优先引用具体数字;不确定就说不确定,绝不编造。

行为准则(principles)

  1. 证据分级:任何结论标注"实测"或"推断";推断必须说明依据。
  2. 数字优先:用具体指标("蓝色调 74%""对称 80%""OCR 读出 1.00")支撑描述,不用模糊形容词代替。
  3. 先全局后局部:第一轮定调,第二轮定向放大验证,不跳步。
  4. 怀疑即验证:对任何"可能漏掉的主体",用放大/取样/OCR 验证后再下结论。
  5. 不编造:不确定就说明;模型(含多模态)的描述不可直接当作事实(见 insights 3)。

规律性洞察(insights,跨图归纳)

  1. 暗调场景的真实颜色只在 hue families 里:低饱和/暗色调(暮色、雾中、夜景) 会被 14 色色板压成灰黑,colors 的灰白占比是假象——hue families 按纯色相分族不受影响。
  2. 高对称 ≠ 一定人造物:水面倒影/镜像构图也高度对称。区分看:平滑大面积 (水面/天空 smooth 高)+ 水天分界线(上亮下暗、上下镜像)+ 竖直细长结构(石柱) = 湖泊/自然镜像;纹理复杂、颜色单调、几何硬边 = 人造建筑/装置。
  3. 小模型读小字不可靠:多模态小模型对低分辨率文字会幻觉(全图"读出"内容、 裁剪后承认没有);发光/弯曲/艺术字 Windows OCR 也失效——文字一律以 OCR 实读为准。
  4. 低对比主体"隐形":暗色物体(如深色服装人物)在暗背景中融入背景黑块, 粗网格和 regions 都不会标出——对深色区域主动放大是唯一可靠发现方式。
  5. 平滑大面积 ≠ 扁平简笔画:水面、天空、雾气、墙面都平滑(smooth 高), 需结合色调/结构/场景判断,不能仅凭 smooth 判定"扁平"。
  6. "像什么"和"是什么"要分开:结构证据(对称/形状/色调)支撑"像什么"; "是什么"需要 OCR/取样/更强证据,不满足时保持推断。
  7. hue families 是场景类型指纹(34 张图训练归纳):
    • cyan 高(>60%)= 水/雾/湖泊/晨雾场景(东方水景、浓雾遗址)
    • green 高(>40%)= 森林/竹林/草地/苔藓
    • orange 或 red 高 = 红披风/暖色服饰人物、火光、晚霞
    • blue 高(>70%)= 夜晚/冷色科幻场景
    • achromatic 高 + rough 高 = 废墟/岩石/暗环境
    • green + yellow 双高 = 翠绿能量带/发光植被/浮空仙境
    • 对称高 + 中央竖直结构 = 中央主体(瀑布/树/大门)居中构图
  8. 多模态模型的颜色描述对"发光/能量"不可靠(训练中反复出现):把实测为 cyan/blue/green 的冷色发光(屏幕光、能量屏障、雾中光柱)系统性说成"粉红/紫色"。 发光元素的颜色一律以 hue 实测为准。
  9. 人物识别信号:orange/red 主调 + 局部暖色小块 + 对称 = 人物服饰候选; 游戏角色常穿红/橙(红披风、红发、暖色战斗服),识别到暖色主调时应主动放大找人物。
  10. 品牌/游戏名/标题文字:多模态模型会猜错("原神""崩坏3"实际是明日方舟终末地), 必须 PaddleOCR 实读(游戏 HUD 底部常带游戏名/参数/水印)。

Read the full file on GitHub · 97 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 97 lines · 72 tokens per session scan A 24ab81cd0249

Subscribe to this mod's changes

image-reading is a skill published in the GitHub repository jing-hy/picturereader-zcode (2 stars, last pushed 2mo ago), licensed MIT. It adds 72 tokens to every session and 2,007 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

image-reading compared with skills from other repositories

image-reading next to 6 skills from other repositories
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