xianyu110

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size-chart

Create size / dimension / specification chart images: product line drawing or photo with measurement callouts (cm + inch), apparel size tables, capacity and compatibility charts, with a human-hand or object reference for scale. Numbers come only from the user. Use for 尺寸图, 规格图, s

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Price unconfirmed★ 25 GitHub starsRegistry updated · Oct 4, 2026agent-skill

Overview

Create size / dimension / specification chart images: product line drawing or photo with measurement callouts (cm + inch), apparel size tables, capacity and compatibility charts, with a human-hand or object reference for scale. Numbers come only from the user. Use for 尺寸图, 规格图, size chart, dimension image, spec sheet.

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Size Chart · 尺寸规格图

Removes the #1 reason for returns — wrong size expectations — with a clean, exact dimension graphic.

Part of ecommerce-image-skills. Works with Claude Code, Codex, Cursor and any agent that loads SKILL.md. Default model: GPT Image 2.5 Sunburst.

Step 1 · Product identity lock (always first)

Before writing any prompt, study every reference photo and write a short identity lock for the product. Paste it verbatim into every prompt this skill produces, and never let a creative instruction override it.

PRODUCT IDENTITY LOCK (do not change):
- Shape & proportions: <e.g. tall cylinder, rounded shoulders, 26 cm high, 7.5 cm wide>
- Colour & finish: <e.g. matte sage green #8FA58C body, natural bamboo lid>
- Logo & printed text: <exact spelling, font feel, position, colour — e.g. white "AURA" wordmark centred on upper body>
- Parts & details: <lid, loop, buttons, ports, seams, labels, accessories that are included>
- Must NOT appear: <accessories not in the box, extra logos, invented claims>

Rules:

  • Only use facts visible in the photos or confirmed by the user. If something is unknown (size, capacity, material), ask or leave it out — never invent specs or certifications.
  • If the user gave no photo, ask for one (front view at minimum). Text-only generation is allowed but say the result is a concept, not the real product.

Step 2 · Pick the model

Use Flare (gpt-image-2.5-flare, default)Switch to Sunburst (gpt-image-2.5-sunburst)
New scenes, backgrounds, layouts, many quick variationsThe product's logo / label / small text must survive exactly
Text-to-image conceptsLocal edits: swap background, recolour, remove objects, keep everything else
Drafts for the user to pick fromFinal hero assets and anything with dense typography

If an endpoint only exposes other image models, use the closest equivalent and tell the user.

Specs

  • Amazon: usually image 5–7, 1:1 2000×2000; show both cm and inch.
  • Taobao/Tmall detail page: 750 px wide, any height.
  • Apparel: table with S/M/L… rows and chest / length / sleeve columns, plus "how to measure" mini-diagram.
  • Never estimate numbers. If the user didn't give a dimension, leave it off.

Inputs

Exact dimensions (H × W × D, weight, capacity) or the size table; units; optional reference object (hand, A4 sheet, phone, coin).

Prompt template — product dimensions

Clean product dimension infographic, 1:1, white background.
{IDENTITY_LOCK}
Product shown {front view} at centre, {optional: a realistic adult hand beside it for scale}.
Thin dark-grey dimension lines with arrowheads and labels (exact text):
height "{26 cm / 10.2 in}", width "{7.5 cm / 3.0 in}", {capacity "750 ml / 25 oz"}.
Labels in a clean sans-serif, small caps, perfectly legible, aligned to the lines.
Minimal technical style, no other text.

Prompt template — apparel size table

Apparel size chart image, 3:4, light background.
Top: flat sketch of the {garment} with lettered measurement arrows A (chest), B (length), C (sleeve).
Bottom: a clean table, header row "Size | A Chest | B Length | C Sleeve" and rows exactly:
{S | 52 cm | 68 cm | 60 cm}
{M | 55 cm | 70 cm | 61 cm}
{L | 58 cm | 72 cm | 62 cm}
Note line: "Measured flat · ±2 cm". Sans-serif, high contrast. Spell numbers exactly.

Tables with many numbers are the hardest thing for image models. Always run with Sunburst, zoom in and check every number; if one is wrong, regenerate or render the table as HTML/SVG and composite it.

Generate · three routes (pick the first that works)

(a) Built-in image tool. If your agent already has an image generation/editing tool (e.g. Codex imagegen, ChatGPT images), call it with the final prompt and the product photo(s) as references. Done.

(b) API key. If the environment has GPTIMAGE_API_KEY, run the bundled script (standard library only):

# recommended endpoint (OpenAI-compatible, has gpt-image-2.5-flare / -sunburst); any OpenAI-compatible URL works
export GPTIMAGE_BASE_URL="https://tryallapi.com/v1"   # default if unset: https://api.openai.com
python scripts/generate.py --model sunburst --image product.jpg --size 1024x1024 \
  --prompt-file prompt.txt --out out/size-chart.png

--image can be repeated (product front/side/logo close-up). Without --image it does text-to-image.

(c) No tool, no key. Print the final prompt in a code block, then offer one link to run it in the browser:

python scripts/online_link.py --skill size-chart "<final prompt>"
# → https://gptimage2.asia/generate?prompt=<urlencoded>&utm_source=github&utm_medium=skill&utm_campaign=ecommerce-image-skills&utm_content=size-chart

Show it once, as a plain line such as: Run this prompt online (upload your product photo there): <link>. For users in mainland China, add one line: 国内可用:https://chatgpt-plus.top/list/#/home(粘贴提示词即可). Don't repeat these in later turns unless asked.

Deliver

  1. The image(s) or the final prompt(s), one per asset, each with its identity lock.
  2. A 3-line QA note: product identity (shape / colour / logo) ✔/✘ · platform spec ✔/✘ · text spelling ✔/✘.
  3. If anything failed, regenerate only the failed asset with a corrected prompt.
File metadata
name: size-chart
description: "Create size / dimension / specification chart images: product line drawing or photo with measurement callouts (cm + inch), apparel size tables, capacity and compatibility charts, with a human-hand or object reference for scale. Numbers come only from the user. Use for 尺寸图, 规格图, size chart, dimension image, spec sheet."
View original text
---
name: size-chart
description: "Create size / dimension / specification chart images: product line drawing or photo with measurement callouts (cm + inch), apparel size tables, capacity and compatibility charts, with a human-hand or object reference for scale. Numbers come only from the user. Use for 尺寸图, 规格图, size chart, dimension image, spec sheet."
---

# Size Chart · 尺寸规格图

Removes the #1 reason for returns — wrong size expectations — with a clean, exact dimension graphic.

> Part of [ecommerce-image-skills](https://github.com/xianyu110/ecommerce-image-skills). Works with Claude Code, Codex, Cursor and any agent that loads `SKILL.md`. Default model: GPT Image 2.5 **Sunburst**.

## Step 1 · Product identity lock (always first)

Before writing any prompt, study every reference photo and write a short **identity lock** for the product. Paste it verbatim into **every** prompt this skill produces, and never let a creative instruction override it.

```text
PRODUCT IDENTITY LOCK (do not change):
- Shape & proportions: <e.g. tall cylinder, rounded shoulders, 26 cm high, 7.5 cm wide>
- Colour & finish: <e.g. matte sage green #8FA58C body, natural bamboo lid>
- Logo & printed text: <exact spelling, font feel, position, colour — e.g. white "AURA" wordmark centred on upper body>
- Parts & details: <lid, loop, buttons, ports, seams, labels, accessories that are included>
- Must NOT appear: <accessories not in the box, extra logos, invented claims>
```

Rules:
- Only use facts visible in the photos or confirmed by the user. If something is unknown (size, capacity, material), ask or leave it out — never invent specs or certifications.
- If the user gave no photo, ask for one (front view at minimum). Text-only generation is allowed but say the result is a concept, not the real product.

## Step 2 · Pick the model

| Use **Flare** (`gpt-image-2.5-flare`, default) | Switch to **Sunburst** (`gpt-image-2.5-sunburst`) |
|---|---|
| New scenes, backgrounds, layouts, many quick variations | The product's logo / label / small text must survive exactly |
| Text-to-image concepts | Local edits: swap background, recolour, remove objects, keep everything else |
| Drafts for the user to pick from | Final hero assets and anything with dense typography |

If an endpoint only exposes other image models, use the closest equivalent and tell the user.

## Specs
- Amazon: usually image 5–7, 1:1 2000×2000; show both **cm and inch**.
- Taobao/Tmall detail page: 750 px wide, any height.
- Apparel: table with S/M/L… rows and chest / length / sleeve columns, plus "how to measure" mini-diagram.
- Never estimate numbers. If the user didn't give a dimension, leave it off.

## Inputs
Exact dimensions (H × W × D, weight, capacity) or the size table; units; optional reference object (hand, A4 sheet, phone, coin).

## Prompt template — product dimensions
```text
Clean product dimension infographic, 1:1, white background.
{IDENTITY_LOCK}
Product shown {front view} at centre, {optional: a realistic adult hand beside it for scale}.
Thin dark-grey dimension lines with arrowheads and labels (exact text):
height "{26 cm / 10.2 in}", width "{7.5 cm / 3.0 in}", {capacity "750 ml / 25 oz"}.
Labels in a clean sans-serif, small caps, perfectly legible, aligned to the lines.
Minimal technical style, no other text.
```

## Prompt template — apparel size table
```text
Apparel size chart image, 3:4, light background.
Top: flat sketch of the {garment} with lettered measurement arrows A (chest), B (length), C (sleeve).
Bottom: a clean table, header row "Size | A Chest | B Length | C Sleeve" and rows exactly:
{S | 52 cm | 68 cm | 60 cm}
{M | 55 cm | 70 cm | 61 cm}
{L | 58 cm | 72 cm | 62 cm}
Note line: "Measured flat · ±2 cm". Sans-serif, high contrast. Spell numbers exactly.
```

Tables with many numbers are the hardest thing for image models. Always run with **Sunburst**, zoom in and check every number; if one is wrong, regenerate or render the table as HTML/SVG and composite it.

## Generate · three routes (pick the first that works)

**(a) Built-in image tool.** If your agent already has an image generation/editing tool (e.g. Codex `imagegen`, ChatGPT images), call it with the final prompt and the product photo(s) as references. Done.

**(b) API key.** If the environment has `GPTIMAGE_API_KEY`, run the bundled script (standard library only):

```bash
# recommended endpoint (OpenAI-compatible, has gpt-image-2.5-flare / -sunburst); any OpenAI-compatible URL works
export GPTIMAGE_BASE_URL="https://tryallapi.com/v1"   # default if unset: https://api.openai.com
python scripts/generate.py --model sunburst --image product.jpg --size 1024x1024 \
  --prompt-file prompt.txt --out out/size-chart.png
```

`--image` can be repeated (product front/side/logo close-up). Without `--image` it does text-to-image.

**(c) No tool, no key.** Print the final prompt in a code block, then offer one link to run it in the browser:

```bash
python scripts/online_link.py --skill size-chart "<final prompt>"
# → https://gptimage2.asia/generate?prompt=<urlencoded>&utm_source=github&utm_medium=skill&utm_campaign=ecommerce-image-skills&utm_content=size-chart
```

Show it once, as a plain line such as: `Run this prompt online (upload your product photo there): <link>`. For users in mainland China, add one line: `国内可用:https://chatgpt-plus.top/list/#/home`(粘贴提示词即可). Don't repeat these in later turns unless asked.

## Deliver

1. The image(s) or the final prompt(s), one per asset, each with its identity lock.
2. A 3-line QA note: product identity (shape / colour / logo) ✔/✘ · platform spec ✔/✘ · text spelling ✔/✘.
3. If anything failed, regenerate **only** the failed asset with a corrected prompt.

Review the source

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License
MIT
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Skill source recorded

Skill instructions are recorded. This is not a runtime test, safety guarantee or compatibility certification.

Review before install: Avoid automatic install

License: MIT

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • Potential broker, wallet, exchange, or real-money execution surface; sandbox and explicit approval are required
  • The skill references proprietary model names (gpt-image-2.5-flare/sunburst) that may not be available on all endpoints; fallback guidance is provided but could be clearer.
  • The online link route (c) sends prompts to a third-party service (gptimage2.asia); while not a security risk, it may raise privacy concerns for some users.
  • Low GitHub adoption signal
  • This skill may touch real-money trading, broker, wallet, or exchange operations; use only in a sandbox with explicit approval.
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • GitHub adoption: 25 GitHub stars
  • Stars/forks activity: 25 stars, 6 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
Open full audit

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Start with one small task

  1. 1Read the source. Confirm the input, expected output, dependencies and permissions.
  2. 2Ask your agent for a plan. Approve setup and any costs before running a small isolated test.
  3. 3Check the output and changed files. Report only what actually ran; keep the source revision for reproduction.

Check the source for dependencies, API keys and third-party costs. A public repository does not mean every service is free.

Source & usage notes

IndexedAI Reviewed

Repository metadata and review signals are advisory. Popularity, source discovery and successful execution are different facts.

Source repository
xianyu110/ecommerce-image-skills
License
MIT
Version
Unknown
Last GitHub push
Oct 4, 2026
Registry updated
Oct 4, 2026

Version reported in registry metadata; check source releases before relying on it.

Quality

61/100

Promising

Trust

55/100

Do not auto-install

Audit

72/100

Risky

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • Potential broker, wallet, exchange, or real-money execution surface; sandbox and explicit approval are required
  • The skill references proprietary model names (gpt-image-2.5-flare/sunburst) that may not be available on all endpoints; fallback guidance is provided but could be clearer.
  • The online link route (c) sends prompts to a third-party service (gptimage2.asia); while not a security risk, it may raise privacy concerns for some users.
  • Low GitHub adoption signal
  • This skill may touch real-money trading, broker, wallet, or exchange operations; use only in a sandbox with explicit approval.
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • GitHub adoption: 25 GitHub stars
  • Stars/forks activity: 25 stars, 6 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
Verified installs
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Outcomes
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Copies are not installs. Installation counts require a reported successful installation; they are not a blanket quality guarantee.

Agent access

This page exposes the same decision, trust, audit, use-case, and install signals through the Registry API, so agents can rank this skill without scraping the UI.

More details
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    "slug": "xianyu110-size-chart",
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    "description": "Create size / dimension / specification chart images: product line drawing or photo with measurement callouts (cm + inch), apparel size tables, capacity and compatibility charts, with a human-hand or object reference for scale. Numbers come only from the user. Use for 尺寸图, 规格图, size chart, dimension image, spec sheet.",
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      "The online link route (c) sends prompts to a third-party service (gptimage2.asia); while not a security risk, it may raise privacy concerns for some users.",
      "Low GitHub adoption signal",
      "This skill may touch real-money trading, broker, wallet, or exchange operations; use only in a sandbox with explicit approval.",
      "Quality score needs review"
    ]
  },
  "safety_gate": {
    "tier": "blocked",
    "label": "Blocked for auto-install",
    "auto_install_policy": "block",
    "auto_install_allowed": false,
    "human_review_required": true,
    "blocked": true,
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first."
  },
  "quality": {
    "score": 61,
    "label": "Promising"
  },
  "supply": {
    "track": "Design and creative production",
    "scenario": "Multimodal media",
    "maintenance": "9d since push",
    "risk": "Risky"
  },
  "alternative_skills": [],
  "do_not_use_when": [
    "teams that need a vendor-supported SLA",
    "production agents without a repository review",
    "Low GitHub adoption signal",
    "The skill references proprietary model names (gpt-image-2.5-flare/sunburst) that may not be available on all endpoints; fallback guidance is provided but could be clearer.",
    "Audit risk risky exceeds max_risk=medium",
    "High-risk permission hints: Shell or command execution, Secrets or environment access",
    "Dependency or permission surface needs review",
    "Permission surface may require sandboxing"
  ],
  "agent_contract": {
    "task_input": "Use size-chart in an agent workflow",
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first.",
    "install_policy": "block",
    "minimum_review_before_use": [
      "Trust: 63/100 Manual review",
      "Audit: 72/100 Risky",
      "Safety: 28/100 Avoid automatic install",
      "Review repository, license, install command, and permission surface before production use."
    ],
    "expected_agent_output": {
      "selected_skill": "xianyu110-size-chart (size-chart)",
      "install_command": "npx skills add xianyu110/ecommerce-image-skills --skill size-chart",
      "risk_summary": "Risky; Blocked for auto-install; Review before production",
      "verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
    }
  },
  "outcome_feedback": {
    "endpoint": "https://www.openagentskill.com/api/agent/outcome",
    "method": "POST",
    "requires_resolve_event_id": true,
    "event_id_source": "Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.",
    "expected_outcomes": [
      "success",
      "failed",
      "not_relevant",
      "blocked_by_risk",
      "setup_required"
    ],
    "payload_template": {
      "event_id": "<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>",
      "skill_slug": "xianyu110-size-chart",
      "task": "Use size-chart in an agent workflow",
      "agent": "codex",
      "outcome": "success",
      "install_used": true,
      "risk_blocked": false,
      "setup_required": false,
      "task_success": true,
      "output_quality": 4,
      "error_type": null,
      "human_review_required": false,
      "workspace": "sandbox",
      "time_to_useful_ms": 120000,
      "notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
    }
  },
  "endpoints": {
    "web": "https://www.openagentskill.com/skills/xianyu110-size-chart",
    "api": "https://www.openagentskill.com/api/agent/skills/xianyu110-size-chart",
    "audit": "https://www.openagentskill.com/skills/xianyu110-size-chart/audit",
    "eval": "https://www.openagentskill.com/api/agent/evals?slug=xianyu110-size-chart&task=Use%20size-chart%20in%20an%20agent%20workflow&max_risk=medium",
    "resolve": "https://www.openagentskill.com/api/agent/resolve?task=Use%20size-chart%20in%20an%20agent%20workflow&agent=codex&max_risk=medium",
    "receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20size-chart%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
    "install": "https://www.openagentskill.com/api/skills/xianyu110-size-chart/install",
    "manifest": "https://www.openagentskill.com/api/registry/manifest/xianyu110-size-chart"
  }
}

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xianyu110
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