AdvancedClaude Code

Shopify Theme Customizer

Shopify Theme Customizer is an ecommerce AI skill for Claude Code, built for teams working with Shopify. Use it to improve a product page, shopping journey, or…

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Shopify
System Prompt Original link: no public source found
01

What this Skill does

You are preparing to improve a product page, shopping journey, or checkout experience. Validate one concrete path first: Add estimated delivery date to product pages; Build custom collection filtering UI. Once it holds up, focus on validating whether one page, guidance, or… Start with a small test around “Add estimated delivery date to product pages”, then check whether “Build custom collection filtering UI” fits the way your team actually works.

02

What makes it different

01

Produces the requested working draft

The source is designed to produce the specific draft or structured output described in its instruction, using the information supplied in the conversation.

03

Before you use it

Source file or structured data

This instruction refers to file or tabular input. Prepare the requested file and confirm that the model you use can read it.

04

No installation needed

Copy and paste into a model chat
  1. Expand and copy the complete original Skill.md below.
  2. Open a new conversation in a compatible AI model, then paste it into the chat box.
  3. Add verified task details, run one low-risk example, and review the result before using it in store operations.
05

Original Skill.md

The complete source is shown below. Copy it from the top right to use it.

You are a Shopify theme development agent with direct access to the store's theme files via the Shopify Admin API.

CAPABILITIES:
1. Navigate theme structure: sections/, templates/, snippets/, assets/, config/
2. Read and modify Liquid templates, JSON schemas, CSS, and JavaScript
3. Generate new sections with proper schema definitions
4. Optimize theme performance (lazy loading, image optimization, CSS minification)
5. Add custom metafields and dynamic content blocks
6. Ensure responsive design across mobile/tablet/desktop

WORKFLOW:
1. Understand the request → ask clarifying questions if needed
2. Backup current theme before modifications
3. Identify files to modify → propose changes → get approval
4. Implement with clean, commented Liquid code
5. Suggest testing steps

RULES:
- Always use theme app extensions instead of direct code injection when possible
- Follow Shopify's Liquid best practices and performance guidelines
- Use schema settings for configurable options (don't hardcode)
- Comment complex logic for future developers
- Test for accessibility (keyboard nav, screen readers, color contrast)
06

Get started

Starter prompts for the main use cases—copy and use them directly.

01

Start with one real task

Do not begin with a store-wide rollout. Pick one reversible task where Shopify Theme Customizer can help you improve product discovery, merchandising, and onsite conversion. Use this when the input boundary, owner, and one primary measure from conversion rate, revenue per visitor, add-to-cart rate, and guardrail metrics are written down.

Show prompt and variablesHide prompt and variables
Use the Skill above to help me with this task: Start with one real task.

Task details: [TASK_DETAILS]
Constraints or policies to follow: [CONSTRAINTS]

Do not begin with a store-wide rollout. Pick one reversible task where Shopify Theme Customizer can help you improve product discovery, merchandising, and onsite conversion.

Return a practical result and clearly flag anything that needs human review.

Replace these variables

[TASK_DETAILS]
The facts, context, or source material for this task.
[CONSTRAINTS]
Replace this placeholder with your verified store-specific information.
02

Prepare the input and guardrails

Collect only the traffic and funnel data, the current page or theme, product rules, and a measurable hypothesis needed for this test. Remove unrelated personal data and state which actions must never run automatically. Use this when every input has a known source, sensitive fields are minimized, and the approver knows what the trial can read or change.

Show prompt and variablesHide prompt and variables
Use the Skill above to help me with this task: Prepare the input and guardrails.

Task details: [TASK_DETAILS]
Constraints or policies to follow: [CONSTRAINTS]

Collect only the traffic and funnel data, the current page or theme, product rules, and a measurable hypothesis needed for this test. Remove unrelated personal data and state which actions must never run automatically.

Return a practical result and clearly flag anything that needs human review.

Replace these variables

[TASK_DETAILS]
The facts, context, or source material for this task.
[CONSTRAINTS]
Replace this placeholder with your verified store-specific information.
03

Inspect the source Skill, then run it

Read the source, installation method, and permission notes before adding Shopify Theme Customizer to a separate test project. Keep commands and Skill text exactly as published. Use this when you have a conversion experiment or merchandising change that a responsible operator can inspect, and it stayed inside the approved boundary.

Show prompt and variablesHide prompt and variables
Use the Skill above to help me with this task: Inspect the source Skill, then run it.

Task details: [TASK_DETAILS]
Constraints or policies to follow: [CONSTRAINTS]

Read the source, installation method, and permission notes before adding Shopify Theme Customizer to a separate test project. Keep commands and Skill text exactly as published.

Return a practical result and clearly flag anything that needs human review.

Replace these variables

[TASK_DETAILS]
The facts, context, or source material for this task.
[CONSTRAINTS]
Replace this placeholder with your verified store-specific information.
04

Review it against a baseline

Do not judge the result by fluency. Compare it with source data, the current SOP, and the pre-test baseline; record factual errors, omissions, and editing time. Use this when conversion rate, revenue per visitor, add-to-cart rate, and guardrail metrics has a pre-test baseline, and errors and exceptions are logged separately.

Show prompt and variablesHide prompt and variables
Use the Skill above to help me with this task: Review it against a baseline.

Task details: [TASK_DETAILS]
Constraints or policies to follow: [CONSTRAINTS]

Do not judge the result by fluency. Compare it with source data, the current SOP, and the pre-test baseline; record factual errors, omissions, and editing time.

Return a practical result and clearly flag anything that needs human review.

Replace these variables

[TASK_DETAILS]
The facts, context, or source material for this task.
[CONSTRAINTS]
Replace this placeholder with your verified store-specific information.

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Task effectiveness
Setup and ease of use
Reliability and guardrails
Documentation clarity
Time to first useful result
Author / maintainer

Network-collected; original author unavailable.

The complete available Skill content is cataloged and reviewed; public web material does not currently name the original author. Attribution does not affect its directory visibility or content-based recommendation eligibility.

Risk, permissions, and limitations

Review third-party permission scopes before providing store data. Never paste payment credentials, customer passwords, or unnecessary personal data into a model. Outputs must be checked by the operator responsible for the workflow.

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