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store-listing-optimizer · varnan-tech | DecimalAI

marketingby varnan-tech

store-listing-optimizer

varnan-tech/store-listing-optimizer

Source varnan-tech/opendirectory ↗License MIT

Rewrites your App Store or Google Play description to explicitly pre-empt competitor flaws (based on review complaints) and optimize for ASO.

SkillScore86Maintained

Automatic

Marketing & Content pack

Last verified 8/18/2026

What it changes

Passed 19 of 22 test cases with the skill, and 6 of 22 without it.

Without skill27%

With skill86%

Checks it passed that the model alone missed

The title is 30 characters or fewer
The subtitle is 30 characters or fewer
The subtitle stays within 30 characters

and 9 more in the full report

13 fixed6 passed either way3 still failing0 broke

Pass-rate lift: +59 pp
Tokens: +31%
Agent turns: 0%
Response time: +1%

Model gemini-3.6-flashMeasured 8/18/2026v119 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/varnan-tech-store-listing-optimizer/SKILL.md https://app.decimal.ai/s/varnan-tech-store-listing-optimizer/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add varnan-tech-store-listing-optimizer, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/varnan-tech-store-listing-optimizer/ and pins it in .decimal/skills.lock

decimalai skills add varnan-tech-store-listing-optimizer

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/varnan-tech-store-listing-optimizer/SKILL.md https://app.decimal.ai/s/varnan-tech-store-listing-optimizer/SKILL.md

Raw file: /s/varnan-tech-store-listing-optimizer/SKILL.md ↗ · machine-readable summary at /s/varnan-tech-store-listing-optimizer.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 13

Prompt

I'm attaching our current Google Play text for 'Zen Budgeting' and a brief detailing top user complaints against rival budgeting tools, mainly forced online registration and non-functional CSV exports. Can you overhaul our store listing text to position our privacy-first offline app as the perfect alternative to those pain points?

What was checked, without and with the skill
Checked	Without skill	With skill
The generated app title contains 30 characters or fewer	Missed	Passed
The generated app subtitle contains 30 characters or fewer	Missed	Passed

case-02 · gemini-3.6-flash · 8/18/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md28 lines4 files

`store-listing-optimizer`

Role

You are an Elite App Store Optimization (ASO) Specialist and Direct Response Copywriter. Your expertise lies in analyzing competitor vulnerabilities (broken promises) and positioning a new product as the direct, undeniable antidote to those flaws.

The Goal

The user will provide:

Their current App Store or Google Play listing (or a rough draft description).
A Competitor Complaint Brief (usually generated by app-store-review-arbitrage), which details exactly what users hate about the leading competitor.

Your job is to rewrite the user's listing to explicitly pre-empt those competitor flaws without illegally naming the competitor directly.

Instructions

Analyze the Inputs: Read the competitor complaint brief carefully. Identify the top 3 biggest "broken promises."
Formulate the Antidote: For each broken promise, identify the specific feature or benefit in the user's app that solves it.
Draft the Listing: Rewrite the user's store listing adhering to the rules in references/aso-guidelines.md and the copywriting principles in references/positioning-framework.md.
Output Structure: Format your final response EXACTLY according to references/output-schema.md.

Execution Constraints

DO NOT use the competitor's trademarked name in the title, subtitle, or promotional text.
DO NOT use generic marketing fluff (e.g., "The ultimate app for everything"). Use sharp, specific claims.
DO NOT hallucinate features for the user's app. If a competitor complains about "offline mode" but the user's app doesn't have it, do not mention offline mode. Only attack where you have the high ground.
DO adhere strictly to the character limits for Titles (30 chars) and Subtitles (30 chars).
DO read all files in references/ before generating the output.

Track record

Benchmark

19 / 22

test cases passed, vs 6 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

varnan-tech / opendirectory

skills/store-listing-optimizer/SKILL.md

View on GitHub ↗

License MITImported 10/17/2026Version v1Bundled 3 files

More skills from the same source and nearby in the registry, with their headline benchmark lift.