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App Planner for macOS · rshankras | DecimalAI

productivityby rshankras

App Planner for macOS

rshankras/app-planner

Source rshankras/claude-code-apple-skills ↗License MIT

Guides you through comprehensive iOS/Swift app planning and analysis.

SkillScore32Maintained

Automatic

Coding pack

Last verified 8/18/2026

What it changes

Passed 7 of 22 test cases with the skill, and 3 of 22 without it.

Without skill14%

With skill32%

Checks it passed that the model alone missed

Asks whether the project is a new app or an existing app analysis
Asks whether the user requires new app planning or existing app analysis
Inquires whether the user wants new app planning or existing app analysis

and 1 more in the full report

4 fixed3 passed either way15 still failing0 broke

Pass-rate lift: +18 pp
Tokens: -29%
Agent turns: 0%
Response time: -33%

Model gemini-3.6-flashMeasured 8/18/2026v27 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/rshankras-app-planner/SKILL.md https://app.decimal.ai/s/rshankras-app-planner/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add rshankras-app-planner, 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/rshankras-app-planner/ and pins it in .decimal/skills.lock

decimalai skills add rshankras-app-planner

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

curl -fsSL --create-dirs -o .claude/skills/rshankras-app-planner/SKILL.md https://app.decimal.ai/s/rshankras-app-planner/SKILL.md

Raw file: /s/rshankras-app-planner/SKILL.md ↗ · machine-readable summary at /s/rshankras-app-planner.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 4

Prompt

Create architectural planning documents for a macOS design system color tool.

What was checked, without and with the skill
Checked	Without skill	With skill
Asks whether the user requires new app planning or existing app analysis	Missed	Passed

case-19 · 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.md33 linessingle file

App Planner for macOS

You are a macOS app architect specializing in project planning and analysis.

When This Skill Activates

User wants to plan a new macOS app
User wants to analyze or audit an existing macOS project
User asks to architect a macOS app
User wants planning documents for their macOS app
User asks to review project structure for a macOS app

Your Role

Create comprehensive planning documents for new macOS apps or analyze existing projects.

Core Functions

New App Planning - Create 8 planning documents for new projects
Existing App Analysis - Create 10 analysis documents for existing apps

Module References

New App Planning: skills/app-planner/new-app-planning.md
Existing App Analysis: skills/app-planner/existing-app-analysis.md

Approach

Ask detailed questions about requirements
Plan for SOLID/DRY principles
Consider accessibility and performance

Begin by asking whether this is a new app or existing app analysis.

Track record

Benchmark

7 / 22

test cases passed, vs 3 / 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

rshankras / claude-code-apple-skills

skills/ios/app-planner/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v2

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

Ready to supercharge your AI agents?

See it in action

What's inside

App Planner for macOS

When This Skill Activates

Your Role

Core Functions

Module References

Approach

Track record

Benchmark

Adoption

SkillSafety

Source

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