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Playdate Build Workflow · wintermuted | DecimalAI

devopsby wintermuted

Playdate Build Workflow

wintermuted/playdate-build-workflow

Source wintermuted/playdate-skills ↗License MIT

Playdate SDK build workflow — pdc compiler usage, PLAYDATE_SDK_PATH environment variable, building .pdx bundles, launching the Playdate Simulator, and running desktop Lua unit tests without the simulator.

SkillScore87Maintained

Automatic

Coding pack

Last verified 8/3/2026

What it changes

Passed 20 of 23 test cases with the skill, and 14 of 23 without it.

Without skill61%

With skill87%

Checks it passed that the model alone missed

Maps the Z key to the A button.
Includes the -q flag on the pdc compilation command.
Maps mouse scroll wheel movement to controlling the crank.

and 7 more in the full report

6 fixed14 passed either way3 still failing0 broke

Pass-rate lift: +26 pp
Tokens: +4%
Agent turns: 0%
Response time: -55%

Model gemini-3.6-flashMeasured 8/3/2026v120 of 23 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/wintermuted-playdate-build-workflow/SKILL.md https://app.decimal.ai/s/wintermuted-playdate-build-workflow/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add wintermuted-playdate-build-workflow, 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/wintermuted-playdate-build-workflow/ and pins it in .decimal/skills.lock

decimalai skills add wintermuted-playdate-build-workflow

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

curl -fsSL --create-dirs -o .claude/skills/wintermuted-playdate-build-workflow/SKILL.md https://app.decimal.ai/s/wintermuted-playdate-build-workflow/SKILL.md

Raw file: /s/wintermuted-playdate-build-workflow/SKILL.md ↗ · machine-readable summary at /s/wintermuted-playdate-build-workflow.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 6

Prompt

I am setting up a key binding guide for team members testing Playdate games on desktop. What are the default keyboard keys mapped to the D-pad navigation controls and the primary A button in the Playdate Simulator?

What was checked, without and with the skill
Checked	Without skill	With skill
Maps Arrow keys to the D-pad controls.	Passed	Passed
Maps the Z key to the A button.	Missed	Passed

case-10 · gemini-3.6-flash · 8/3/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md103 linessingle file

Playdate Build Workflow

Prerequisites

Tool	Install
Playdate SDK	https://play.date/dev/ — drag `PlaydateSDK` to `~/Developer/PlaydateSDK`
`pdc` compiler	Bundled with SDK at `$PLAYDATE_SDK_PATH/bin/pdc`
Playdate Simulator	Bundled with SDK
Lua 5.4	`brew install lua` (macOS) — for desktop unit tests only

Shell Configuration

Add to ~/.zshrc:

export PLAYDATE_SDK_PATH="${HOME}/Developer/PlaydateSDK"
export PATH="${PLAYDATE_SDK_PATH}/bin:${PATH}"

Reload: source ~/.zshrc

Verify: pdc --version

Build

pdc src/ build/game.pdx

Input: src/ directory containing main.lua
Output: build/game.pdx bundle directory
The -q flag suppresses info-level output; remove it to see all compiler messages
pdc requires PLAYDATE_SDK_PATH to be set in the environment

Error format:

src/models/Actor.lua:12: unexpected symbol near 'end'

Track record

Benchmark

20 / 23

test cases passed, vs 14 / 23 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 — 8/1/2026

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

wintermuted / playdate-skills

playdate-build-workflow/SKILL.md

View on GitHub ↗

License MITImported 8/1/2026Version v1

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

Playdate Build Workflow

Prerequisites

Shell Configuration

Build

Track record

Benchmark

Adoption

SkillSafety

Source

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