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Balance Check · donchitos | DecimalAI

testingby donchitos

Balance Check

donchitos/balance-check

Source donchitos/claude-code-game-studios ↗License MIT

Analyzes game balance data files, formulas, and configuration to identify outliers, broken progressions, degenerate strategies, and economy imbalances. Use after modifying any balance-related data or design.

SkillScore80Maintained

Automatic

Product Management pack

Last verified 10/10/2026

What it changes

Passed 16 of 20 test cases with the skill, and 6 of 20 without it.

Without skill30%

With skill80%

Checks it passed that the model alone missed

The response uses AskUserQuestion to prompt for user choices.
The response designates CONCERNS as the Health Summary verdict.
The response infers the balance domain from the loaded file contents.

and 10 more in the full report

11 fixed5 passed either way3 still failing1 broke5 errored

Pass-rate lift: +50 pp
Tokens: +65%
Agent turns: 0%
Response time: -43%

Model gemini-3.6-flashMeasured 10/10/2026v416 of 25 cases passed with skill · 20 comparable

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/donchitos-balance-check/SKILL.md https://app.decimal.ai/s/donchitos-balance-check/SKILL.md

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

decimalai skills add donchitos-balance-check

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

curl -fsSL --create-dirs -o .claude/skills/donchitos-balance-check/SKILL.md https://app.decimal.ai/s/donchitos-balance-check/SKILL.md

Raw file: /s/donchitos-balance-check/SKILL.md ↗ · machine-readable summary at /s/donchitos-balance-check.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 11

Prompt

The user chooses option [A] to fix a high-priority tuning knob in `assets/data/weapons.json` that originates from `design/gdd/combat.md`. What specific command warning or recommendation must be given before committing the change?

What was checked, without and with the skill
Checked	Without skill	With skill
The response instructs the user to run `/propagate-design-change` on the affected GDD path.	Missed	Passed

case-14 · gemini-3.6-flash · 10/10/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md192 linessingle file

!bash "${CLAUDE_SKILL_DIR}/../../hooks/yaml-helper.sh" resolve_config --keys automation

Balance Check

Every AskUserQuestion call follows .claude/docs/automation-modes.md (collaborative asks always · guided major-only · autonomous logs and proceeds; automation_always_ask categories always prompt).

Insufficient input — check this before producing any report

If the inputs this skill needs do not exist, the answer is "could not run" — not a filled-in report. Check first, and stop if the check fails.

List the inputs this skill reads (data files, prior reports, profiler output, test results, registries, source code).
For each, record FOUND or ABSENT — not "assumed present".
If any input required for a section is ABSENT, that section is NOT ASSESSED — NO DATA. Do not estimate it, do not infer it from an adjacent artifact, and do not leave a mandated cell to be filled by whoever reads the template next.
If every required input is ABSENT, stop and report NOT ASSESSED — NO DATA as the whole verdict, naming what was missing and which skill produces it.

A verdict of NOT ASSESSED is a success. It is the correct, useful answer to "what does the data say?" when there is no data. The failure mode this prevents is specific: a report whose verdict enum has no "could not run" state produces false clean passes — an asset audit returning COMPLIANT on a project with no assets and no standards, or a performance profile reporting ">99% headroom against a 16.67ms budget" with zero profiler data and no budget ever set.

Absence of evidence is never evidence of absence. A scan that finds no matches because there are no files to scan has not verified anything. Say which of the two happened — a reader cannot tell from a green result.

Phase 1: Identify Balance Domain

Track record

Benchmark

16 / 20

test cases passed, vs 6 / 20 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan14 of 15 checks clean

0 critical · 0 warning · 2 info — scanner v5 — 10/8/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

No issues (informational notes only).

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

donchitos / claude-code-game-studios

.claude/skills/balance-check/SKILL.md

View on GitHub ↗

License MITImported 10/8/2026Version v4

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

bilal140202/gamedev-balance-checkAnalyzes game balance data files, formulas, and configuration to identify outliers, broken progressions, degenerate strategies, and economy imbalances. Use after modifying any balance-related data or design. Use when user says 'balance report', 'check game balance', 'run a balance check'.Close match-32 pp pass-rate lift

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

Balance Check

Insufficient input — check this before producing any report

Phase 1: Identify Balance Domain

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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