balance-check

balance-check is a skill for Claude Code from striderZA/OpenCodeGameStudios. It costs 61 tokens per session (1,411 once invoked), scanned A, original, MIT.

A game-balance checker that reviews combat, economy, progression, or loot data and formulas for unusual values and broken patterns.

In plain words
What is it for?
Use it to review weapon damage, resource income and costs, experience curves, loot chances, or other tuning data.
Why use it?
It helps reveal unfair combat, weak or excessive rewards, pricing problems, and progression gaps after design changes.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: agent in frontmatter; installed under .agents/ (shared by several agents).

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/striderza/opencodegamestudios/balance-check
Any agent
npx skills add striderZA/OpenCodeGameStudios --skill balance-check
Clone the repo
git clone --depth 1 https://github.com/striderZA/OpenCodeGameStudios

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for balance-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/striderza/opencodegamestudios/balance-check.svg)](https://agentmods.dev/skills/striderza/opencodegamestudios/balance-check)
Your own site
<a href="https://agentmods.dev/skills/striderza/opencodegamestudios/balance-check"><img src="https://agentmods.dev/badge/skills/striderza/opencodegamestudios/balance-check.svg" alt="Measured on agentmods" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,411 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00061 $0.01411
Opus 5 $0.00030 $0.00705
Sonnet 5 $0.00012 $0.00282
Haiku 4.5 $0.00006 $0.00141

Measured 2d ago against content hash 14e11670ef45, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

balance-check scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/modules/design/skills/balance-check/SKILL.md · 160 lines

How it starts

The opening of the file, as written. The whole thing — 160 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Phase 1: Identify Balance Domain

Determine the balance domain from $ARGUMENTS:

  • Combat → weapon/ability DPS, time-to-kill, damage type interactions
  • Economy → resource faucets/sinks, acquisition rates, item pricing
  • Progression → XP/power curves, dead zones, power spikes
  • Loot → rarity distribution, pity timers, inventory pressure
  • File path given → load that file directly and infer domain from content

If no argument, use question:

  • "Which system should I check for balance?"
  • Options: [A] Combat balance / [B] Economy balance / [C] Progression balance / [D] Loot balance

Phase 2: Gather Context

Run these in parallel using Glob/Grep:

Glob pattern="assets/data/**/*.json" → find all data files
Glob pattern="assets/data/**/*.tres" → find Godot resource data files
Grep pattern="balance" path="design/gdd/" → find relevant GDDs
Glob pattern="design/balance/**/*.md" → find previous balance reports
  • Read the GDD for the identified domain from design/gdd/
  • Read all relevant data files from assets/data/
  • Extract intended design targets, tuning knobs, and expected value ranges from the GDD

Phase 3: Delegate Expert Analysis

Spawn specialist agents via Task in parallel for the identified domain. Pass the full GDD content and data file content to each agent.

Combat balance → spawn systems-designer

Ask them to:

  • Calculate DPS for all weapons/abilities at each power tier
  • Check time-to-kill at each tier
  • Identify any options that dominate all others (strictly better)
  • Check if defensive options can create unkillable states
  • Verify damage type/resistance interactions are balanced
  • Produce a table of outliers with expected vs actual values

Economy balance → spawn economy-designer

Ask them to:

  • Map all resource faucets and sinks with flow rates
  • Project resource accumulation over time
  • Check for infinite resource loops
  • Verify gold sinks scale with gold generation
  • Check if any items are never worth purchasing
  • Produce a resource flow diagram in table form

Read the full file on GitHub · 160 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 160 lines · 61 tokens per session scan A 14e11670ef45

Subscribe to this mod's changes

balance-check is a skill published in the GitHub repository striderZA/OpenCodeGameStudios (84 stars, last pushed 25d ago), licensed MIT. It adds 61 tokens to every session and 1,411 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.