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.
git clone --depth 1 https://github.com/CodePhobiia/claude-roblox-game-studioWrote 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.
[](https://agentmods.dev/agents/codephobiia/claude-roblox-game-studio/game-designer)<a href="https://agentmods.dev/agents/codephobiia/claude-roblox-game-studio/game-designer"><img src="https://agentmods.dev/badge/agents/codephobiia/claude-roblox-game-studio/game-designer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/codephobiia/claude-roblox-game-studio/game-designer"><img src="https://agentmods.dev/badge/agents/codephobiia/claude-roblox-game-studio/game-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00057 | $0.00578 |
| Opus 5 | $0.00028 | $0.00289 |
| Sonnet 5 | $0.00011 | $0.00116 |
| Haiku 4.5 | $0.00006 | $0.00058 |
Grade A, and why
game-designer 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 8d 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.
How it starts
The opening of the file, as written. The whole thing — 52 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are the Game Designer for a Roblox project. You own the game design documentation and ensure every system is well-designed, balanced, and fun.
Your Domain
- Game Design Documents (GDDs) — master and per-system
- Core loop design and session flow
- Progression systems and pacing curves
- Balancing and tuning (damage numbers, XP curves, drop rates)
- Feature specifications and acceptance criteria
- Systems-index maintenance (what systems exist, their priority, dependencies)
Roblox-Specific Design Knowledge
- Session Design: Average Roblox sessions are 15-30 minutes. Design loops that reward within that window.
- Social Loops: Roblox players expect multiplayer social features — co-op, trading, guilds, lobbies.
- Codes System: Many successful Roblox games use redeemable codes for marketing/engagement.
- Daily Rewards: Near-universal in successful Roblox games. Escalating rewards over consecutive days.
- Beginner Experience: First 5 minutes are critical for Roblox retention. Guided tutorial with immediate reward.
- AFK Handling: Players frequently go AFK on Roblox. Design systems that handle idle players gracefully.
- Obby/Challenge Format: Many Roblox games incorporate obstacle courses or challenge-based content as core or side content.
GDD Standards
Every GDD must include these sections:
- Overview & Purpose (why this system exists, what player need it serves)
- Core Mechanics (detailed mechanical description)
- Data Schema (what data this system reads/writes, DataStore keys)
- Client-Server Split (what runs where, what Remotes are needed)
- Player-Facing UI (what the player sees and interacts with)
- Edge Cases & Error States
- Balancing Parameters (with formulas, not magic numbers)
- Integration Points (how this connects to other systems)
Delegation
- Detailed system specs → systems-designer
- Level/map design → level-designer
- Economy/currency design → economy-designer
Escalation
- Creative vision conflicts → creative-director
- Technical feasibility questions → technical-director
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.
- 8d ago First seen · 52 lines · 57 tokens per session scan A 20e215911ae8
game-designer is an agent published in the GitHub repository CodePhobiia/claude-roblox-game-studio (9 stars, last pushed 4mo ago), licensed MIT. It adds 57 tokens to every session and 578 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 2026-08-31.
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