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.
npx agentmods add skills/codephobiia/claude-roblox-game-studio/exploit-checknpx skills add CodePhobiia/claude-roblox-game-studio --skill exploit-checkgit 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/skills/codephobiia/claude-roblox-game-studio/exploit-check)<a href="https://agentmods.dev/skills/codephobiia/claude-roblox-game-studio/exploit-check"><img src="https://agentmods.dev/badge/skills/codephobiia/claude-roblox-game-studio/exploit-check.svg" alt="Measured on agentmods" 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 | $0.00029 | $0.00604 |
| Opus 5 | $0.00015 | $0.00302 |
| Sonnet 5 | $0.00006 | $0.00121 |
| Haiku 4.5 | $0.00003 | $0.00060 |
Grade A, and why
exploit-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 6d 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 — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/exploit-check — Security Vulnerability Scan
Delegate to exploit-security-specialist agent to run a full audit.
Scan Areas:
1. Client Trust Analysis
- Search for any client-side game state that the server doesn't validate
- Check: currency changes, inventory modifications, health/damage
- Flag any
game.Players.LocalPlayermutations that affect game state
grep -rn "LocalPlayer" src/StarterPlayer/ --include="*.lua" --include="*.luau"
grep -rn "Humanoid.Health\s*=" src/ --include="*.lua" --include="*.luau"
2. Remote Security
- Run
/remotes-auditas a sub-step - Additionally check for remotes that could be replayed or spoofed
3. Movement Security
- Check if player position is server-validated
- Check for speed limits, teleport distance limits
- Identify if fly/noclip is preventable with current architecture
grep -rn "HumanoidRootPart.CFrame\s*=" src/
grep -rn "WalkSpeed\s*=\|JumpPower\s*=\|JumpHeight\s*=" src/
4. Economy Security
- Check for item duplication vectors (race conditions in trades)
- Check for negative quantity exploits
- Verify MarketplaceService ProcessReceipt is server-authoritative
- Check for currency overflow (number limits in Luau: 2^53)
grep -rn "ProcessReceipt" src/
grep -rn "UserOwnsGamePassAsync" src/
5. Data Security
- Run
/datastore-reviewas a sub-step - Check for data loss vectors
- Verify no sensitive data in client-accessible locations (ReplicatedStorage, StarterGui, etc.)
grep -rn "ADMIN_LIST\|admin_list\|adminList" src/ReplicatedStorage/
grep -rn "API_KEY\|apikey\|api_key" src/
Output:
Generate an exploit report using .claude/docs/templates/exploit-report-template.md.
Classify findings as Critical / High / Medium / Low.
Severity Classification
- Critical: Data loss, account takeover, financial exploit, full admin escalation
- High: Significant gameplay impact (god mode, unlimited currency, item dup)
- Medium: Noticeable but limited (visual hacks that affect gameplay, rate limit bypass)
- Low: Minor (UI manipulation that doesn't affect other players)
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.
- 6d ago First seen · 73 lines · 29 tokens per session scan A 34b6eb568d1e
exploit-check is a skill published in the GitHub repository CodePhobiia/claude-roblox-game-studio (9 stars, last pushed 4mo ago), licensed MIT. It adds 29 tokens to every session and 604 once invoked, about $0.0001 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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