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 skills add TabooHarmony/roblox-brain --skill roblox-datagit clone --depth 1 https://github.com/TabooHarmony/roblox-brainWrote 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/tabooharmony/roblox-brain/roblox-data)<a href="https://agentmods.dev/skills/tabooharmony/roblox-brain/roblox-data"><img src="https://agentmods.dev/badge/skills/tabooharmony/roblox-brain/roblox-data/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/skills/tabooharmony/roblox-brain/roblox-data"><img src="https://agentmods.dev/badge/skills/tabooharmony/roblox-brain/roblox-data.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
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 | $0.00031 | $0.00740 |
| Opus 5.5 | $0.00012 | $0.00296 |
| Sonnet 5.5 | $0.00006 | $0.00148 |
| Haiku 4.5 | $0.00003 | $0.00074 |
Grade A, and why
roblox-data 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.
What it actually says
roblox data persistence
When to Load
Load for player saves, migrations, retries, shutdowns, or session ownership. Leaderboards/messaging/world data: roblox-server-data; Open Cloud: roblox-cloud.
Quick Reference
- Define a serializable template and a version field before storing player state. Deep-copy templates so nested defaults are not shared; migrate, then reconcile missing fields against the template. Scope store names by environment (
PlayerData_Studio) so Studio writes stay out of production. - Use
UpdateAsyncfor read-modify-write; handle throttling and transient errors. - Prevent concurrent profile mutation with a session-ownership protocol.
- With ProfileStore:
StartSessionAsync,Profile.OnSessionEnd,EndSessionas documented; noStealfor normal loads;ProfileStore.Mockfor ephemeral Studio writes. - Save on meaningful changes and lifecycle boundaries;
PlayerRemovingalone is not sufficient;BindToClosefinishes pending work. - Store primitives/arrays/dictionaries; convert Instances/userdata/functions/cyclic tables first. Validate numbers (no NaN/inf), strings (
utf8.len), nested tables: one bad value fails the write. - RTBF: keep the user ID as a static substring in keys (
player_<UserId>) so{UserId}deletion templates match; hashed/random keys make erasure manual. GetAsyncserves a 4-second local cache (DataStoreGetOptions.UseCache, defaulttrue); verify writes withUseCache = false.- Poll
DataStoreService:GetRequestBudgetForRequestTypefor live headroom; quotas scale with concurrent users (experience reads: 300 + CCU x 40/min). - New code identifies users with
player.User(User.Id,DomainType,DomainId);UserIdremains valid, but never mix the two IDs in one key scheme. - First-session traces:
roblox-analytics§8.
Persistence workflows: references/full.md
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 Changed · +1 lines · +4 tokens per session f46decb9a2c8
- 9d ago Changed · +1 lines f934ebf3cbc2
- 21d ago Changed · +1 lines 406c2d2aea19
- 1mo ago Changed · +5 lines e1859d73805b
- 1mo ago Changed 74abaddd46fb
- 1mo ago First seen · 35 lines · 27 tokens per session scan A eeee6cba1d74
roblox-data is a skill published in the GitHub repository TabooHarmony/roblox-brain (124 stars, last pushed 9d ago), licensed MIT. It adds 31 tokens to every session and 740 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.
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