roblox-server-data
Use when building or fixing Roblox cross-server data: OrderedDataStore leaderboards, MessagingService, MemoryStore, world state, seasons.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/tabooharmony/roblox-brain --skill roblox-server-data- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads roblox-server-data automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Roblox Server & Shared Data
When to Load
Load for leaderboards, messaging, MemoryStore coordination, world state, seasons, or guilds. Player persistence: roblox-data; Open Cloud: roblox-cloud.
Quick Reference
OrderedDataStore (Leaderboards)
- Sortable DataStore: string keys (
tostring(UserId)), integer sort values;GetSortedAsync→ pages;BatchGetAsyncmulti-key read (missing keys omitted). - Budget bursts via
GetRequestBudgetForRequestType(OrderedWrite)(per server: 30 + numPlayers×5 writes/min). - Leaderboards only, never player saves. Keep
player_<UserId>a static key substring so RTBF templates match.
MessagingService (Cross-Server)
SubscribeAsync/PublishAsync; no delivery or ordering guarantee — design for idempotency.- Request/response:
{reqId}correlation + ack + timeout; no ack ≠ not executed — replay same reqId, don't double-grant. - Budget broadcast receives, not just sends; limits and polling trade-offs: full.md. <!-- temporal: 2026-10 -->
GlobalDataStore (Shared State)
- Persistent non-player state (guilds, seasons, counters). Use
UpdateAsync; never for player session data.
MemoryStoreService (Temporary Coordination)
- Queues and sorted maps for expiring matchmaking, leases, coordination.
- Remove a read batch only after successful, idempotent processing.
- Sorted-map paging: last item's
{key, sortKey}= next exclusive bound. Quotas are game-level (one shared pool): request units 1000+120×CCU/min, memory 64 KB+1.2 KB/user, value ≤32 KB, TTL 45 days; batch calls bill per item. <!-- temporal: 2026-10 -->
Cross-Server Patterns
- Register servers with expiring heartbeats; notify via MessagingService.
User Identity
- Identify users with
player.User(User.Id,DomainType,DomainId);UserIdstays valid. Domain IDs are per-experience: key cross-server data onUserId.
Pitfalls
- MessagingService: fire-and-forget, unordered; not for time-critical work
- GlobalDataStore: same rate limits as player DataStores
- Never store Instances;
SetAsyncoverwrites — useUpdateAsyncfor shared counters
Store selection and workflows: references/full.md
FAQ
What does the roblox-server-data skill do?
Use when building or fixing Roblox cross-server data: OrderedDataStore leaderboards, MessagingService, MemoryStore, world state, seasons.
How do I install roblox-server-data?
Run npx skills add https://github.com/tabooharmony/roblox-brain --skill roblox-server-data in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/roblox-server-data/ (personal) or .claude/skills/roblox-server-data/ (project).
Which AI agents can use roblox-server-data?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is roblox-server-data safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains roblox-server-data?
It is published by tabooharmony in tabooharmony/roblox-brain. It has 1,739 recorded installs.
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