Skills multiplayer
📦

multiplayer

Content revision r2 Safe ⚙️ External commands

Design Reliable Multiplayer Game Systems

Multiplayer games require deliberate choices about authority, synchronization, latency, bandwidth, and abuse prevention. This skill provides concise principles for planning those systems.

Supports: Claude Codex Code(CC)
🥉 78 Bronze

Install with my Agent

Copy this request to your Agent. It includes the canonical Skill page and manifest.

Agent request
Review the Skillstore skill "multiplayer" from https://skillstore.io/skills/sickn33-multiplayer.md and its manifest at https://skillstore.io/api/skills/sickn33-multiplayer/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.

Markdown detail GET /skills/sickn33-multiplayer.md Signed manifest GET /api/skills/sickn33-multiplayer/manifest Signed lockfile GET /api/skills/sickn33-multiplayer/lockfile

Test it

Using "multiplayer". Choose an architecture for a four-player cooperative action game with moderate latency sensitivity and limited hosting budget.

Expected outcome:

  • Recommended model: host-based play with clear host authority and migration planning.
  • Synchronize player inputs and important state while validating combat and inventory changes.
  • Test host latency, disconnect recovery, cheating exposure, and migration behavior before release.

Using "multiplayer". Plan synchronization for a competitive arena game with movement, health, projectiles, inventory, and chat.

Expected outcome:

  • Send movement at a controlled rate with prediction, interpolation, and reconciliation.
  • Update health and inventory on change, while sending chat only when submitted.
  • Keep combat validation and inventory ownership on the authoritative server.

Using "multiplayer". Review a design where clients report successful hits and receive every enemy position.

Expected outcome:

  • High priority: validate projectile paths, timing, player state, and sight lines on the server.
  • Limit hidden enemy data with relevance filtering to reduce wall-hack exposure.
  • Measure how validation and filtering affect latency before deployment.

Security Audit

Safe
v5 • 8/4/2026 Open versioned report

All five static findings are false positives caused by Markdown fences and ordinary server-validation prose. The skill provides conceptual multiplayer guidance without executable commands, system reconnaissance, prompt injection, or other semantic threats.

1
Files scanned
143
Lines analyzed
0
Review items
0
False positives ignored

Risk Factors

⚙️ External commands (3)
SKILL.md:19-33 SKILL.md:33-92 SKILL.md:92-97
No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.
Audited by: codex View Audit History →
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Open versioned report
Security Assessment

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Academic citations (APA · BibTeX · CFF)

APA citation

sickn33. (2026). multiplayer security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/sickn33-multiplayer/audits/5

BibTeX citation

@techreport{sickn33-sickn33-multiplayer-2026, author = {sickn33}, title = {multiplayer security audit report (audit version 5)}, institution = {Skillstore}, year = {2026}, number = {5}, url = {https://skillstore.io/skills/sickn33-multiplayer/audits/5}, note = {Author version unspecified} }

CITATION.cff

cff-version: 1.2.0 message: "If you use this Skill, cite its author and this versioned security audit report." title: "multiplayer security audit report (audit version 5)" version: "unspecified" type: report authors: - name: "sickn33" date-released: "2026-08-04" url: "https://skillstore.io/skills/sickn33-multiplayer/audits/5" identifiers: - type: other value: "skillstore:sickn33-multiplayer:audit:5" description: "Skillstore immutable audit report identifier"

Skillstore Score

Why this score Evidence Confidence: High
55
Architecture
85
Maintainability
87
Content
69
Community
83
Spec Compliance

What You Can Build

Choose a Multiplayer Architecture

Compare server models against game pace, player trust, operating cost, and expected scale.

Plan Network Synchronization

Define update rates, synchronized data, prediction, interpolation, and reconciliation for responsive play.

Review Multiplayer Security

Evaluate server authority and validation rules for movement, combat, inventory, and hidden information.

Try These Prompts

Select an Architecture 
Recommend a multiplayer architecture for [game type], [player count], and [latency target]. Compare security, cost, complexity, and host migration needs.
Create a Synchronization Plan 
Design a synchronization plan for [gameplay systems]. Specify state or input sync, update rates, prediction, interpolation, reconciliation, and server authority.
Reduce Network Bandwidth 
Review this multiplayer data model: [details]. Propose delta compression, quantization, priorities, areas of interest, and event-based updates with tradeoffs.
Audit Competitive Game Integrity 
Threat-model this multiplayer design: [details]. Identify client trust assumptions, validation gaps, hidden-data exposure, duplication risks, and latency abuse. Prioritize mitigations.

Best Practices

  • Make the server authoritative for competitive state and validate every client claim.
  • Design for realistic latency using prediction, interpolation, reconciliation, and lag compensation.
  • Send only necessary data at rates matched to each gameplay system.

Avoid

  • Do not trust client-reported movement, hits, inventory changes, or timing without validation.
  • Do not send all world data when relevance filtering can protect bandwidth and hidden information.
  • Do not require exact remote positions when interpolation and prediction provide smoother results.

Frequently Asked Questions

Which multiplayer architecture does this skill recommend?
The recommendation depends on game pace, scale, budget, latency, and security needs. The skill compares several common models.
Does this skill generate networking code?
No. It provides architecture and design guidance that must be implemented with your selected engine, protocol, and networking library.
What synchronization methods are covered?
It covers state synchronization, input synchronization, hybrid approaches, prediction, interpolation, reconciliation, and lag compensation.
How does the skill address cheating?
It recommends server authority, movement and combat validation, server-owned inventory, and restricting hidden data.
Can it help reduce bandwidth usage?
Yes. It discusses delta compression, quantization, priorities, areas of interest, event-based updates, and appropriate update rates.
Does it replace multiplayer testing?
No. You must test latency, packet loss, disconnects, scale, security controls, synchronization, and gameplay behavior in the target environment.

Developer Details

Author

sickn33

License

MIT

Skillstore revision

r2

Version notice

The author did not declare a version.

Repository

https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/game-development/multiplayer

Ref

81e05e636292629114b76cbb3922fbe57672fc02

Maintenance freshness

8/5/2026

Usage

7 downloads · 116 views

File structure

📄 SKILL.md