multiplayer

multiplayer is a skill for Claude Code from VoDaiLocz/kilo-kit-mcp. It costs 15 tokens per session (659 once invoked), scanned A, a copy of multiplayer, Apache-2.0.

A guide to multiplayer game development, covering network architecture, keeping players' game states synchronized, and reducing the effects of lag.

In plain words
What is it for?
Use it when designing dedicated-server, peer-to-peer, host-based, or turn-based multiplayer games and their synchronization rules.
Why use it?
It helps developers choose how players connect and avoid visible disagreements between clients and the server during online play.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it when designing dedicated-server, peer-to-peer, host-based, or turn-based multiplayer games and their synchronization rules.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/vodailocz/kilo-kit-mcp/multiplayer
Install

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.

Any agent
npx skills add VoDaiLocz/kilo-kit-mcp --skill multiplayer
Clone the repo
git clone --depth 1 https://github.com/VoDaiLocz/kilo-kit-mcp

Made for: Claude Code.

Wrote 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.

agentmods badge for multiplayer

README.md
[![agentmods](https://agentmods.dev/badge/skills/vodailocz/kilo-kit-mcp/multiplayer/github.svg)](https://agentmods.dev/skills/vodailocz/kilo-kit-mcp/multiplayer)
Your own site
<a href="https://agentmods.dev/skills/vodailocz/kilo-kit-mcp/multiplayer"><img src="https://agentmods.dev/badge/skills/vodailocz/kilo-kit-mcp/multiplayer/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.

agentmods 80×15 button for multiplayer

Your own site · 80×15
<a href="https://agentmods.dev/skills/vodailocz/kilo-kit-mcp/multiplayer"><img src="https://agentmods.dev/badge/skills/vodailocz/kilo-kit-mcp/multiplayer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 659 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00015 $0.00659
Opus 5 $0.00008 $0.00329
Sonnet 5 $0.00003 $0.00132
Haiku 4.5 $0.00002 $0.00066

Measured 9d ago against content hash 79ee8d6f2e04, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

multiplayer 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 9d 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.

Origin

This is a copy

100% identical to multiplayer — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/games/game-development/multiplayer/SKILL.md · 133 lines

How it starts

The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Multiplayer Game Development

Networking architecture and synchronization principles.


1. Architecture Selection

Decision Tree

What type of multiplayer?
│
├── Competitive / Real-time
│   └── Dedicated Server (authoritative)
│
├── Cooperative / Casual
│   └── Host-based (one player is server)
│
├── Turn-based
│   └── Client-server (simple)
│
└── Massive (MMO)
    └── Distributed servers

Comparison

Architecture Latency Cost Security
Dedicated Low High Strong
P2P Variable Low Weak
Host-based Medium Low Medium

2. Synchronization Principles

State vs Input

Approach Sync What Best For
State Sync Game state Simple, few objects
Input Sync Player inputs Action games
Hybrid Both Most games

Lag Compensation

Technique Purpose
Prediction Client predicts server
Interpolation Smooth remote players
Reconciliation Fix mispredictions
Lag compensation Rewind for hit detection

3. Network Optimization

Bandwidth Reduction

Technique Savings
Delta compression Send only changes
Quantization Reduce precision
Priority Important data first
Area of interest Only nearby entities

Update Rates

Type Rate
Position 20-60 Hz
Health On change
Inventory On change
Chat On send

4. Security Principles

Server Authority

Client: "I hit the enemy"
Server: Validate → did projectile actually hit?
         → was player in valid state?
         → was timing possible?

Anti-Cheat

Cheat Prevention
Speed hack Server validates movement
Aimbot Server validates sight line
Item dupe Server owns inventory
Wall hack Don't send hidden data

Read the full file on GitHub · 133 lines

Changes

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.

  1. 9d ago First seen · 133 lines · 15 tokens per session scan A 79ee8d6f2e04

Subscribe to this mod's changes

multiplayer is a skill published in the GitHub repository VoDaiLocz/kilo-kit-mcp (26 stars, last pushed 4d ago), licensed Apache-2.0. It adds 15 tokens to every session and 659 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to multiplayer, differing in 0 lines, and is treated as a copy.

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