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MRCalderon3DMRCalderon3D/everything-game-dev-code/skills/engineering-common/multiplayer-netcode-patterns/SKILL.md

multiplayer-netcode-patterns

Skill105 starsChanged 8 months agoMITView on GitHub

Define ownership, authority, replication, prediction, rollback or reconciliation strategy for multiplayer systems.

The file

We split this skill into the rules it gives an agent

4 rules. About 0 are common, 4 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈4

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    document disconnect, reconnect, and failure handling

    line 27
  2. Distinctive:

    test and telemetry targets

    line 35
  3. Distinctive:

    Keep this skill aligned with the relevant rules layer and current project documentation.

    line 58
  4. Distinctive:

    If engine-specific constraints materially change the workflow, hand off to the matching engine skill or engine-specific reviewer.

    line 59

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Multiplayer Netcode Patterns

Purpose

Define ownership, authority, replication, prediction, rollback or reconciliation strategy for multiplayer systems.

Use When

  • the project has multiplayer or networked state sync
  • lag and authority issues are emerging
  • a feature could break under latency

Inputs

  • game rules
  • authority model
  • platform/network constraints
  • security assumptions

Process

  1. define trusted authority and client responsibilities
  2. choose replication and prediction strategy by system
  3. document disconnect, reconnect, and failure handling
  4. profile bandwidth and state churn
  5. plan cheat resistance, QA coverage, and telemetry

Outputs

  • netcode model
  • ownership matrix
  • latency/failure handling rules
  • test and telemetry targets

Quality Bar

  • makes ownership, state flow, and failure behavior explicit
  • improves maintainability without over-abstracting
  • supports testing, debugging, and safe iteration

Common Failure Modes

  • coupling systems through hidden globals or timing assumptions
  • writing logic that is hard to test or debug
  • optimizing the wrong layer before measuring

Related Agents

  • network-programmer
  • security-reviewer
  • qa-lead

Related Commands

  • multiplayer-review
  • tech-design
  • verify

Notes

  • Keep this skill aligned with the relevant rules layer and current project documentation.
  • If engine-specific constraints materially change the workflow, hand off to the matching engine skill or engine-specific reviewer.

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