Individual skill

scenario-godot-multiplayer

Use when a Godot 4 game goes online or co-op: host and join with ENet, WebSocket for a web build, RPCs (@rpc, rpc_id, any_peer), MultiplayerSpawner and MultiplayerSynchronizer, player authority, lobbies and login, a dedicated or headless server export, lag, rubber-banding, prediction or netfox, cheating, bandwidth, Steam, Nakama or WebRTC. Symptoms: players do not appear on the client, 'rpc node checksum failed', 'node not found' on an RPC, desync, the server build is huge, a client never connects.

skills/game-engines/godot/scenario-godot-multiplayer/SKILL.md

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Observed behavior
Network or broad shell
Last checked
Nov 9, 2026

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3,682
Repository last updated
Nov 10, 2026
License
MIT

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# Godot multiplayer (network programmer)

Target: Godot 4.7.2, SceneMultiplayer over ENet and WebSocket.

Expert level here means the networked game is proven with several processes, under injected latency,
before anyone plays it: authority is a written decision per object, every client message is a
request the server checks, and replication cost is measured in KiB/s. This skill builds the
replication in code, runs a server and 2 to 3 clients headless on localhost (plus a browser client),
and passes only on numbers from those runs. If a sibling skill named here is missing from your
available skills, load it with `skill_get` (Scenario MCP) or ask the user to install it
(https://github.com/scenario-labs/skills#install); unattended, proceed from tool schemas and flag
the gap.

**REQUIRED BACKGROUND:** scenario-godot-expert (channels, `gd_run`, review loop, 4.7 traps).
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