web-export

web-export is a skill for Claude Code from jame581/GodotPrompter. It costs 60 tokens per session (3,310 once invoked), scanned A, original, MIT.

A guide to shipping a Godot game as a browser game using HTML5 and WebAssembly. It covers browser-specific limits such as threading, server headers, storage, audio, input, and download size.

In plain words
What is it for?
Use it to configure and host a Godot web export, choose threading behavior, connect JavaScript, preserve saved data, and handle browser input and audio limits.
Why use it?
It prevents desktop assumptions from causing failed exports or broken browser behavior, including unsupported C# projects and browser security restrictions.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the godot-prompter plugin — 61 skills, 9 agents, 2 hooks shipped together

Good fit Use it to configure and host a Godot web export, choose threading behavior, connect JavaScript, preserve saved data, and handle browser input and audio limits.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jame581/godotprompter/web-export
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 jame581/GodotPrompter --skill web-export
Clone the repo
git clone --depth 1 https://github.com/jame581/GodotPrompter

Made for: Claude Code.

Or install godot-prompter, the plugin that ships this one along with the rest of its 61 skills, 9 agents, 2 hooks.

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 web-export

README.md
[![agentmods](https://agentmods.dev/badge/skills/jame581/godotprompter/web-export/github.svg)](https://agentmods.dev/skills/jame581/godotprompter/web-export)
Your own site
<a href="https://agentmods.dev/skills/jame581/godotprompter/web-export"><img src="https://agentmods.dev/badge/skills/jame581/godotprompter/web-export/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 web-export

Your own site · 80×15
<a href="https://agentmods.dev/skills/jame581/godotprompter/web-export"><img src="https://agentmods.dev/badge/skills/jame581/godotprompter/web-export.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,310 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 original No closer match found 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 $0.00060 $0.03310
Opus 5.5 $0.00024 $0.01324
Sonnet 5.5 $0.00012 $0.00662
Haiku 4.5 $0.00006 $0.00331

Measured 6d ago against content hash b129974ed37d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

web-export 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 6d 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.

skills/web-export/SKILL.md · 215 lines

How it starts

The opening of the file, as written. The whole thing — 215 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web Export in Godot 4.3+

Ship a Godot 4.x game as HTML5/WebAssembly. This covers what is different from a desktop export: the renderer, threading and server headers, browser interop, persistence, and the input and audio rules browsers enforce. All examples target Godot 4.3+ with no deprecated APIs.

C# projects cannot export to Web in Godot 4 — the .NET editor refuses the export (still true in 4.7.2). The code in this skill is GDScript only for that reason; a C# game that needs a browser build must be ported to GDScript or stay on Godot 3.

Related skills: export-pipeline for presets, CLI export and CI/CD, web-services for HTTP and WebSockets from the browser, rendering-pipeline for what the Compatibility renderer can and cannot do, audio-system for buses and playback, save-load for save formats.


1. What Changes on Web

Area On Web
Renderer Always Compatibility (WebGL 2) — rendering/renderer/rendering_method.web defaults to gl_compatibility. No SDFGI, VoxelGI, volumetric fog, SSR, FSR, or screen-space AA
Scripting GDScript and GDExtension only. No C#
Threads Optional. Off by default; turning them on needs special server headers (Section 3)
Audio Sample playback through the Web Audio API by default — AudioEffects on buses do not apply (Section 6)
Files user:// lives in the browser's IndexedDB; there is no access to the player's disk except downloads and file-picker uploads
Networking HTTP via the browser's fetch (CORS applies), WebSockets and WebRTC only — no raw TCP/UDP, so no ENet
Processes No OS.execute(), OS.create_process(), or quitting the tab

Design for this from the start if web is a primary target. Porting a Forward+ game late means re-lighting it.


2. The Export Preset

Add a Web preset in Project → Export (export templates must be installed). The options that matter:

Option Default Set it when
variant/thread_support false You need threads and can serve COOP/COEP headers (Section 3)
variant/extensions_support false The project uses GDExtension (needs the extension's web build)
vram_texture_compression/for_desktop true S3TC/BPTC textures for desktop browsers
vram_texture_compression/for_mobile false Turn on for phone browsers (ETC2/ASTC); costs a second texture set in the PCK
html/canvas_resize_policy Adaptive None / Project when embedding in a fixed-size page element
html/focus_canvas_on_start true Keep on so keyboard input works without a first click
html/experimental_virtual_keyboard false Mobile browsers need an on-screen keyboard for LineEdit
html/head_include empty Extra <head> tags — analytics, meta tags, fonts
html/custom_html_shell empty Replace the whole loading page with your own template
progressive_web_app/enabled false Installable, offline-capable build (Section 4)
threads/emscripten_pool_size, threads/godot_pool_size (Godot 4.5+) 8, 4 Only shown with thread support; lower them to reduce memory

Read the full file on GitHub · 215 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 6d ago First seen · 215 lines · 60 tokens per session scan A b129974ed37d

Subscribe to this mod's changes

web-export is a skill published in the GitHub repository jame581/GodotPrompter (882 stars, last pushed 3d ago), licensed MIT. It adds 60 tokens to every session and 3,310 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-22.

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