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.
npx skills add OpenAEC-Foundation/OpenAEC-Workspace-Composer --skill tauri-impl-multi-windowgit clone --depth 1 https://github.com/OpenAEC-Foundation/OpenAEC-Workspace-ComposerWrote 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.
[](https://agentmods.dev/skills/openaec-foundation/openaec-workspace-composer/tauri-impl-multi-window)<a href="https://agentmods.dev/skills/openaec-foundation/openaec-workspace-composer/tauri-impl-multi-window"><img src="https://agentmods.dev/badge/skills/openaec-foundation/openaec-workspace-composer/tauri-impl-multi-window/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.
<a href="https://agentmods.dev/skills/openaec-foundation/openaec-workspace-composer/tauri-impl-multi-window"><img src="https://agentmods.dev/badge/skills/openaec-foundation/openaec-workspace-composer/tauri-impl-multi-window.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00095 | $0.02445 |
| Opus 5 | $0.00048 | $0.01222 |
| Sonnet 5 | $0.00019 | $0.00489 |
| Haiku 4.5 | $0.00010 | $0.00245 |
Grade A, and why
tauri-impl-multi-window 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.
How it starts
The opening of the file, as written. The whole thing — 347 lines — stays where its author put it; the contents beside it link to each section on GitHub.
tauri-impl-multi-window
Quick Reference
Window Creation
| Method | Context | Example |
|---|---|---|
WebviewWindowBuilder::new() |
Rust (setup, commands) | WebviewWindowBuilder::new(app, "label", url).build()? |
new Window() |
TypeScript | new Window('label', { url: '/page' }) |
tauri.conf.json windows array |
Configuration | Main window auto-created on startup |
Window Access
| Method | Context | Returns |
|---|---|---|
app.get_webview_window("label") |
Rust | Option<WebviewWindow<R>> |
app.webview_windows() |
Rust | HashMap<String, WebviewWindow<R>> |
getCurrentWindow() |
TypeScript | Window |
Window.getByLabel("label") |
TypeScript | Promise<Window | null> |
getAllWindows() |
TypeScript | Promise<Window[]> |
Inter-Window Communication
| Method | Direction | Scope |
|---|---|---|
app.emit("event", payload) |
Rust to all | Broadcast |
app.emit_to("label", "event", payload) |
Rust to specific window | Targeted |
emit("event", payload) |
JS to all | Broadcast |
emitTo("label", "event", payload) |
JS to specific window | Targeted |
listen("event", handler) |
JS receive | All events |
Critical Warnings
NEVER create two windows with the same label -- labels MUST be unique across the application. Duplicate labels cause a runtime error.
NEVER forget to await listen() before calling the unlisten function -- listen() returns Promise<UnlistenFn>, not UnlistenFn.
NEVER assume windows exist without checking -- ALWAYS use get_webview_window() and handle the None case.
ALWAYS clean up event listeners in component-based frameworks (React, Vue, Svelte) to prevent memory leaks.
ALWAYS use WebviewWindowBuilder (not WindowBuilder) for creating windows in Tauri 2 -- WindowBuilder is the v1 API.
ALWAYS use WebviewUrl::App() for local pages and WebviewUrl::External() for external URLs.
What ships with it
3 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.
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.
- 9d ago First seen · 347 lines · 95 tokens per session scan A ac90db0dcfa2
tauri-impl-multi-window is a skill published in the GitHub repository OpenAEC-Foundation/OpenAEC-Workspace-Composer (5 stars, last pushed 5mo ago), licensed MIT. It adds 95 tokens to every session and 2,445 once invoked, about $0.0005 per session on Opus 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 2026-08-31.
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