What is WebScreen AGENTS.md?

Project instructions for WebScreen, a software project. The available description provides no further detail about the project's purpose or workflow.

Working on the WebScreen project according to its repository instructions; the specific jobs are not described here.

They may give an coding agent project-specific guidance, but the supplied information does not say what that guidance covers.

How noricha-vr/WebScreen configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to noricha-vr/WebScreen. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/noricha-vr/WebScreen/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/noricha-vr/WebScreen

Made for: Codex, OpenCode.

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/noricha-vr/webscreen/agents-md/github.svg)](https://agentmods.dev/instructions/noricha-vr/webscreen/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/noricha-vr/webscreen/agents-md"><img src="https://agentmods.dev/badge/instructions/noricha-vr/webscreen/agents-md/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/noricha-vr/webscreen/agents-md"><img src="https://agentmods.dev/badge/instructions/noricha-vr/webscreen/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,853 This file is loaded in full into every session.

When invoked 1,853 The same file — it is already loaded in full.

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.

Model	Per session	Once invoked
Fable 5.1	$0.01853	$0.01853
Opus 5.5	$0.00741	$0.00741
Sonnet 5.5	$0.00371	$0.00371
Haiku 4.5	$0.00185	$0.00185

Measured 1mo ago against content hash c811d4a9d473, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

WebScreen AGENTS.md 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 1mo 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 skills AGENTS.md — 91 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.

AGENTS.md · 90 lines

How it starts

The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Claude Code / Codex がこのリポジトリで作業するときの共通の地図。詳細は各リンク先を正本とし、ここには判断に効く情報だけ置く。

アプリ本体は web/（Astro + Cloudflare Workers + D1 + R2、本番 https://web-screen.net）だけ。以前の FastAPI 実装（Cloud Run）は 2026-10-07 に撤去した。リポジトリ直下に Python アプリ・Dockerfile・Cloud Build 設定は無い。

関連サービスは別リポにある: web-capture（Cloud Run。URL のスクリーンショットを撮って R2 へ置く）。

何をするプロダクトか

Web ページ・画像・PDF を、VRChat のビデオプレイヤーで再生できる MP4 に変換して配る。変換した動画は公開 URL を持ち、VRChat に貼るだけで再生できる。

web/ の構成

パス	役割
`web/src/pages/`	エントリポイント（`api/` は Worker の API、`[shortId]/` はプレビューとダウンロード）
`web/src/lib/contracts/`	API の契約の正本。`api.ts` が producer（Worker）と consumer（ブラウザ・web-capture）の共通定義
`web/src/lib/services/`	ドメインロジック（D1 / R2 の操作、認証、保持期間）
`web/src/lib/convert/`	ブラウザ内変換（PDF.js / FFmpeg.wasm）
`web/src/lib/ui/`	画面の配線（DOM 操作と状態遷移）
`web/src/i18n/`	表示文言の正本（ja / en）。テンプレートや JS に文言を直書きしない
`web/cron/`	保持期間バッチ（別 Worker。同じ D1 / R2 を共有する）
`web/migrations/`	D1 のマイグレーション

開発

make install         # 初回のみ（web/ の依存を lockfile 固定で入れる）
make help
make check
make e2e
make test-tools      # Python の検証ツール（実機接続なし）

web/.dev.vars にローカル用の環境変数が要る（.dev.vars.example を参照）。

ローカル環境・E2E の落とし穴（dev サーバー復旧・ポート分離・Claude Code サンドボックス）は docs/local-dev.md

変更に応じた検証

通常の変更: make check。画面・変換フローの変更は make e2e も実行する。
運用ツールの変更: make test-tools。コマンド一覧は make help。
エンコード・動画配信経路の変更: 実際の生成物を make video-check FILE=... で検査し、Windows の VRChat で実再生を確認する。自動テストだけで実再生成功と扱わない。実機へ接続できなければ未検証と記録する。
Windows 接続先は VRCHAT_SSH_HOST（必須、既定値なし）。設定と画面操作は Windows 実機検証手順を参照する。

デプロイ

main への push で GitHub Actions が本番へ反映する（.github/workflows/deploy.yml）。型チェック → ユニットテスト → ビルド → D1 マイグレーション → Worker 2 つ → 疎通確認、の順で、失敗したら自動でロールバックする。

<critical_rule> wrangler rollback は Worker のコードしか戻さない。 D1 / R2 のデータも cron スケジュールも戻らない。そのため D1 の変更は必ず後方互換にする（破壊的変更は「追加 → 切替 → 削除」の 3 段階に分ける）。 </critical_rule>

Read the full file on GitHub · 90 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.

1mo ago Changed · -9 lines · -194 tokens per session c811d4a9d473
1mo ago Changed · +98 lines · +2,043 tokens per session 0e027c18db04
2mo ago First seen · 1 lines · 4 tokens per session scan A 6ebdb617a810

Subscribe to this mod's changes

WebScreen AGENTS.md is an instructions file published in the GitHub repository noricha-vr/WebScreen (20 stars, last pushed 2d ago), licensed MIT. It adds 1,853 tokens to every session, about $0.0074 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to skills AGENTS.md, differing in 91 lines, and is treated as a copy.

WebScreen AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
WebScreen AGENTS.mdnoricha-vr/WebScreen	Instructions file	20	2d ago	MIT	A	1,853	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	9,719	GitHub Copilot
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	5,516	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	today	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	today	MIT	A	4,680	Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	2,022	GitHub Copilot

WebScreen: Instructions file for Codex