broll-master-build

broll-master-build is a skill for Codex from erduo1998-cell/erduo-broll-loop-engineering. It costs 38 tokens per session (945 once invoked), scanned A, original, MIT.

A production skill for creating B-roll video chapters with HyperFrames. B-roll is supporting footage shown alongside a speaker or narration; the skill covers selected creative roles and works on chapters of five to eight shots.

In plain words
What is it for?
Use it to build representative samples, develop one contiguous video chapter, and refine its shots for a HyperFrames-based production.
Why use it?
It gives a defined process for turning a script and design into editable video while keeping timing, source files, and production contracts unchanged. It also requires the assigned work to be rendered, viewed, and revised.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it to build representative samples, develop one contiguous video chapter, and refine its shots for a HyperFrames-based production.

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Install with agentmods
npx agentmods add skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build
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 erduo1998-cell/erduo-broll-loop-engineering --skill broll-master-build
Clone the repo
git clone --depth 1 https://github.com/erduo1998-cell/erduo-broll-loop-engineering

Made for: Codex.

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 broll-master-build

README.md
[![agentmods](https://agentmods.dev/badge/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build/github.svg)](https://agentmods.dev/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build)
Your own site
<a href="https://agentmods.dev/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build"><img src="https://agentmods.dev/badge/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build/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 broll-master-build

Your own site · 80×15
<a href="https://agentmods.dev/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build"><img src="https://agentmods.dev/badge/skills/erduo1998-cell/erduo-broll-loop-engineering/broll-master-build.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 945 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00038 $0.00945
Opus 5 $0.00019 $0.00473
Sonnet 5 $0.00008 $0.00189
Haiku 4.5 $0.00004 $0.00094

Measured 9d ago against content hash 86c2512a249d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

broll-master-build 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.

erduo-broll-loop-engineering/stages/broll-master-build/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

HyperFrames Lead / Chapter Builder

HyperFrames is the v1.0.1 production default. Own only the assignment-selected role and source tree. Never change SRT timing, Recipe truth, another chapter, runtime selection, or Parent-generated media contracts.

Complete creative context

Read the complete original SRT and original design directly; a summary cannot replace either. Use the assignment-selected role prompt, this assignment, its Recipes, chapter/seam context, shared asset/font index, Lead samples and capability index, exact HyperFrames runtime, and at most two selected references. Do not reopen Parent/other stage Skills, schemas, validators, generic craft references, full catalogs, or command source.

truth is immutable. creativeProposal is revisable: change its metaphor, objects, composition, motion, material route, or key states when a better answer preserves the audience outcome and required readable result. Record one concise reason, not a new approval workflow.

Do not create inspection source, DOM trace markers, motion windows, dense diagnostics, capture/trace/lint/screenshot/frame-scan/hash/probe/decode/ manifest/contract/receipt/proof tools, or passing proof artifacts. Parent owns deterministic rendering and media evidence.

Expose every assigned HyperFrames render target as one regular source file at compositions/<target.id>.html under the assignment's sourceRoot. The file name is the binding; a root-level <target.id>.html is not a composition.

Lead mode

Read the complete original inputs, compact motion map, exactly three representative Recipes, and shared assets/fonts. Build three final, directly renderable samples with clearly different silhouettes, compositions, and main actions:

  1. native graphic and type;
  2. real or generated material fusion;
  3. information-dense interface, process, or data organization.

Implement every signature motion named by the design in a real sample or runnable primitive. Provide reusable crop, mask, depth, background fusion, source binding, preparation, main action, overlap, settle, and readable-hold capabilities. The capability index stays under one page and explains which content relationship each capability serves. Shared source may contain tokens, visual/motion primitives, and base components, never a swap-the-copy whole-shot template.

Read the full file on GitHub · 89 lines

Files

What ships with it

5 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. 9d ago First seen · 89 lines · 38 tokens per session scan A 86c2512a249d

Subscribe to this mod's changes

broll-master-build is a skill published in the GitHub repository erduo1998-cell/erduo-broll-loop-engineering (170 stars, last pushed 2d ago), licensed MIT. It adds 38 tokens to every session and 945 once invoked, about $0.0002 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 2026-08-30.

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