frameproof

frameproof is a skill for Claude Code from edvardgrishin27/frameproof. It costs 228 tokens per session (2,151 once invoked), scanned A, original, MIT.

A video analysis tool that indexes speech and visible screen text in recordings from YouTube, Loom, Zoom, Kinescope, or local MP4 files. It links claims about the screen to exact frames and time codes, while reporting sections that were not visually covered.

In plain words
What is it for?
Use it to answer questions about recordings, locate commands or names shown on screen, search transcripts and screenshots, and cite the exact moment supporting an observation.
Why use it?
It helps prevent unsupported claims about what appeared in a recording. Searches can find spoken words and on-screen text, and the analysis can be checked against the indexed video.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the frameproof plugin — 2 skills, 1 agent shipped together

Good fit Use it to answer questions about recordings, locate commands or names shown on screen, search transcripts and screenshots, and cite the exact moment supporting an observation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/edvardgrishin27/frameproof/skill
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 edvardgrishin27/frameproof --skill skill
Clone the repo
git clone --depth 1 https://github.com/edvardgrishin27/frameproof

Made for: Claude Code.

Or install frameproof, the plugin that ships this one along with the rest of its 2 skills, 1 agent.

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 frameproof

README.md
[![agentmods](https://agentmods.dev/badge/skills/edvardgrishin27/frameproof/skill/github.svg)](https://agentmods.dev/skills/edvardgrishin27/frameproof/skill)
Your own site
<a href="https://agentmods.dev/skills/edvardgrishin27/frameproof/skill"><img src="https://agentmods.dev/badge/skills/edvardgrishin27/frameproof/skill/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 frameproof

Your own site · 80×15
<a href="https://agentmods.dev/skills/edvardgrishin27/frameproof/skill"><img src="https://agentmods.dev/badge/skills/edvardgrishin27/frameproof/skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 228 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,151 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 warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium analysis-evasion · line 1
    Suspicious Unicode normalization or mixed-script content
    Fix: Review the flagged content for security risks. Ensure no credentials, secrets, or sensitive data are exposed.
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 $0.00228 $0.02151
Opus 5.5 $0.00091 $0.00860
Sonnet 5.5 $0.00046 $0.00430
Haiku 4.5 $0.00023 $0.00215

Measured 1mo ago against content hash 5cc9b8deccef, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

frameproof 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

Copies of this mod

1 near-identical copy found in the catalogue:

frameproof/assets/skill/SKILL.md · 177 lines

How it starts

The opening of the file, as written. The whole thing — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.

frameproof — смотреть видео и уметь это доказать

Главное правило

Никогда не утверждай, что было на экране, если не видел кадра.

Инструмент честно печатает покрытие. Если в отчёте есть участок «БЕЗ КАДРА» — про этот промежуток говори прямо: «кадра здесь нет, по звуку — вот что». Догадка, поданная как наблюдение, обесценивает весь разбор.

Каждое утверждение про экран — с меткой [MM:SS / fNNNN]. Это не оформление: frameproof verify проверяет каждую такую метку по индексу. Выдуманная ссылка будет поймана арифметикой, без всякой модели.

Порядок работы

1. Индекс

frameproof index "<ссылка или путь>" --ocr

Выведет отчёт покрытия. Прочитай его прежде всего остального: сколько кадров, какой максимальный разрыв, есть ли участки без кадров.

Путь к индексу — в последней строке вывода. Дальше он нужен как --out.

--ocr включает распознавание текста на кадрах (macOS, офлайн). Это делает экран грепаемым: команды, имена файлов и URL находятся поиском без единой картинки. Распознаётся отдельная копия в родном разрешении, показ остаётся лёгким.

Полезные ключи: --max-gap 10 (плотнее покрытие), --max-frames 400 (длинное видео), --lang ru (язык расшифровки, если субтитров нет).

Если рядом с видео лежат готовые субтитры — --subs речь.srt, это точнее и быстрее расшифровки. Не на macOS распознавание подключается своим движком: --ocr-command "<программа>", она получает пути к картинкам и печатает путь<TAB>текст.

2. Прочитай карту

cat <индекс>/index.json

Маленький файл, читай целиком. В нём длительность, число кадров, источник транскрипта и — главное — блок coverage.

3. Ищи текстом, а не картинками

frameproof search "<запрос>" --out <индекс>

Ищет и по речи, и по тексту с экрана. Возвращает строки с тайм-кодами. Ни одной картинки — ноль визуальных токенов. Большинство вопросов закрывается здесь.

Поиск подстрочный (триграммы), русские падежи не мешают.

Для более сложных выборок грепай напрямую:

Read the full file on GitHub · 177 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.

  1. 1mo ago First seen · 177 lines · 228 tokens per session scan A 5cc9b8deccef

Subscribe to this mod's changes

frameproof is a skill published in the GitHub repository edvardgrishin27/frameproof (32 stars, last pushed 16d ago), licensed MIT. It adds 228 tokens to every session and 2,151 once invoked, about $0.0009 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 2026-08-30.

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