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 MoizIbnYousaf/marketing-cli --skill remotion-best-practicesgit clone --depth 1 https://github.com/MoizIbnYousaf/marketing-cliWrote 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/moizibnyousaf/marketing-cli/remotion-best-practices)<a href="https://agentmods.dev/skills/moizibnyousaf/marketing-cli/remotion-best-practices"><img src="https://agentmods.dev/badge/skills/moizibnyousaf/marketing-cli/remotion-best-practices/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/moizibnyousaf/marketing-cli/remotion-best-practices"><img src="https://agentmods.dev/badge/skills/moizibnyousaf/marketing-cli/remotion-best-practices.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 16 findings, 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 MCP Rug Pull · line 4 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 37 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 43 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 75 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 91 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 100 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 196 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 199 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 202 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 205 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 278 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 36 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 44 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 72 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 98 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium Agent Snooping · line 310 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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 | $0.00206 | $0.04382 |
| Opus 5 | $0.00103 | $0.02191 |
| Sonnet 5 | $0.00041 | $0.00876 |
| Haiku 4.5 | $0.00021 | $0.00438 |
Grade A, and why
remotion-best-practices 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.
How it starts
The opening of the file, as written. The whole thing — 316 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Remotion Best Practices
Domain-specific knowledge for writing, animating, and rendering Remotion videos in React. Mirrored from the upstream remotion-dev/skills and remotion-dev/remotion .claude snapshots — see upstream.json for SHAs and scripts/check-upstream.sh for drift detection.
This is a knowledge skill. Other skills (/cmo-remotion, /video-content, /tiktok-slideshow) chain into it for the rules. Don't invoke it directly to render a video — invoke it to ground yourself before you touch composition code.
On Activation
Read brand files in this order. Each is a soft input — every section below works at L0 with no brand at all:
brand/creative-kit.md— colors, typography, visual brand style. Drives palette, font choice, and the look of any composition you scaffold.brand/voice-profile.md— tone, vocabulary. Drives any visible text (titles, captions, subtitle phrasing).brand/audience.md— who watches. Drives pacing (tight cuts for B2C scroll feeds, longer holds for B2B explainers).brand/positioning.md— what the video is selling. Drives narrative beats and CTA copy.
If any file is missing or template, fall back to neutral defaults: 1920×1080 @ 30fps, system font stack, 6-second hold per beat. Tell the user once: "Brand files thin — using neutral defaults. Run /cmo foundation to ground future videos."
When to use
- User mentions Remotion,
useCurrentFrame,interpolate,spring,<Sequence>,<Composition>,staticFile. - User wants to scaffold a programmatic React video (
npx create-video@latest). - User wants HtmlInCanvas, CRT terminal, glitch, video shader, or WebGL post-processing.
- User is debugging captions, subtitles, voiceover, audio visualization, or ffmpeg-piped Remotion work.
- User is rendering with
npx remotion renderand hitting WebGL / GPU / fps issues.
Do not use for: assembling a finished MP4 from existing slide PNGs (/video-content), inspiration-to-MP4 from a reference URL (/cmo-video), or TikTok slideshow chains (/tiktok-slideshow).
What ships with it
60 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.
- references/upstream-internal/commands/add-bug.md 653 B
- references/upstream-internal/commands/checkout.md 49 B
- references/upstream-internal/commands/formatting.md 89 B
- references/upstream-internal/commands/release.md 2.5 KB
- references/upstream-internal/commands/update-chrome-binaries-test-region.md 5.9 KB
- references/upstream-internal/commands/update-stars.md 278 B
- references/upstream-internal/commands/upgrade-caniuse.md 331 B
- references/upstream-internal/commands/upgrade-mediabunny.md 945 B
- references/upstream-internal/MAP.md 2.7 KB
- references/upstream-internal/skills/add-cli-option/SKILL.md 4.1 KB
- references/upstream-internal/skills/add-expert/SKILL.md 1.5 KB
- references/upstream-internal/skills/add-new-package/SKILL.md 2.8 KB
- references/upstream-internal/skills/add-sfx/SKILL.md 2.4 KB
- references/upstream-internal/skills/docs-demo/SKILL.md 1.9 KB
- references/upstream-internal/skills/fix-dependabot/SKILL.md 2.0 KB
- references/upstream-internal/skills/pr-name/SKILL.md 428 B
- references/upstream-internal/skills/pr/SKILL.md 475 B
- references/upstream-internal/skills/video-report/SKILL.md 296 B
- references/upstream-internal/skills/web-renderer-test/SKILL.md 1.9 KB
- references/upstream-internal/skills/writing-docs/SKILL.md 5.6 KB
- rules/3d.md 2.2 KB
- rules/assets/charts-bar-chart.tsx 3.3 KB
- rules/assets/text-animations-typewriter.tsx 2.1 KB
- rules/assets/text-animations-word-highlight.tsx 2.3 KB
- rules/audio-visualization.md 4.8 KB
- rules/audio.md 3.5 KB
- rules/calculate-metadata.md 3.2 KB
- rules/compositions.md 3.3 KB
- rules/display-captions.md 5.3 KB
- rules/ffmpeg.md 1.1 KB
- rules/get-audio-duration.md 1.3 KB
- rules/get-video-dimensions.md 1.6 KB
- rules/get-video-duration.md 1.3 KB
- rules/gifs.md 3.6 KB
- rules/google-fonts.md 1.7 KB
- rules/html-in-canvas.md 3.4 KB
- rules/images.md 1.4 KB
- rules/import-srt-captions.md 2.2 KB
- rules/light-leaks.md 2.3 KB
- rules/local-fonts.md 1.5 KB
- rules/lottie.md 1.8 KB
- rules/mapbox.md 11 KB
- rules/measuring-dom-nodes.md 973 B
- rules/measuring-text.md 2.7 KB
- rules/parameters.md 2.3 KB
- rules/sequencing.md 3.2 KB
- rules/sfx.md 867 B
- rules/silence-detection.md 2.5 KB
- rules/subtitles.md 922 B
- rules/tailwind.md 420 B
- rules/text-animations.md 700 B
- rules/timing.md 4.4 KB
- rules/transcribe-captions.md 1.9 KB
- rules/transitions.md 5.7 KB
- rules/transparent-videos.md 2.2 KB
- rules/trimming.md 1.2 KB
- rules/videos.md 3.4 KB
- rules/voiceover.md 3.2 KB
- scripts/check-upstream.sh 5.5 KB runs code
- upstream.json 12 KB
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.
- 6d ago First seen · 316 lines · 206 tokens per session scan A 4a84bae056f3
remotion-best-practices is a skill published in the GitHub repository MoizIbnYousaf/marketing-cli (31 stars, last pushed 23d ago), licensed MIT. It adds 206 tokens to every session and 4,382 once invoked, about $0.0010 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 2026-09-03.
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