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 agentmods add skills/poppify/poppify-claude-plugin/poppify-render-debugnpx skills add Poppify/poppify-claude-plugin --skill poppify-render-debuggit clone --depth 1 https://github.com/Poppify/poppify-claude-pluginWrote 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/poppify/poppify-claude-plugin/poppify-render-debug)<a href="https://agentmods.dev/skills/poppify/poppify-claude-plugin/poppify-render-debug"><img src="https://agentmods.dev/badge/skills/poppify/poppify-claude-plugin/poppify-render-debug.svg" alt="Measured on agentmods" 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 | $0.00138 | $0.01434 |
| Opus 5 | $0.00069 | $0.00717 |
| Sonnet 5 | $0.00028 | $0.00287 |
| Haiku 4.5 | $0.00014 | $0.00143 |
Grade C, and why
poppify-render-debug scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf /tmp/poppify-verify Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
which ffprobe ffmpeg curl # all three should exist How it starts
The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Verifying a Poppify render
Once get_result({ sessionId, apiKey }) returns status: "complete" with a videoUrl, run this verification BEFORE handing the URL to the user. The signed GCS URL is valid ~7 days (videoUrlExpiresAtIso has the exact expiry), so verify, then hand it over with the expiry note.
Prerequisites
which ffprobe ffmpeg curl # all three should exist
If ffmpeg/ffprobe are missing: brew install ffmpeg on macOS, apt-get install ffmpeg on Debian/Ubuntu.
Step 1 — Download the MP4
mkdir -p /tmp/poppify-verify
curl -sL "$VIDEO_URL" -o /tmp/poppify-verify/render.mp4
ls -l /tmp/poppify-verify/render.mp4 # should be ≥ 200KB for a 15s reel
If the file is < 50KB, the URL is likely expired or the render produced an empty file — re-call get_result to confirm status is still complete and videoUrl is current.
Step 2 — ffprobe for the structural verdict
ffprobe -v error -print_format json -show_streams -show_format /tmp/poppify-verify/render.mp4
Check these fields against expectations:
| Question | Where to look | Expected |
|---|---|---|
| Has video? | streams[].codec_type === "video" |
h264, 720x1280, ~24fps |
| Has audio? | streams[].codec_type === "audio" |
aac, sample_rate 44100 or 48000 |
| Duration | format.duration |
matches the sum of per-slide durations from get_slide_plan / get_result (text-length-driven; media floors play in full) within ±1s |
| Resolution | streams[0].width x streams[0].height |
720x1280 (vertical) |
If audio stream is missing: the session's selectedAudio likely had an empty resolvedUrl. Check get_result's response for the session's audio attach state.
Step 3 — Extract sample frames
Extract one frame per second to a thumbs directory:
ffmpeg -y -i /tmp/poppify-verify/render.mp4 -vf "fps=1" /tmp/poppify-verify/frame_%03d.png 2>/dev/null
ls /tmp/poppify-verify/frame_*.png
Read each frame with the Read tool (it accepts PNG paths) and verify visually:
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.
- 3d ago First seen · 90 lines · 0 tokens per session scan C b571d613a19c
poppify-render-debug is a skill published in the GitHub repository Poppify/poppify-claude-plugin (0 stars, last pushed 1mo ago), licensed MIT. It adds 138 tokens to every session and 1,434 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other skills, from other repositories
lanshu-create-ai-presenter-video
Turn a topic or finished script plus an authorized adult presenter image into a complete, publish-ready AI presenter video. Use for new presenter videos and for continuing, revising, captioning, lip-sync repairing, or re-exporting an existing presenter-video job. Keep model and provider selection capability-based and…
travel-skill
规划、编写、审阅和修复由真实授权素材与 AI 生成镜头混合制作的电影级文旅宣传片。用于文旅短片创意简报、场景图筛选、首帧空间分析、分镜脚本、画面内容提示词、人物动作、导演级运镜、自然动机布光、转场与尾帧衔接、Seedance 2.0/可灵/Midjourney 提示词、生成结果诊断、时间线与合规风险检查；尤其适用于需要写实、辽阔、自由感和角色剧情连续性的项目。.
video-podcast-maker
Use when the user gives a topic and wants an automated topic-driven narrated explainer, podcast, or knowledge-summary video (Bilibili / YouTube / Xiaohongshu / Douyin / WeChat Channels), or asks to learn visual design patterns from a reference video/image. Trigger when the user mentions creating a knowledge video…
demo-video
Make a demo video of a piece of software: drive the app on screen while narrating what it does, generate an AI voiceover and optional on-camera presenter, and assemble everything into a finished MP4. Use when the user asks to "make a demo video", "record a demo", "create a product video", "show off this app", "make a…
demo-shorts
Cut a vertical 9:16 Short (YouTube Shorts, Instagram Reels, TikTok) from a demo video project in one of four named styles — listicle (rapid numbered beats), cohost (split screen with presenter), flashcard (typographic interstitials), or glide (immersive pan). Use when the user asks for a "short", "shorts", "vertical…
demo-script
Writing the script and shot list for a demo video, and the demo.json manifest schema. Use when planning what a product video should say and show, writing voiceover narration, structuring scenes, or editing demo.json.