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 rules/langfuse/langfuse-docs/embed-videosgit clone --depth 1 https://github.com/langfuse/langfuse-docsWhat 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 | $0.00014 | $0.00274 |
| Opus 5 | $0.00007 | $0.00137 |
| Sonnet 5 | $0.00003 | $0.00055 |
| Haiku 4.5 | $0.00001 | $0.00027 |
Grade A, and why
embed-videos 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 yesterday.
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.
What it actually says
General rules
We use the components from Video.tsx across our documentation to embed videos in the docs.
You can use the gifStyle flag for short videos, they will autoplay and look like gifs.
Always include a placeholder for the dimensions, thereby the user can add these to reduce layout shift.
is available globally without adding an import
Recording Videos
- ScreenStudio to record videos
- 16:9 aspect ratio
- Light mode (not dark mode)
- Do not use a frame or border around the video. will do this automatically.
Publish
Publish videos to the docs-videos bucket on Cloudflare.
Examples
Example
<Video
src="https://static.langfuse.com/docs-videos/<video>.mp4"
aspectRatio={16 / 9}
title="<title>"
/>
Example gifmode
<Video
src="https://static.langfuse.com/docs-videos/<video>.mp4"
aspectRatio={16 / 9}
gifStyle
/>
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.
- yesterday First seen · 49 lines · 14 tokens per session scan A f6e7dc810a9e
embed-videos is a cursor rule published in the GitHub repository langfuse/langfuse-docs (237 stars, last pushed 2d ago), licensed MIT. It adds 14 tokens to every session and 274 once invoked, about $0.0001 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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