Extract Audio and Video Metadata
Media metadata tasks need suitable input sources across browser, Node.js, Bun, and Remotion projects. This skill provides Mediabunny patterns for reading durations and video dimensions from URLs or local files.
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Review the Skillstore skill "mediabunny" from https://skillstore.io/skills/remotion-dev-mediabunny.md and its manifest at https://skillstore.io/api/skills/remotion-dev-mediabunny/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.
Using "mediabunny". I need the duration of an audio file selected through a browser upload.
Expected outcome:
Using "mediabunny". I need the size of a video in a Remotion project.
Expected outcome:
Using "mediabunny". I need the duration of a remote MP4 file.
Expected outcome:
All four static findings are documentation links or example media URLs. They do not send sensitive data, execute code, or show malicious network behavior. No prompt injection, exfiltration intent, or other semantic security concern was found.
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https://skillstore.io/skills/remotion-dev-mediabunny/audits/2?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_report[](https://skillstore.io/skills/remotion-dev-mediabunny?utm_source=security_passport_badge)<a href="https://skillstore.io/skills/remotion-dev-mediabunny?utm_source=security_passport_badge"><img src="https://skillstore.io/badges/skills/remotion-dev-mediabunny/security.svg" alt="Skillstore security assessment" loading="lazy"></a><iframe src="https://skillstore.io/embed/skills/remotion-dev-mediabunny.html" title="Skillstore Security Assessment" sandbox="allow-popups allow-popups-to-escape-sandbox" loading="lazy" referrerpolicy="no-referrer" width="420" height="180"></iframe>remotion-dev. (2026). mediabunny security audit report (audit version 2) [Author version unspecified]. Skillstore. https://skillstore.io/skills/remotion-dev-mediabunny/audits/2@techreport{remotion-dev-remotion-dev-mediabunny-2026,
author = {remotion-dev},
title = {mediabunny security audit report (audit version 2)},
institution = {Skillstore},
year = {2026},
number = {2},
url = {https://skillstore.io/skills/remotion-dev-mediabunny/audits/2},
note = {Author version unspecified}
}cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "mediabunny security audit report (audit version 2)"
version: "unspecified"
type: report
authors:
- name: "remotion-dev"
date-released: "2026-07-13"
url: "https://skillstore.io/skills/remotion-dev-mediabunny/audits/2"
identifiers:
- type: other
value: "skillstore:remotion-dev-mediabunny:audit:2"
description: "Skillstore immutable audit report identifier"
A web developer checks audio length and video resolution before accepting an uploaded file.
A motion designer reads local asset duration or dimensions before setting composition timing and layout.
A Node.js developer extracts basic metadata from local audio and video files during a processing workflow.
Show me how to read the duration of an uploaded audio File with Mediabunny.
Show me how to read the duration of a video available at a URL with Mediabunny.
Show me how to get width and height for a video in my Remotion public directory.
Create a reusable Mediabunny helper that returns audio duration or video duration and dimensions for a local file.
Author
remotion-devLicense
MIT
Skillstore revision
r1
Version notice
The author did not declare a version.
Ref
47523c25cad87b7214fe2c3c06b309c556dc0a7e
Maintenance freshness
7/18/2026
Usage
1 downloads · 0 views
File structure
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