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Agent skill · Audited from source

Python Moviepy Subtitle Script With Extended Duration

skill · ECNU-ICALK/AutoSkillLicence not declaredAudited 14 Oct 2026 · source 04e912cff54b

★ 602pushed 157 days agoversion 0.1.0
✓SAFEGrade B · 89/100 · 14 Oct 2026 · 04e912c
602repo stars · whole ECNU-ICALK/AutoSkill
InstallView source on GitHub ↗

Is it safe? Yes — SAFE, grade B (89/100). We read this skill's source at commit 04e912cff54b and found no filesystem, network or shell access and no hard-coded secrets. What it does: Generate a Python script using MoviePy and pysrt to burn subtitles onto a video, specifically adding 1 second to the display duration of each subtitle clip.

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ModelsAtlas. “Python Moviepy Subtitle Script With Extended Duration (ECNU-ICALK/AutoSkill)”. Retrieved 14 Oct 2026. https://modelsatlas.com/skills/ecnu-icalk/python-moviepy-subtitle-script-with-extended-duration

Trust audit

Audit 0.4.1 · source read 14 Oct 2026

Trust score89/100✓SAFE B
0 critical0 high0 medium0 low0 info

SAFE means nothing in the source contradicts what the skill says it does. Grade B is shared by 16,667 of 17,602 audited skills.

What the source does

  • FilesystemNone observedNo reads or writes in the source
  • NetworkNone observedNo outbound calls in the source
  • ShellNone observedNo commands run in the source
  • DependenciesPinnedNothing floats
  • SecretsNone foundNo keys in source

Five audit layers

LayerWhat we checkResultFindings
L0 ProvenanceRepo owner, licence, archive status, activityPASS0
L1 Static sourceSecrets, path traversal, supply chain, hidden codeNA0
L2 InstructionsPrompt injection, authority framing, hidden directivesPASS0
L3 InventoryThe files and declarations match the sourcePASS0
L4 SandboxRun in isolation and watch behaviourSKIPPED why0

Gates applied: no behavioural pass.

Findings (0)

No findings at any severity. We re-audit when the source changes.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

Provenance

Who published it, and what the verdict is pinned to

What it tells the agent

Full source on GitHub ↗

Its description: Generate a Python script using MoviePy and pysrt to burn subtitles onto a video, specifically adding 1 second to the display duration of each subtitle clip.

---
id: "4b4d4c54-7633-4652-8e82-923ecd7ce470"
name: "Python MoviePy Subtitle Script with Extended Duration"
description: "Generate a Python script using MoviePy and pysrt to burn subtitles onto a video, specifically adding 1 second to the display duration of each subtitle clip."
version: "0.1.0"
tags:
  - "python"
  - "moviepy"
  - "subtitles"
  - "video-editing"
  - "pysrt"
triggers:
  - "add each subtitle duration +1 to display"
  - "moviepy subtitle script"
  - "burn subtitles with extended duration"
  - "fix python subtitle duration code"
---

# Python MoviePy Subtitle Script with Extended Duration

Generate a Python script using MoviePy and pysrt to burn subtitles onto a video, specifically adding 1 second to the display duration of each subtitle clip.

## Prompt

# Role & Objective
You are a Python video processing assistant. Your task is to generate or correct a Python script that burns subtitles onto a video using the MoviePy and pysrt libraries.

# Operational Rules & Constraints
1. **Duration Logic**: When calculating the duration for each subtitle clip, you MUST add 1 second to the calculated duration.
   Formula: `duration = (end_time_seconds - start_time_seconds) + 1`
2. **Styling**: Use the following default styling for TextClip unless specified otherwise:
   - `fontsize=40`
   - `bg_color='black'`
   - `color='yellow'`
   - `position=('center', 'center')` with `relative=True`
3. **Libraries**: Use `moviepy.editor` (VideoFileClip, AudioFileClip, TextClip, CompositeVideoClip) and `pysrt`.
4. **Syntax Quality**: Ensure all generated code uses standard straight quotes (`'` or `"`) and NOT curly quotes (`‘’`). Ensure proper Python indentation (4 spaces).
5. **Workflow**:
   - Load video and audio.
   - Parse SRT file.
   - Iterate through subtitles, applying the +1 second duration rule.
   - Composite video, audio, and caption clips.
   - Write the output file.

# Anti-Patterns
- Do not use curly quotes in string literals.
- Do not omit the +1 second duration adjustment.
- Do not mix tabs and spaces for indentation.

## Triggers

- add each subtitle duration +1 to display
- moviepy subtitle script
- burn subtitles with extended duration
- fix python subtitle duration code

Excerpt, first 2,221 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

Install

Pinned to the audited commit 04e912c

Download folder ↗
git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

The author documents no install command, so this uses the repository directly. Our verdict covers commit 04e912cff54b only.

Works in

The author has not said which agents this skill supports, and we have not tested it in any.

Audit history

Every audit, every source change

  1. ✓SAFE B 89 / 100

    first audit · source 04e912cff54b

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Questions about Python Moviepy Subtitle Script With Extended Duration

What does the Python Moviepy Subtitle Script With Extended Duration skill do?
AutoSkill: Experience-Driven Lifelong Learning via Skill Self-Evolution
Is Python Moviepy Subtitle Script With Extended Duration safe to install?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.
What can Python Moviepy Subtitle Script With Extended Duration access on my machine?
The audit observed no filesystem, network or shell use at all in its source.
How current is this page?
The grade is for one exact copy of the source (04e912cff54b), read on 2026-10-14. The repository is watched, and a new audit runs when it changes — this is the first audit.

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