Demo Slideshow Edit
Plan no-caption slideshow-style MP4s and frame reels from demo-machine screenshots, storyboard frames, selected video spans, or manual QA evidence. Use when Codex needs a polished still-frame walkthrough, hero reel, or reviewable visual summary without recapturing the browser flow.
Install
$ agentstack add skill-45ck-skill-harness-demo-slideshow-edit ✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
About
Demo Slideshow Edit
Overview
Use this skill when the best output is a curated still-frame or segment-based reel rather than a full narrated playback. The slideshow must remain source-backed and evidence-linked.
Inputs
- storyboard frames or screenshots
- selected spans from
video.shots.json,segment.evidence.json, orevents.json - source
.demo.yamlor QA flow/report - target duration, aspect ratio, and audience
Workflow
- Select frames or spans that show state changes clearly.
- Reject frames that expose secrets, private data, or unreadable UI.
- Define the sequence with durations, crop/zoom notes, and transition notes.
- Prefer simple transitions and stable framing over decorative effects.
- Record the source path, evidence links, and output path in the artifact manifest when available.
- Produce a render plan or command. Do not claim the MP4 is approved until evidence and safety checks pass.
Output
Return:
- source run directory
- ordered frame/span list
- duration and aspect ratio
- output media path
- review surface path, if generated
- checks needed before handoff
Guardrails
- Do not fabricate app states that were not captured.
- Do not crop away failures, warnings, or key context.
- Do not use external stock or music unless the user explicitly asks and licensing is recorded.
- Keep generated slideshow media out of git unless explicitly promoted.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: 45ck
- Source: 45ck/skill-harness
- License: MIT
- Homepage: https://github.com/45ck/skill-harness/releases/tag/v0.1.0
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.