Skills video-outpainting

📦

video-outpainting

Name: video-outpainting
Author: agentspace-so

Content revision r2 High Risk ⚙️ External commands🌐 Network access📁 Filesystem access

Extend Video Beyond the Original Canvas

Changing a video's aspect ratio can crop subjects or create empty space. This skill guides spatial extension through RunComfy while preserving central action.

Supports: Claude Codex Code(CC)

⚠️ 38 Poor

Stop for confirmation before installing.

Review the plan and obtain explicit user consent before changing files.

Install with my Agent

Copy this request to your Agent. It includes the canonical Skill page and manifest.

Agent request

Review the Skillstore skill "video-outpainting" from https://skillstore.io/skills/agentspace-so-video-outpainting.md and its manifest at https://skillstore.io/api/skills/agentspace-so-video-outpainting/manifest. Verify the artifact. Stop and obtain explicit user consent before installing or changing files.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.

Markdown detail GET /skills/agentspace-so-video-outpainting.md Signed manifest GET /api/skills/agentspace-so-video-outpainting/manifest Signed lockfile GET /api/skills/agentspace-so-video-outpainting/lockfile

Test it

Using "video-outpainting". Convert a vertical interview clip to 16:9 for an internal presentation.

Expected outcome:

A 16:9 video with matching room detail added on both sides while the speaker remains centered.

Using "video-outpainting". Expand a square product video into a wide campaign banner with strict edge quality.

Expected outcome:

A recommendation to use a dedicated ComfyUI outpainting workflow, with continuity and seam requirements for production review.

Using "video-outpainting". Add more ground below a walking subject without changing the original action.

Expected outcome:

A directional outpainting request that extends the lower canvas and preserves motion, framing, lighting, and camera distance.

Security Audit

High Risk

v5 • 7/23/2026 Open versioned report

Most static alerts are false positives caused by Markdown formatting, documentation links, and a disclosed credential path. Two external-command findings are confirmed because the skill recommends unpinned package installation and automatic package execution. User-controlled JSON is also placed inside single shell quotes without robust escaping, despite a claim that no shell-injection surface exists.

Files scanned

164

Lines analyzed

Review items

False positives ignored

Confirmed security concerns (1)

High

SKILL.md:67-73 SKILL.md:149

Unsafe Shell Quoting for User-Controlled JSON

The command example wraps generated JSON in single shell quotes, while the security guidance claims prompt content has no shell-injection surface. An apostrophe in a prompt or URL can terminate that quoting unless the complete argument is safely encoded.

The shell example and the no-injection claim are explicit. Exploitability depends on how the agent serializes and escapes user-provided values before invoking Bash.

Capability review items (2)

These are real local capabilities that may be expected for this skill, so they require review but are not counted as confirmed malicious behavior.

Medium

SKILL.md:30-41

Ruby/shell backtick execution

```bash

The fenced example instructs users to install an unpinned npm package and permits automatic npx execution. A compromised or changed package version would execute third-party code.

Medium

SKILL.md:147

Ruby/shell backtick execution

- **Install via verified package manager only.** Use `npm i -g @runcomfy/cli` or `npx -y @runcomfy/c

The line explicitly recommends unpinned global npm installation or automatic npx execution. This runs third-party package code without a fixed reviewed version.

Audited by: codex View Audit History →

Share & cite this report

Share the versioned assessment report, neutral badge, embed card, and citations. Skillstore reports evidence without deciding whether this Skill is safe.

Open versioned report

Copy report link

https://skillstore.io/skills/agentspace-so-video-outpainting/audits/5?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_report

Markdown badge

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Embed card

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Academic citations (APA · BibTeX · CFF)

APA citation

agentspace-so. (2026). video-outpainting security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/agentspace-so-video-outpainting/audits/5

BibTeX citation

@techreport{agentspace-so-agentspace-so-video-outpainting-2026,
  author = {agentspace-so},
  title = {video-outpainting security audit report (audit version 5)},
  institution = {Skillstore},
  year = {2026},
  number = {5},
  url = {https://skillstore.io/skills/agentspace-so-video-outpainting/audits/5},
  note = {Author version unspecified}
}

CITATION.cff

cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "video-outpainting security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
  - name: "agentspace-so"
date-released: "2026-07-23"
url: "https://skillstore.io/skills/agentspace-so-video-outpainting/audits/5"
identifiers:
  - type: other
    value: "skillstore:agentspace-so-video-outpainting:audit:5"
    description: "Skillstore immutable audit report identifier"

Compare variants

3 installable variants

Each author remains a separate installable skill. The recommended variant is ranked by Skillstore evidence.

Why this variant is first

Highest Skillstore Score

Author / source Skillstore Score Evidence Confidence Skillstore usage Updated

runcomfy-com Recommended

runcomfy-com-video-outpainting

Skillstore Score 78

Evidence Confidence High

Skillstore usage 11

Updated

2026-08-21

doany-ai

doany-ai-video-outpainting

Skillstore Score 70

Evidence Confidence High

Skillstore usage 8

Updated

2026-08-21

agentspace-so Current

agentspace-so-video-outpainting

Skillstore Score 38

Evidence Confidence High

Skillstore usage 4

Updated

2026-08-21

Skillstore Score

Why this score Evidence Confidence: High

Architecture

Maintainability

Content

Community

Spec Compliance

What You Can Build

Convert Social Video

Expand a vertical clip to a horizontal format while keeping the speaker and action centered.

Prepare Campaign Variants

Create wider or taller versions of approved footage for placements with different aspect ratios.

Modernize Archive Footage

Plan spatial expansion for older 4:3 footage and select a workflow with stronger seam control.

Try These Prompts

Basic Horizontal Expansion

Outpaint [video URL] from 9:16 to 16:9. Extend matching scenery on both sides and keep the original subject centered.

Directional Canvas Extension

Extend [video URL] by [percentage] toward [direction]. Continue the existing environment, lighting, perspective, and camera distance.

Continuity-Constrained Outpaint

Convert [video URL] to [target ratio]. Preserve central action, framing, motion, lighting, depth of field, and background continuity throughout the clip.

Quality-Routed Production Plan

Assess [video URL] for [delivery purpose]. Choose Wan 2-7 or a dedicated ComfyUI workflow, then define expansion, preservation, and seam-quality requirements.

Best Practices

State the target aspect ratio, extension direction, and approximate expansion before describing new scenery.
Repeat preservation requirements for subject framing, motion, lighting, camera distance, and background style.
Use a dedicated ComfyUI workflow for final advertising assets with strict seam or temporal consistency requirements.

Avoid

Do not request multiple large expansion passes when one controlled pass can reach the target ratio.
Do not use this skill to add frames in time or edit masked regions inside the original frame.
Do not place unescaped user prompts or URLs directly inside shell-quoted command arguments.

Frequently Asked Questions

Does this skill extend video duration?

No. It expands the visible canvas around existing frames but does not add frames before or after the clip.

Which model does the CLI route use?

The default CLI route uses Wan 2-7 Edit-Video for prompt-driven spatial extension.

Can it convert vertical video to horizontal video?

Yes. It can guide a 9:16 to 16:9 conversion while requesting preservation of the central subject.

When should I use a ComfyUI workflow?

Use one when final delivery requires strict seam quality, motion-aware fill, or stronger temporal consistency.

What access does the skill require?

It requires the RunComfy CLI, authentication, network access, and permission to write generated files.

Can it guarantee seamless results?

No. Results vary by source footage, motion, expansion size, model behavior, and workflow choice.

Developer Details

Author

agentspace-so

License

MIT

Skillstore revision

Version notice

The author did not declare a version.

Repository

https://github.com/agentspace-so/runcomfy-agent-skills/tree/main/video-outpainting/

Ref

181fdefcafd96b041926e61c4b2e306ca7e7820e

Maintenance freshness

7/24/2026

Usage

2 downloads · 46 views

File structure

📄 SKILL.md

video-outpainting

Install with my Agent

Agent-readable resources

Test it

Security Audit

Confirmed security concerns (1)

Risk Factors

Copy report link

Markdown badge

HTML badge

Embed card

APA citation

BibTeX citation

CITATION.cff

Compare variants

Skillstore Score

What You Can Build

Convert Social Video

Prepare Campaign Variants

Modernize Archive Footage

Try These Prompts

Best Practices

Avoid

Frequently Asked Questions

Developer Details