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CC short-form-video

Writes and makes short videos for TikTok, Reels, and Shorts (or 16:9 for YouTube, Reddit, LinkedIn): a hook-first script, captions, hashtags, a posting time, and, if wanted, the rendered video. Use whenever someone wants a TikTok, Reel, Short, launch or demo video, or video script, even a quick 15-second one.

marcosmodly/marketing-skill Agent Skills author: marcosmodly 1 file body ≈ 9 517 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Writes and makes short videos for TikTok, Reels, and Shorts (or 16:9 for YouTube, Reddit, LinkedIn): a hook-first script, captions, hashtags, a posting time…

As a process C 62/100 · Has gaps — References files that are not bundled: references/brand-voice.md, references/video-rendering.md, scripts/video/cut.js

GeneratorYouTubeFigmaCanvaMedia and videotype and topics are labelled automatically from the skill text
Runs in: Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) OpenClaw Goose OpenCode
JSON
Technical rating
C
83/100
safety, quality, tests
Safety 60%
95
Quality 40%
65
Run on models
none yet
Process rating
C
62/100
Has gaps
References files that are not bundled: references/brand-voice.md, references/video-rendering.md, scripts/video/cut.js
Tools and files w 18
0
Inputs and preconditions w 11
30
Execution cost w 6
40
the three weakest of ten parameters · all ten

What is at stake

Medium-severity findings: the skill is probably honest, but read what alarmed the scanner.

Broad scope medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The skill asks for more than the task needs: broad tool access, credential environment variables, binaries. Every extra permission widens the damage from a mistake or a compromise.

For the author

Narrow allowed-tools and the variable list to the minimum; replace binaries with readable sources or scripts.

How to improve

  1. The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
  2. The text references files that are not there: add them or drop the references.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 1

✓ No critical or high findings

Medium and low: 1
  • medium Broad scope meta-broad-allowed-tools SKILL.md:1
    Broad tool permissions pre-approved: Bash
    allowed-tools: Read Grep Glob WebSearch WebFetch Write Bash

Files scanned: 1. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning body-long SKILL.md body ≈ 9517 tokens (recommended < 5000); move details to references/
  • warning missing-ref reference to a missing file: references/brand-voice.md
  • warning missing-ref reference to a missing file: references/video-rendering.md
  • warning missing-ref reference to a missing file: scripts/video/cut.js
  • warning missing-ref reference to a missing file: scripts/video/compose.js

Process rating: all ten parameters 62/100

Will not run. References files that are not bundled: references/brand-voice.md, references/video-rendering.md, scripts/video/cut.js
  • 0Tools and files. 4 referenced file(s) missing: references/brand-voice.md, references/video-rendering.md, scripts/video/cut.js
  • 30Inputs and preconditions. Does not say what the process needs to start
  • 40Execution cost. Instruction body is 9517 tokens: crowds the task out of the window
  • 60Result and completion. Output format stated, no completion criterion
  • 70When it triggers. States when to use, but not when not to
  • 100Steps. 73 steps
  • 100Failures and branches. 7 branches, has a failure section
  • 100Consistency. Name and required fields are in place
  • 100Running it twice. Mutating operations check current state
  • 100Progress reporting. Reports progress
  • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
  • low The response is described with custom markup (4 tags): a typed call is more reliable

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +1No license
  • +2Single-language instructions
  • +3Description length 310: enough signal without eating the budget
  • +4Structure: 15 headings
  • +3Step-by-step instructions: 73 items
  • +3Output format is stated explicitly
  • +4Has examples (0 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 65.