AugmentClaude
VideoUI/UX

KrillinAI Cover Generator

By krillinai· krillinai/OpenCreator· 0

Generate cover images from text prompts using the KrillinAI CLI tool.

Installation

  1. Make sure Claude is on your device and in your terminal.

    Skills load from ~/.claude/skills/ when Claude Code starts up — so you need it on your machine first. If you don't have it yet, install it once with the command below, then run claude in any terminal to verify.

    One-time setup
    npm i -g @anthropic-ai/claude-code

    Already have it? Skip ahead.

  2. Paste into Claude Code or into your terminal.
    Install
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    This copies the whole skill folder into ~/.claude/skills/krillinai-cover-krillinai/ — the SKILL.md plus any scripts, reference docs, or templates the skill ships with. Safe default: works for every skill.

    Faster alternative (instruction-only skills)

    Skips the clone and grabs only the SKILL.md file. Don't use this if the skill ships Python scripts, reference markdowns, or asset templates — they won't be downloaded and the skill will fail when it tries to load them.

    Quick install (SKILL.md only)
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  3. Restart Claude Code.

    Quit and reopen Claude Code (or any other agent that loads from ~/.claude/skills/). New skills are picked up on startup.

  4. Just ask Claude.

    Skills auto-activate when your request matches the skill's description — no slash command needed. Trigger phrases live in the skill's own frontmatter; you can read them in the “What this skill does” section above.

Prefer to read the source first? Open on GitHub.

When Claude uses it

Use when generating a cover image with the KrillinAI CLI from a complete image prompt, including validating image-provider configuration and inspecting the generated image and saved prompt.

What this skill does

KrillinAI Cover

Use this skill for the implemented cover command. Read skills/krillinai-cli/references/cli-contract.md first for binary location, execution working directory, configuration, and JSON behavior.

Command

(cd "$KRILLINAI_CWD" && "$KRILLINAI_CLI" cover \
  --workdir "$WORKDIR" \
  --prompt "$COVER_PROMPT" \
  --size 1536x1024)

The prompt must already contain the desired title text, language, composition, visual style, and any useful source-video context. The current CLI does not expose a reference-image argument and does not automatically send origin_cover.jpg to the image model.

Inputs

  • --workdir: an existing or new task directory.
  • --prompt: required final prompt sent to the configured image model.
  • --size: optional image size; the default is 1024x1024.
  • [image] configuration in <execution-cwd>/config/config.toml.

Outputs

  • generated_cover.png
  • cover_prompt.final.txt
  • krillinai_manifest.json

Dry Run

cover --dry-run validates the command and writes a manifest, but it does not call the image model or create generated_cover.png.

Verification

  • Require terminal JSON with "ok": true.
  • Read output paths from the terminal response or manifest.
  • Confirm generated_cover.png is non-empty and decodable as an image.
  • Confirm cover_prompt.final.txt exactly records the submitted prompt.
  • If provider configuration is missing or generation fails, report the returned error rather than treating the manifest alone as success.

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