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Extracts Mermaid diagrams from markdown files and generates high-quality PNG images using bundled scripts. Activates when working with Mermaid diagrams, converting diagrams to PNG, extracting diagrams from markdown, or processing markdown files with embedded Mermaid code.
Passed 16 of 20 test cases with the skill, and 4 of 20 without it.
and 16 more in the full report
14 fixed4 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 14 test cases the skill fixed. Same model, same prompt, with and without the skill.
Executing `extract-and-generate.sh` produces `permission denied`. What bash command grants execution permissions to this script?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies chmod +x ~/.claude/skills/mermaid-tools/scripts/extract-and-generate.sh. | Missed | Passed |
The instructions your model reads when the skill loads.
This skill enables extraction of Mermaid diagrams from markdown files and generation of high-quality PNG images. The skill bundles all necessary scripts (extract-and-generate.sh, extract_diagrams.py, and puppeteer-config.json) in the scripts/ directory for portability and reliability.
Extract Mermaid diagrams from a markdown file and generate PNG images using the bundled extract-and-generate.sh script:
cd ~/.claude/skills/mermaid-tools/scripts
./extract-and-generate.sh "<markdown_file>" "<output_directory>"
Parameters:
<markdown_file>: Path to the markdown file containing Mermaid diagrams<output_directory>: (Optional) Directory for output files. Defaults to <markdown_file_directory>/diagramsExample:
cd ~/.claude/skills/mermaid-tools/scripts
./extract-and-generate.sh "/path/to/document.md" "/path/to/output"
.mmd files for each diagramFor each diagram, the script generates:
01-diagram-name.mmd - Extracted Mermaid code01-diagram-name.png - High-resolution PNG imagetest cases passed, vs 4 / 20 without
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