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brain-pdf

Renders brain pages into publication-quality PDFs via the gstack make-pdf binary.

Updated Aug 17, 2026
Search Tags:#pdf#markdown#rendering#document export#make-pdf#telegram delivery#brain page
One-click install
npx skills add https://github.com/AMC-JTC/gbrain-1 --skill brain-pdf-amc-jtc
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: brain-pdf
Source: https://github.com/AMC-JTC/gbrain-1/tree/main/plugin/skills/brain-pdf
Command: npx skills add https://github.com/AMC-JTC/gbrain-1 --skill brain-pdf-amc-jtc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Turning a markdown brain page into a shareable, polished PDF normally requires manual cleanup of frontmatter, emoji, and layout. This Skill automates that rendering pipeline so a brain page can be delivered as a clean document with running headers and page numbers. ## Core Features & Use Cases - Frontmatter stripping and sanitization: Removes YAML frontmatter and sanitizes emoji before rendering so the PDF contains only clean body content. - Opinionated defaults: Renders without cover pages or tables of contents unless explicitly requested, with support for draft watermarks and custom title/author overrides. - Multi-channel delivery: Delivers the finished PDF via Telegram message attachments, email, or direct file paths, always linking back to the source brain page. - Use Case: After generating a personalized book mirror or strategic-reading playbook as a brain page, convert it to a clean PDF and send it to a recipient via Telegram in one flow. ## Quick Start Convert the brain page at slug media/books/this-book-personalized into a PDF and send it to me.

Frequently Asked Questions about brain-pdf

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert a markdown brain page to PDF?▼

Confirm the page exists with gbrain get, strip the YAML frontmatter with sed, then run the gstack make-pdf binary on the cleaned markdown. The output PDF is written to /tmp and delivered via your preferred channel.

How to add a draft watermark to a generated PDF?▼

Pass the --watermark DRAFT flag to the make-pdf generate command. Cover pages and tables of contents remain off by default and are only added with --cover and --toc when explicitly requested.

Does brain-pdf work without gstack installed?▼

No. The skill depends on the gstack make-pdf binary at $HOME/.claude/skills/gstack/make-pdf/dist/pdf and exits with an error if it is missing. A bundled fallback renderer is only planned for a future version.

Why do emoji show as boxes in the rendered PDF?▼

Emoji render as empty boxes when the rendering fonts lack glyph mappings. Install fonts-liberation and fonts-noto-cjk, and follow the skill's emoji sanitization step before rendering.

Why does the PDF's first page show raw YAML metadata?▼

This happens when frontmatter stripping is skipped. The renderer dumps the YAML block as plain text, so the skill always removes the opening and closing --- delimiters with sed before invoking make-pdf.

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