Details
Overview
Components: Sidebar Skill is an open-source Agent Skill from the kostja94/marketing-skills collection (MIT). It teaches AI coding agents focused marketing / SEO workflows so they can produce production-ready guidance instead of generic advice.
Guides sidebar design for content sites (blogs, docs). ~80% of users focus on the left; sidebars influence flow but can hurt conversion if overused. Posts without sidebars show 3.1x higher conversion; bottom-right sticky CTAs outperform sidebars (5.62% vs 0.58% CTR).
Identify: 1. Content type: Blog, docs, e-commerce 2. Primary goal: Navigation, CTA, related content 3. Mobile: Collapse to hamburger or hide on small screens
Official skill id: sidebar-generator. Source path: skills/components/navigation/sidebar.
Key Features
- L: eft sidebar: Prime for nav; 80% of users focus left
- R: ight sidebar: Secondary content, ads, related posts
- S: tatic vs sticky: Static for content-focused; sticky for persistent CTA (subscription, cart)
- O: ne high-value CTA max; avoid clutter
- S: ocial proof: Testimonials, logos
- P: opular/related posts: Discovery, internal linking
How to Use
- Use a Skill-compatible agent such as Claude Code, Cursor, or Codex.
- Install from the terminal (Node.js required):
npx skills add https://github.com/kostja94/marketing-skills --skill sidebar
Or paste the install prompt from this tool page into your agent and ask it to install for you. 3. Restart / reload the agent so the new Skill is loaded. 4. Invoke the Skill with its slash commands or by asking the agent to run the workflow described in Overview / Key Features. 5. Review outputs before publishing — treat model-generated copy, images, and data as drafts.
Pricing
| Plan | Billing | Price | Notes |
|---|---|---|---|
| Open source | — | Free | MIT license; install via npx skills add |
| Full pack | — | Free | Optional: install the entire marketing-skills repo |
No paid tiers. Check the GitHub repository for license and updates.
Best For
Marketers, indie hackers, ecommerce / SaaS founders, and SEO operators who want agents to execute a specific marketing task with structured best practices.
Trigger context from the skill author: When the user wants to design, optimize, or audit a sidebar for blogs, docs, or content pages. Also use when the user mentions "sidebar," "blog sidebar," "content sidebar," "side panel," "sidebar navigation," "related content," "sidebar CTA," "doc sidebar," or "sidebar widgets." For blog layout, use…
FAQ
How do I install this skill?
npx skills add https://github.com/kostja94/marketing-skills --skill sidebar-generator
Or copy the skill folder into .cursor/skills/, .agents/skills/, or .claude/skills/.
Does this skill run code on my machine?
No. Skills in this collection are pure Markdown instructions for agents — no executable payloads.
Can I install only this skill instead of the full pack?
Yes. Prefer --skill sidebar-generator for a single task. Install 2–3 related skills per job rather than the entire library.
Where should I add project context?
Copy templates/project-context.md from the repo into .cursor/ or .claude/ and fill in product, audience, and brand details so outputs stay tailored.