astro-cta-injector

Business

Inject Call-to-Action blocks into Astro site content with intelligent placement strategies. Use when the user wants to add CTAs, newsletter signups, product promotions, or any content blocks to blog posts. Supports multiple placement strategies (end, after 50%, after 60%), content scoring for relevance, and dry-run preview.

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Astro CTA Injector Skill

Purpose

This skill injects Call-to-Action (CTA) blocks into Astro site content. It supports:

Multiple CTA types (newsletter, product, custom)
Intelligent placement strategies
Content-based relevance scoring
Batch processing with preview

When to Use This Skill

User asks to "add CTAs to blog posts"
User wants to "inject newsletter signup" into content
User mentions "add product promotion" to posts
User needs to batch-add any type of content block to posts
User wants to "add calls to action" to their Astro site

Prerequisites

Astro site with content in .astro or .md files
Python 3.10+
BeautifulSoup4 for HTML parsing

Configuration

Create a config.json in the skill directory:

{
  "content_path": "./src/content/blog",
  "file_patterns": ["*.astro", "*.md"],
  "cta_types": {
    "newsletter": {
      "template": "newsletter.html",
      "default_placement": "after-paragraph-50%",
      "keywords": ["tip", "guide", "learn", "strategy"]
    },
    "product": {
      "template": "product.html",
      "default_placement": "end",
      "keywords": ["productivity", "task", "habit", "goal"]
    }
  },
  "output": {
    "state_file": "./state/cta_injection_progress.json",
    "backup_dir": "./backups",
    "report_file": "./reports/cta_injection_report.md"
  },
  "dry_run": true
}

Placement Strategies

Strategy	Description	Best For
`end`	After all content	Non-intrusive CTAs
`after-paragraph-50%`	After 50% of paragraphs	Mid-content engagement
`after-paragraph-60%`	After 60% of paragraphs	Later engagement
`after-heading`	After first H2	Early engagement
`before-conclusion`	Before last paragraph	Strong finish

CTA Templates

Templates are HTML files in the templates/ directory:

<!-- templates/newsletter.html -->
<aside class="cta-newsletter" data-cta-type="newsletter">
  <h3>{{title}}</h3>
  <p>{{description}}</p>
  <form action="{{form_url}}" method="post">
    <input type="email" placeholder="Your email" required />
    <button type="submit">Subscribe</button>
  </form>
</aside>

Variables:

{{title}} - CTA headline
{{description}} - CTA body text
{{form_url}} - Form submission URL
{{product_url}} - Product link
{{image_url}} - Image source

Workflow

Step 1: Score Posts for Relevance

python scripts/score_posts.py --content-path ./src/content/blog --cta-type newsletter

Step 2: Preview Injections

python scripts/preview_injection.py --input scored_posts.json --cta-type newsletter

Step 3: Apply Injections

python scripts/inject_ctas.py --input scored_posts.json --cta-type newsletter

Input Format

Scored posts JSON:

{
  "posts": [
    {
      "file_path": "./src/content/blog/my-post.astro",
      "title": "My Blog Post",
      "relevance_score": 8.5,
      "cta_type": "newsletter",
      "placement": "after-paragraph-50%",
      "cta_data": {
        "title": "Get More Tips Like This",
        "description": "Subscribe to my weekly newsletter"
      }
    }
  ]
}

Scoring Algorithm

Posts are scored for CTA relevance based on:

Keyword density - How many relevant keywords appear
Content length - Longer posts = better candidates
Topic match - Title and content topic alignment
Existing CTAs - Skip posts that already have CTAs

Scores range from 0-10. Default threshold: 5.0

Safety Features

Dry-run mode by default
Backup creation before any modifications
Duplicate detection - Won't inject if CTA already exists
Rollback capability - Restore from backups
Preview diffs - See exactly what will change

Example Usage

User: "Add a newsletter signup CTA to all my productivity-related blog posts"

Claude will:

Scan content directory for posts
Score posts for "newsletter" relevance using productivity keywords
Generate CTA HTML from template
Show preview of changes
Ask for confirmation
Inject CTAs into matching posts
Report results