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This recipe shows you how to build an app where you enter a topic (and optionally an image), and AI creates an outline, writes a full blog article, then generates optimized posts for X, Instagram, and LinkedIn in parallel based on the article content.

Overview

Purpose: Generate blog articles from topics and create social media posts in parallel based on the article content.
NodeRoleModel
App RequestTopic input + image (optional)-
Text NodeArticle structure prompt-
Generator 1 (Outline)Generate article structuregpt-5-nano
Generator 2 (Article)Generate body from outlineclaude-haiku-4.5
Generator 3 (X)Generate short text for X from articlegpt-5-nano
Generator 4 (Instagram)Generate Instagram caption from article (image support)gemini-2.5-flash-lite
Generator 5 (LinkedIn)Generate professional LinkedIn post from articleclaude-haiku-4.5
What you’ll learn: Node chaining (sequential processing), parallel processing, prompt design, multimodal input (optional)

Workflow Diagram

Node Configuration Details

1. App Request

ItemValue
Node NameTopic Input
Node Input Nametopic
File InputOptional (Image: PNG, JPEG, GIF, WebP)
Prompt- (User input only)

2. Text Node

ItemValue
Node NameBlog Writing Guidelines
Text Content(see below)
You are a professional blog writer. Follow these guidelines when creating content:
- Write in a clear, engaging, and informative tone
- Use headings and subheadings for better readability
- Include an introduction, main body, and conclusion
- Target length: 800-1200 words
- Make the content SEO-friendly with natural keyword usage

3. Generator Node (Outline)

ItemValue
Node NameOutline Generator
Modelgpt-5-nano
ThinkingOFF
Web Search-
Prompt:
Create a detailed blog post outline for the following topic:

@Topic Input

Include:
1. A compelling title
2. Introduction hook
3. 3-5 main sections with subpoints
4. Conclusion summary
5. Call-to-action suggestion

Output the outline in a structured format.

4. Generator Node (Article)

ItemValue
Node NameArticle Writer
Modelclaude-haiku-4.5
ThinkingON
Web SearchOFF
Prompt:
Write a complete blog article based on the following outline:

@Outline Generator

Follow these writing guidelines:
@Blog Writing Guidelines

Make sure to:
- Expand each section with detailed, valuable content
- Use smooth transitions between sections
- Include relevant examples where appropriate
- Maintain a consistent voice throughout

5. Generator Node (X)

ItemValue
Node NameX Post Generator
Modelgpt-5-nano
ThinkingOFF
Web Search-
Prompt:
Create a post for X (Twitter) to promote the following blog article:

@Article Writer

Requirements:
- Maximum 280 characters
- Highlight the key insight or hook from the article
- Engaging and concise
- Include 1-3 relevant hashtags
- Use a conversational tone
- Include a call-to-action to read the full article

6. Generator Node (Instagram)

ItemValue
Node NameInstagram Caption Generator
Modelgemini-2.5-flash-lite
Thinking-
Web SearchOFF
Prompt:
Create an Instagram caption to promote the following blog article:

@Article Writer

Additional context (if image provided):
@Topic Input

Requirements:
- If an image is provided, analyze it and incorporate visual elements into the caption
- Summarize the article's key points in an engaging way
- Engaging opening line to hook readers
- Use line breaks for readability
- Include 5-10 relevant hashtags at the end
- Add 2-3 relevant emojis
- Include a call-to-action (e.g., "Link in bio to read the full article")
- Optimal length: 150-300 characters for the main text

7. Generator Node (LinkedIn)

ItemValue
Node NameLinkedIn Post Generator
Modelclaude-haiku-4.5
ThinkingOFF
Web SearchOFF
Prompt:
Create a LinkedIn post to promote the following blog article:

@Article Writer

Requirements:
- Professional and insightful tone
- Start with a hook or thought-provoking question from the article
- Summarize key takeaways from the article
- Use short paragraphs and line breaks for readability
- Include a clear lesson or insight
- End with a question to encourage engagement
- Optimal length: 1,300-2,000 characters
- No hashtags or limit to 3 professional ones
- Include a call-to-action to read the full article