AI Agent-Driven Content Automation: n8n MCP Building Guide from Scratch

Tutorial Objectives

In 30 minutes, use n8n and AI Agent to build a complete content automation pipeline: from RSS subscription collection → AI rewriting → multi-platform publishing. This article is aimed at users with no basic knowledge and provides step-by-step instructions without writing code.

What will you build?

• Automatic collector: grab new articles from specified RSS sources regularly every day
• AI Rewriting Engine: Use OpenAI/Claude to rewrite the original text into content adapted to the target platform
• Automatic Publisher: Automatically push the rewritten content to blogs and social media

Preparation list

• n8n (Register n8n.cloud or self-deploy, the free version is enough to get started)
• OpenAI API Key or Claude API Key (for AI rewriting)
• Target platform API access (e.g. WordPress REST API, Twitter API)

Overall architecture

The content automation pipeline is disassembled into 3 core modules, which are executed in series in sequence.

Step 1: Build RSS collector

First, create a new workflow (Workflow) in n8n. Add an RSS Feed Read node as a trigger:

1. Click on the node panel on the left and search for "RSS"
2. Drag in the RSS Feed Read node
3. Enter the RSS address you wish to track in the URL field, such as the RSS for a technology blog
4. Set the polling interval (it is recommended to check every 4 hours)

Tip: n8n supports multiple triggers. RSS collection is suitable for scheduled polling; if you want to respond in real time, you can use Webhook nodes instead.

After the configuration is completed, click "Execute Node" to test whether the article list can be obtained. You'll see structured JSON output with title, link, summary, and publication time.

[
  {
 "title": "",
    "link": "https://example.com/article",
 "content": "...",
    "pubDate": "2026-05-06T00:00:00Z"
  }
]

2 AI

。 OpenAI （ Anthropic Claude ，）。

Prompt

RSS OpenAI 。 Messages System User

System Message（）

。
1.
2.
3. ， 3
4.
5. 500-800

User Message（）

「{{ $json["content"] }}」
{{ $json["title"] }}
{{ $json["link"] }}

OpenAI Claude ， API 。

3

，。n8n

WordPress

WordPress ，

• REST API （https:///wp-json/wp/v2）
• Enter your WordPress application password
• Map the rewritten content to title and content fields -Set article status to publish or draft

Social media sync

If you need to synchronize to Twitter or LinkedIn, add the corresponding HTTP Request node:

• Twitter API v2: POST /2/tweets Send tweet summary + original text link
• n8n's built-in Twitter node has encapsulated the OAuth process

Error handling

It is recommended to add an IF node after each publishing node for error checking:

• If published successfully → log to database or Google Sheets
• If publishing fails → Send Telegram/email notification to avoid content loss

Step 4: Concatenation and automated execution

Connect the three modules in the order of RSS → OpenAI → WordPress to form a complete pipeline.

Final workflow structure

## RSS Feed Read] → [OpenAI ()] → [IF ()
                                         │
                    ┌────────────────────┘
                    ▼

## WordPress] → [Telegram ()

， RSS ， 1. 2. AI 3. WordPress 4. Telegram

****n8n Error Workflow ，。

（FAQ）

Q1RSS ？

RSS URL 。 User-Agent ， n8n HTTP Request 。

Q2AI ？

System Message ，。 n8n "Execute Workflow" ，。

Q3 WordPress 403？

WordPress → → 。API Basic Auth 。

SEO+GEOFAQ AI ，

， tools n8n、OpenAI、ChatGPT、Claude、Claude Code、Hermes Agent

Reference video/material

• n8n
• OpenAI API

Internal link guidance

• Someone has successfully practiced it: I use ChatGPT advertising platform + n8n to automate content distribution and earn a real review of $5,200 per month
• Real case: Indie Developer: n8n + OpenClaw Automation Workflow Earning $5,000/mo