Content Creation · Content Creators

AI Agent for AI News Videos with HeyGen avatars and Auto-Post

Fully automated end-to-end workflow that sources trending news, generates scripts, renders avatar videos, and posts across social channels.

How it works
1 Step
Fetch trends
2 Step
Generate script and video
3 Step
Publish and monitor
Poll Hacker News for top trending stories and filter by relevance to your audience.

Overview

End-to-end automation from trend detection to cross-platform posting.

This AI agent continuously fetches trending Hacker News articles, generates concise scripts with OpenAI, creates AI avatar videos via HeyGen, drafts platform-specific captions, and publishes content to social networks using Blotato. It runs on a self-hosted n8n workflow, logs results for analytics, and scales to multiple platforms as needed.


Capabilities

What AI News Video Agent does

Executes a tight, end-to-end content loop from idea to publish.

01

Fetches trending Hacker News articles and ranks relevance.

02

Generates a short, engaging script with OpenAI.

03

Creates an AI avatar video using HeyGen.

04

Generates captions tailored for each social platform.

05

Posts video and captions to Blotato-enabled platforms.

06

Logs results and issues for monitoring and optimization.

Why you should use AI News Video Agent

Before this AI agent, teams manually source trending articles, draft scripts, produce avatar videos, and post across social channels, often with delays and inconsistencies. After, the end-to-end automation delivers timely, branded content at scale with reliable publishing.

Before
Manual trend sourcing from Hacker News and other sources.
Time-consuming script drafting and approvals.
Inconsistent video branding and avatar quality.
Delays due to multi-step handoffs and approvals.
Difficulty tracking performance and optimizing posts.
After
Automated discovery and ranking of trending articles.
Instant script generation tailored to the topic.
Branded avatar videos produced consistently.
Immediate cross-platform posting on a schedule.
Centralized logging and metrics for optimization.
Process

How it works

A simple 3-step system that non-technicals can follow.

Step 01

Fetch trends

Poll Hacker News for top trending stories and filter by relevance to your audience.

Step 02

Generate script and video

Use OpenAI to write a concise script and create an AI avatar video via HeyGen.

Step 03

Publish and monitor

Generate platform-specific captions, post via Blotato, and log performance for review.


Example

Example workflow

A realistic scenario to illustrate the process.

Scenario: A creator runs the AI News Video Agent at 8 AM to cover a Hacker News trending article. The system fetches the article, OpenAI drafts a 20-second script, HeyGen renders a branded avatar video in 12 seconds, captions are generated for Twitter and LinkedIn, and Blotato posts the video to two platforms within 4 minutes. The result is a live post with basic engagement data, and logs show success or any errors for debugging.

Content Creation n8nHeyGenOpenAIBlotato AI Agent flow

Audience

Who can benefit

One supporting sentence.

✍️ Content creators

Need to scale rapid, consistent short-form videos.

💼 Small marketing teams

Automate routine video content across platforms.

🧠 Freelancers

Offer an end-to-end AI video workflow to clients.

Social media managers

Maintain a steady posting cadence with branding consistency.

🎯 Newsrooms

Experiment with AI video to recap stories at scale.

📋 Digital agencies

Provide automated video distribution as a service.

Integrations

One supporting sentence with short explanation.

n8n

Orchestrates workflow steps, manages API calls, and handles errors.

HeyGen

Renders the AI avatar video using the chosen avatar and voice.

OpenAI

Generates scripts and platform captions.

Blotato

Distributes posts across connected social channels.

Hacker News

Source trending articles for input to scripts.

Applications

Best use cases

One supporting sentence with short explanation.

Daily trend-based news recaps across social channels.
Creator-led scaling of short-form video production.
Agency services offering automated video workflows.
Brand-consistent avatar voices across posts.
Cross-platform content distribution with centralized publishing.
Analytics-driven optimization of posting content.

FAQ

FAQ

One supporting sentence with short explanation.

The workflow supports platforms accessible via Blotato within the configured setup. You can enable or disable platforms as needed, and the agent will publish content to the enabled channels. If a platform is unavailable, the agent will log the failure and proceed with the remaining platforms. You can re-run or adjust the schedule to ensure timely distribution. Regular monitoring helps ensure all intended platforms stay in sync.

A typical cycle runs within a few minutes, depending on network latency and platform queue times. The script generation and video rendering are optimized for short-form content, often completing in under a minute. Publishing steps then execute in parallel across enabled platforms when possible. You can tune wait times between steps to speed up a test run or scale for production use. Real-world times will vary with article length and avatar rendering time.

Yes. You can select and configure avatar IDs and voice IDs in the HeyGen setup. This allows matching branding, tone, and regional preferences. If you have access to custom avatars or voices, those options can be integrated into the workflow. The configuration is stored in the agent’s setup nodes and can be updated anytime.

The workflow is designed for production use on self-hosted n8n instances with stable API keys. It includes logging, error handling, and retry logic to maintain reliability. For production, ensure API quotas, rate limits, and platform terms align with your use case. Regular reviews of performance metrics help keep quality consistent.

The system relies on the source content for script generation and captions. It does not automatically fact-check external articles. It is recommended to implement a review process for high-stakes topics and to configure the workflow to flag uncertain topics for human review. You can also add filters to reduce exposure to questionable sources.

The agent logs publishing status, platform metrics, and error events to a central dashboard. You can review engagement data and iteration results to improve topic selection, script style, and posting times. Over time, you can refine prompts and avatar settings to better match audience preferences. Regular monitoring ensures quality and consistency.

Yes. You can configure platform availability per run. The agent respects the enabled platforms and skips any that are disabled. This makes testing easier and ensures you only publish to platforms you want active at any given time. Changes can be updated in the setup configuration and take effect on subsequent runs.


AI Agent for AI News Videos with HeyGen avatars and Auto-Post

Fully automated end-to-end workflow that sources trending news, generates scripts, renders avatar videos, and posts across social channels.

Use this template → Read the docs