How to Build AI Marketing Agents for Startups

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August 5, 2026
by
Greg Isenberg
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How to Build AI Marketing Agents for Startups

TL;DR

AI marketing agents can automate customer acquisition by monitoring LinkedIn for engagement signals and converting those into cold outreach campaigns. Tools like Apify, GitLeads, and Ordinal enable seamless data extraction, contact enrichment, and content scheduling. By leveraging these systems, startups can focus on product development while maintaining a steady flow of leads.

Transcript

It's true. Marketing agents are the new coding agents. Just like coding agents were such a big deal and people are able to create software on demand, deploying marketing agents are so important because you're able to get customers on autopilot. So, how do you actually set them up? What do they look like? Well, this has got to be my most requested e... Read More

Key Insights

  • LinkedIn engagement serves as a superior targeting signal compared to traditional firmographics.
  • A small number of creator accounts can cover a significant portion of an industry's audience.
  • Waterfall enrichment begins with the least expensive tools like GitLeads and progresses to pricier options.
  • Cold email infrastructure costs around $200 monthly for sending software and inboxes.
  • An AI agent is essentially code on a schedule, with LLMs providing necessary judgment.
  • Organic content is most effective when derived from genuine human interactions and transcripts.
  • Apify provides a versatile API for scraping data from platforms like LinkedIn and Twitter.
  • Ordinal allows for multi-account LinkedIn scheduling and analytics feedback to optimize content.

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Questions & Answers

Q: How do AI marketing agents help startups?

AI marketing agents automate customer acquisition by identifying engagement signals on platforms like LinkedIn, which indicate potential customer interest. These agents can then initiate cold email and LinkedIn DM campaigns, allowing startups to focus on product development while maintaining a consistent lead flow.

Q: What is waterfall enrichment in marketing?

Waterfall enrichment is a process where contact information is progressively enhanced using multiple data sources. Starting with the least expensive tools like GitLeads, it moves to more costly options like Apollo or Origami to ensure comprehensive data acquisition, ultimately leading to better-targeted marketing efforts.

Q: How can LinkedIn engagement be used for marketing?

LinkedIn engagement, such as likes and comments, can be used as intent signals indicating that a person is interested in specific topics. By targeting these individuals, marketers can create more effective outreach campaigns, as these engagements suggest a higher likelihood of interest in the offered product or service.

Q: What tools are essential for building AI marketing agents?

Essential tools for building AI marketing agents include Apify for data scraping, GitLeads for contact enrichment, and Ordinal for content scheduling. These tools facilitate the automation of lead generation and content distribution, allowing startups to efficiently manage marketing activities with minimal manual intervention.

Q: How does Ordinal optimize organic content distribution?

Ordinal optimizes organic content distribution by allowing users to schedule posts across multiple LinkedIn accounts and providing analytics on post performance. This feedback loop enables marketers to refine their content strategy, focusing on topics and formats that generate the most engagement.

Q: Why is it important to separate cold email domains?

Separating cold email domains from the main business domain is crucial to protect the company's primary email deliverability. Using burner domains for cold outreach prevents potential negative impacts on the company's core communication channels, ensuring that marketing activities do not interfere with essential business operations.

Q: What role does an LLM play in AI marketing agents?

A Large Language Model (LLM) in AI marketing agents provides the necessary judgment and decision-making capabilities. It helps in generating personalized content, analyzing engagement data, and making informed decisions about lead qualification and follow-up strategies, enhancing the overall efficiency of marketing campaigns.

Q: How can startups benefit from earned media through social platforms?

Startups can leverage earned media by creating content that resonates with their target audience, leading to organic shares and engagement. This approach not only reduces marketing costs but also enhances brand visibility and credibility, as content shared by users is often perceived as more trustworthy than paid advertisements.

Summary & Key Takeaways

  • Signal-Based Outbound: Cody discusses the decline in cold email reply rates due to AI-generated volume and suggests targeting intent signals like LinkedIn engagement instead of static firmographics.

  • Sourcing the Right Creators: He explains how to select creators and company pages that match your customer base, emphasizing that a few outliers in any niche capture most of the relevant audience.

  • Scraping Engagers with Apify and Claude Code: Cody uses Apify's API for LinkedIn scraping, demonstrating how to extract engager profiles from posts using Claude Code.


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