One conversation can now run a brand’s growth program across every major ad channel, grounded in its own customer data

Omneky, the premier agentic harness for advertising and go-to-market, announced that its plugin is live on the ChatGPT plugin marketplace. ChatGPT users can connect their Omneky account and put its AI Growth Agent to work in chat.

A harness turns a general-purpose model into a working growth team. Omneky builds one for each brand from its products, audiences, and performance history, then gives the agent the tools to act. It launches and reports on campaigns across Meta, Google Ads (Search, Demand Gen, and Performance Max), YouTube, LinkedIn, TikTok, Reddit, Pinterest, X, and ChatGPT. It queries live GTM data, pulling brand files from Google Drive, product analytics from PostHog, SEO and search-intent data from Ahrefs and Semrush, and contacts, companies, and deals from HubSpot. For each task, it routes to the best available model, including Seedance, GPT, Claude, Gemini, Grok and Wan.

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A marketer can ask for a campaign for a new running shoe on Meta, TikTok, and ChatGPT at $500 a day, approve the creatives, and later ask which ads drove the most purchases. The same harness also runs in Slack, Claude, and Grok.

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“Models improve every week. What turns them into growth is the harness around them: your brand context, your channels, your customer data, and the judgment about which model to use for which job,” said Hikari Senju, founder and CEO of Omneky. “We’ve trained that judgment on over $1 billion in closed-loop ad spend, and customers typically see a 2x lift in ROAS. Now it’s one message away in ChatGPT.”