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How I built a demo generator with GitLab Duo Agent Platform

Blog post from GitLab

Post Details
Company
Date Published
Author
Itzik Gan Baruch
Word Count
1,888
Company Posts That Month
19
Language
English
Hacker News Points
-
Post removed?
No
Summary

GitLab Duo Agent Platform can automate the creation and publishing of click-through product demos, reducing a process that traditionally requires days of manual research, environment setup, screenshot capture, narration, editing, review, and distribution. The described Click-Through Demo Generator accepts screenshots and optional feature context, then uses a GitLab-triggered agentic workflow to organize images, write outcome-focused narration, assemble an HTML demo, open a merge request for human review, and publish approved work through GitLab Pages. By storing demos as versioned project files rather than in external vendor tools, the approach supports collaboration, iterative updates, automated localization, and controlled publication to a Demo Hub. The author emphasizes that agents can handle structured, repetitive portions of workflows while humans retain responsibility for deciding what to create and approving final results, and offers a beginner exercise in creating a “Daily Planner” custom agent that prioritizes assigned GitLab issues and merge requests.

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