How to build an AI agent that actually works: The 3-layer playbook
Most AI agents fail on scaffolding, not the model. Learn the 3-layer playbook, context, harness, and loop, to build an agent...








| Launchcodex | Typical media agency | |
|---|---|---|
| Success metric |
ROAS, CAC, MER, pipeline
|
CTR and impressions
|
| Planning |
Test plan and budget map by goal
|
Set-and-forget campaigns
|
| Creative |
Integrated concepts and matrices
|
Asset requests via ticket
|
| CRO alignment |
Built-in landing guidance
|
Not my job
|
| Attribution |
GA4 plus server-side, clean reads
|
Pixel-only and noisy data
|
| Optimization |
Daily learning loops with clear levers
|
Monthly tweaks
|
| Reporting |
Dashboards tied to outcomes
|
Static slide decks
|
| AI and automation |
Pacing, clustering, and alerts
|
Manual checks
|







Most AI agents fail on scaffolding, not the model. Learn the 3-layer playbook, context, harness, and loop, to build an agent...
OpenAI custom audiences let you target, exclude, or bid on your own lists in ChatGPT Ads. See the 25,000 matched-user minimu...
Most agencies have strong client results that never get published. Learn how to turn those results into structured before-an...

