Source
The Startup Ideas Podcast — AI Agents are too good at marketing now (November 9, 2026) ·
at 9:35 ▸
When this applies
when any AI system needs to reason over data spread across multiple live systems
The takeaway
Pipe raw sources through a dedicated pipeline into a unified warehouse before letting an agent query it, so the agent reasons over clean, consolidated data rather than raw live sources.
Why it works
Querying live APIs directly dumps massive, inconsistent data into context, causing hallucination or forcing the agent to build its own ad-hoc local database, which creates duplication errors.
One level up
Separate data collection/storage infrastructure from the reasoning layer so the reasoning layer never has to improvise data engineering.
Where it stops holding
This stops working when data volume/complexity is low enough that direct querying doesn't overload context or trigger rate limits.
Detail
rule: Build a data pipeline (e.g., Airbyte) into a central warehouse (e.g., ClickHouse) and let agents query only the warehouse.
threshold: Once you have more than one data source feeding an agent's decisions, treat this as mandatory, not optional.
rationale: If you're just querying against the APIs of your ad channels, you're going to run into a massive amount of data going into context and the agent is very likely to hallucinate.
In their words
If you're just querying against the APIs of your ad channels or any of the other solutions that you're doing, you're going to run into the same problems where it's like a massive amount of data that are all going into context. And the agent is very likely to hallucinate on this.