Data Agents Rely More on Catalog Governance Than Coding Agents on Codebases
Famous_Disk_7417 · reddit · 2026-08-09
The author recently compared the performance and failure modes of general coding agents with data/ML agents (like Genie Code).
- General coding agents: Tend to fail on long tasks due to scope creep or losing the thread.
- Data agents: Perform well once given context (lineage, existing pipeline logic, catalog metadata), but make confident, wrong assumptions about schemas when starting from a blank slate.
The author concludes that in data agent scenarios, the governance and catalog layer is doing much more of the heavy lifting for grounding than people credit it for. They also ask developers using stacks like dbt and Snowflake if agent reliability tracks closely with catalog quality.
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