Launch HN: Ardent (YC P26) – Postgres sandboxes built in seconds without migrations

·2026.05.14 01:54

Key point

Ardent launched to create Postgres replicas in seconds so AI coding agents can safely test against production data.

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Details

Ardent is an infrastructure solution that helps AI coding agents validate code using real production data.

Unlike existing approaches, it can create a replica (Sandbox) of a Postgres database at very high speed, in under 6 seconds. It scales without slowdown even for terabyte (TB) scale data, and offers high storage efficiency by charging only for changed data.

Key use cases:

Data cleaning: agents perform deduplication and standardization based on real data
Migration testing: pre-validate database changes
Backfills and change validation: provide a safe testing environment without production risk

coding-agent infrastructure ai-agents postgres database-cloning ai-developer-workflow

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