Show HN: Polynya – Turn your Postgres into workspaces for AI

Category: infrastructure

Tags: postgres, iceberg, clickhouse, ai-agents, data-streaming, mcp

Score: 7.0/10 (Innovation: 7, Technical: 7, Documentation: 6, Utility: 7)

Polynya streams PostgreSQL data to Apache Iceberg in near real-time, then spins up ephemeral ClickHouse instances for AI agents to query via an MCP server, creating persistent analytical workspaces. It combines CDC, serverless analytics, and agent interfaces into a novel product that protects production databases while enabling AI-driven data exploration.

Target audience: backend devs, data engineers, AI engineers

Repository: https://polynya.dev/

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