Solo-built PolyDB unifies agent data layer: 16 data models, 69 MCP tools, one API key
bishopLucas · reddit · 2026-09-13
A developer with cloud-infrastructure background launched PolyDB (beta.polydb.dev), a unified database for autonomous agents that replaces five-plus separate data stores with 16 data models, 69 MCP tools, and a single API key. Built over a year for the 80/20 use case, it's MCP-driven (SDK on the roadmap), not yet enterprise-grade (no cross-model transactions). No VC backing means no free tier, but a small non-recurring plan is offered. The author is soliciting feedback on where it breaks.
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