PlanetScale vs Supabase
PlanetScale versus Supabase, compared with Twin Scores rather than a single winner banner.
Twin Scores side by side
PlanetScale
Human78
Agent90
PlanetScale brought Vitess-grade MySQL branching and non-blocking schema changes to startups. The deploy-request workflow is the human metaphor. The CLI and API are excellent, which keeps the agent score high even as the company has shifted packaging over time. We describe.
Supabase
Human86
Agent93
Supabase is the open-source Firebase alternative: Postgres, Auth, Storage, Realtime, and Edge Functions with a studio GUI. Humans click tables. Agents use the REST and JS clients, RLS, and the CLI to migrate. This directory itself targets a Supabase project. We score the.
Capability snapshot
| Surface | PlanetScale | Supabase |
|---|---|---|
| API | excellent | excellent |
| MCP | none | basic |
| CLI | excellent | excellent |
Unique intro lives on this URL only. See also alternatives to PlanetScale.