Ex-Firebase dev of 12 years launches Pyric: a local sandbox Firebase built for coding agents
cyrus_zei · x · 2026-09-02
David East, who spent 12 years on the Firebase team, released Pyric, a local-first Firebase development framework designed for the agent era.
- The pain point: Firebase development has always depended on stateful, network-bound, metered cloud projects. Coding agents hitting a Firestore PERMISSIONDENIED error get no rich debug context, leaving them flying blind.
- Pyric runs your whole Firebase project in a laptop sandbox with the same API surface and behavior, plus specialized tools so agents can inspect state, generate Security Rules, batch-write seed data, and emit firestore.indexes..
- A demo shows /pyric create a realtime kanban app scaffolding a Vite app on the sandbox, enforcing rules, and serving at localhost.
- No project, config, or account needed — point it at your agent and let it cook.
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