San
An open, 12MB runtime for fast AI agents
San launched on June 19, 2026 with 4 votes, #3,322 of 22,647 launches that month and more than 75% of that year's launches.
What it does
San is an open-source ~12MB terminal runtime for AI agents. Plug in any model, any search backend, and switchable personas; it learns from your work into durable memory and skills. Fast and lean — ~0.01s cold start — and built to be an open, reusable harness you can shape.
San is an open-source terminal agent runtime: one 12 MB Go binary, ~2.3k tokens of harness, no Node.js or Python. Prompt, tools, providers and extensions all stay yours to change.
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