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San
A lean, fast, open terminal agent runtime.
Day 43 since launch · Launched 25 August 2026
Made by Shushant LakhyaniKnow about Shushant Lakhyani hereGet all my visual guides hereSee what I can build for youAI+Tech+No-Code+Online Business Mini GuidesJoin the newsletter
Made by Shushant LakhyaniKnow about Shushant Lakhyani hereGet all my visual guides hereSee what I can build for youAI+Tech+No-Code+Online Business Mini GuidesJoin the newsletterBuilt with love by Shushant Lakhyani. Building bestproductivityresources.com
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What is San?
San is an open-source terminal agent runtime built as one native Go binary with zero runtime dependencies. It keeps harness overhead to about 2.3k tokens, starts in roughly 0.01s, and lets you plug in models, skills, subagents and MCP servers while replaying any run in its inspector.
Pros
- Tiny context footprint leaves room for real work
- Single 12 MB binary, no Node or Python needed
- Fully open: prompts, tools and providers are yours to change
Cons
- Terminal-first workflow may not suit everyone
- Young project with a smaller ecosystem
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