Jcode
YC S26San Francisco, US · Founded 2026 · 1 employees · 1 known investors
Jcode is an open-source terminal coding agent written in Rust, designed for low memory use and fast startup so developers can run many concurrent agent sessions. It includes features such as self-modifying source code, background task tools, semantic memory, and its own uncontaminatable coding benchmarks.
Also known as Solo Labs
AI & Machine LearningConsumerDeveloper ToolsSaaSArtificial IntelligenceUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
Jcode was founded in 2026 by Jeremy Huang.
Investors · 1
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Frequently asked questions
- What does Jcode do?
- Jcode is an open-source terminal coding agent written in Rust, designed for low memory use and fast startup so developers can run many concurrent agent sessions. It includes features such as self-modifying source code, background task tools, semantic memory, and its own uncontaminatable coding benchmarks.
- Who founded Jcode?
- Jcode was founded by Jeremy Huang in 2026.
- Who are Jcode's investors?
- Jcode's investors include Y Combinator.
- Where is Jcode headquartered?
- Jcode is headquartered in San Francisco, US.

