YC active company list audit
Butter
Butter: Embedded Sandboxes for Agents. Headquartered in San Francisco, CA, United States. Current operating status: active.
Oomira checked this YC company record against source evidence and keeps the current facts, observed dates, and provenance visible before the interactive app loads.
17 facts3 sources1 superseded claims
What changed in the audit
external namePig -> Butter
2026-06-12 · yc-oss record id 30335: field "former_names" includes "Pig"
- Summary
- Embedded Sandboxes for Agents
2026-06-12 · 1 source- Description
- Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents. It embeds directly into your local process, providing a safe bash environment without the overh...
2026-06-12 · 1 source- Website
- https://butter.dev
2026-06-12 · 2 sources- Hiring
- no
2026-06-13 · 1 source- Headquarters
- San Francisco, CA, United States
2026-06-13 · 1 source- Operating status
- active
2026-06-12 · 1 source- Industry
- B2B
2026-06-13 · 1 source