NexusFlow OS
B

Butter

Winter 2025
butter.devB2BCA, USA
Market index

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 19, 2026, 8:21 PM

What they do

Butter - Local Agent Sandboxes Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.

Quick read

  • •Butter - Local Agent Sandboxes Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.
  • •Sector narrative limited in indexed snippets; verify on primary sources (Homepage).
  • •Indexed activity snapshot: 0 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 0 product/news‑style — scoring reflects corpus coverage only.

Stage

Unknown

Evidence summary

Verified facts

  • •Butter - Local Agent Sandboxes Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.
  • •Sector narrative limited in indexed snippets; verify on primary sources (Homepage).
  • •Indexed activity snapshot: 0 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 0 product/news‑style — scoring reflects corpus coverage only.
Nexus growth score
16.0Early / quiet
7D+0%
30D+0%
Low Confidence

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 05:04 AM
  • public_page:_pressnot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_careersnot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_blognot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_aboutnot_found
    Last checked Mon, May 11, 05:04 AM

    HTTP 404

  • public_page:_ok
    Last checked Mon, May 11, 05:04 AM
  • public_page:homeok
    Last checked Mon, May 11, 05:04 AM

Nexus score momentum

167D +030D +0
100500
2026-05-11: 16

More runs will build history.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Score snapshots

Public source summary

Total evidence rows
1
Latest evidence
Mon, May 11, 05:04 AM

Source types found

official_site

Public signal timeline

Newest first · 1 event(s)

1
Mon, May 11, 05:04 AM · official_site · 70% · publichigh quality

Butter - Local Agent Sandboxes

Source: Homepage

Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.

Source ↗

Official / company site

1 row(s)

official_site·Mon, May 11, 05:04 AM·Confidence 70%high qualitypublic

Butter - Local Agent Sandboxes

Source name: Homepage

Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.

https://www.butter.dev/

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