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Evidence-bound summary — expand sections for movement, risks, and signals.
Memo snapshot · May 20, 2026, 6:25 PM
What would change this read
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TL;DR
Seed (YC)Butter - Local Agent Sandboxes
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Funding
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Product / news
1 product/news‑styled row(s); headline risk without filings (High).
Verified facts
Butter raises $7M to end ‘accidental’ customer churn due to payment failure https://techcrunch.com/2021/12/01/butter-raises-7m-to-end-accidental-churn-due-to-payment-failure/
Butter Coffee Company Bulletproof Raises $9M from Starbucks Investor http://fortune.com/2015/07/23/bulletproof-coffee-funding/
Winter 2025 batch; lightweight local agent sandboxes (bVisor).
No open roles indexed yet.
The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.
discovery:google:google_cse_quota_exhausted
Source types found
Strongest / recent news-style rows
techcrunch · Mon, Jun 29, 06:03 AM · confidence 98%high quality
hn_algolia · Mon, Jun 29, 06:03 AM · confidence 98%high quality
Wed, May 20, 06:25 PM · confidence 88%high quality
Newest first · 13 event(s)
Source: Homepage
Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.
Source: techcrunch
Butter raises $7M to end ‘accidental’ customer churn due to payment failure https://techcrunch.com/2021/12/01/butter-raises-7m-to-end-accidental-churn-due-to-payment-failure/
Source: hn_algolia
Butter Coffee Company Bulletproof Raises $9M from Starbucks Investor http://fortune.com/2015/07/23/bulletproof-coffee-funding/
Source: official_site
Butter - Local Agent Sandboxes Local Agent Sandboxes 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 overhead of VMs or remote infra.
Winter 2025 batch; lightweight local agent sandboxes (bVisor).
Source: npm_registry
A sanitization tool for Butter
Source: npm_registry
A base class for Butter providers
Source: npm_registry
Vue components for the "Butter" theme.
Source: npm_registry
Settings for butter for the Popcorn Time Project
Source: npm_registry
Typesafe specialized enums for TypeScript - Smooth like butter
Acquisition announced April 10, 2026; founders join Modal Sandbox team.
2 row(s)
The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.
Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Butter - Local Agent Sandboxes Local Agent Sandboxes 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 overhead of VMs or remote infra.
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗3 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗Acquisition announced April 10, 2026; founders join Modal Sandbox team.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗3 row(s)
Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.
Butter raises $7M to end ‘accidental’ customer churn due to payment failure https://techcrunch.com/2021/12/01/butter-raises-7m-to-end-accidental-churn-due-to-payment-failure/
Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.
Open source ↗Butter Coffee Company Bulletproof Raises $9M from Starbucks Investor http://fortune.com/2015/07/23/bulletproof-coffee-funding/
Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.
Open source ↗Winter 2025 batch; lightweight local agent sandboxes (bVisor).
Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.
Open source ↗5 row(s)
Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.
A sanitization tool for Butter
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗A base class for Butter providers
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Vue components for the "Butter" theme.
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Settings for butter for the Popcorn Time Project
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Typesafe specialized enums for TypeScript - Smooth like butter
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Sign in as an active team member to view private notes, watchlist controls, transcript evidence, and interaction history.