# Dedalus Labs, Inc. (B20250200694)

> Dedalus Labs, Inc. is a San Francisco-based, Y Combinator-backed AI infrastructure startup building persistent, isolated Linux virtual machines and developer tools for running production AI agents across models and tools.

Company page on Leadbay: https://mad-max.leadbay.ai/company/dedaluslabs.ai · loaded 2026-10-28

## At a glance

- Website: https://dedaluslabs.ai
- Team based in: San Francisco (ycombinator.com and 3 more)
- Founded: 2025 (ycombinator.com and 2 more)
- Founders: Cathy Di, Catherine Di, Windsor Nguyen
- Industry: Software Development
- Employees: 8 (employees and founders, investors not counted; ycombinator.com; Sources disagree: 10 (ycombinator.com), 15 (dedaluslabs.ai, a company database))
- Total funding: $11.6M (dedaluslabs.ai and 1 more)
- Backed by: Kindred Ventures and Saga Ventures, E14 Fund, Emergence Capital, Sunshine Lake, Transpose Platform, Liquid 2 Ventures, FPV Ventures, Twenty Two Ventures, Telescope Foundation, Spot VC, Operator Partners, Y Combinator
- Seen in its site's code: Google Tag Manager (googletagmanager.com/gtm.js), Google Analytics (googletagmanager.com/gtag/js), Meta Pixel (connect.facebook.net/en_US/fbevents.js), Next.js (/_next/static/), Cloudflare (/cdn-cgi/), Google Workspace (MX alt2.aspmx.l.google.com), Mailgun (TXT mailgun.org), Zoom (TXT ZOOM_verify), Slack (TXT slack-domain-verification) (read 2026-10-30)
- Address: 1395 22ND ST 
 THE LANDING, SUITE 457
SAN FRANCISCO, CA 94107

## What it sells, to whom

- Dedalus Labs, Inc. is a San Francisco-based, Y Combinator-backed AI infrastructure startup building persistent, isolated Linux virtual machines and developer tools for running production AI agents across models and tools. ([dedaluslabs.ai](https://www.dedaluslabs.ai/), [bloomberg.com](https://www.bloomberg.com/profile/company/2607169D:US), [docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/))

## Products and services

- **Dedalus Machines**: full Linux VMs with approximately 50ms boot, persistent filesystems/storage, VM-level isolation, root access, sleep/scale-to-zero, and per-second active-compute billing. ([docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/), [dedaluslabs.ai](https://www.dedaluslabs.ai/), [docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/))
- **Dedalus agent SDK/platform**: developer tooling for composing and deploying agents across models and tools, including a Python package and APIs. ([docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/), [dedaluslabs.ai](https://www.dedaluslabs.ai/), [docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/))
- **MCP gateway/service**: a drop-in API gateway for managing Model Context Protocol tools, referenced in company and third-party profiles. ([dedaluslabs.ai](https://www.dedaluslabs.ai/), [docs.dedaluslabs.ai](https://docs.dedaluslabs.ai/), [dedaluslabs.ai](https://www.dedaluslabs.ai/pricing))

## Customers and markets

- **Markets**: Worldwide developer market, especially teams building AI agents, coding agents, browser agents, MCP applications, scripts, and backend services. ([dedaluslabs.ai](https://www.dedaluslabs.ai/), [ycombinator.com](https://www.ycombinator.com/companies/dedalus-labs), [dedaluslabs.ai](https://www.dedaluslabs.ai/products/api))
- **Markets**: Primary customer/use-case segment is production agent infrastructure: long-lived/stateful agents needing Linux, persistence, isolation, fast startup, and scale-to-zero economics. ([dedaluslabs.ai](https://www.dedaluslabs.ai/), [ycombinator.com](https://www.ycombinator.com/companies/dedalus-labs), [dedaluslabs.ai](https://www.dedaluslabs.ai/products/api))

## Team

- Cathy Di, Founder/CEO · [LinkedIn](https://www.linkedin.com/in/cathydi)
- Catherine Di, Co-Founder & CEO
- Windsor Nguyen, Founder/CTO · [LinkedIn](https://www.linkedin.com/in/windsornguyen)
- David Li, Merchandise Director

Backed by: Kindred Ventures and Saga Ventures, E14 Fund, Emergence Capital, Sunshine Lake, Transpose Platform, Liquid 2 Ventures, FPV Ventures, Twenty Two Ventures, Telescope Foundation, Spot VC, Operator Partners, Y Combinator

## Where to find more

- [Why we are building virtual machines for AI agents](https://www.dedaluslabs.ai/blog/dedalus-machines-journey)
- [Introduction](https://docs.dedaluslabs.ai/dcs)
- [Dedalus Labs](https://docs.dedaluslabs.ai/)
- [This page in Markdown, for agents](https://mad-max.leadbay.ai/company/dedaluslabs.ai.md)

## Decision makers

- [Cathy Di](https://mad-max.leadbay.ai/person/cathy-di--dedaluslabs.ai.md), Founder/CEO · [LinkedIn](https://www.linkedin.com/in/cathydi)
- [Catherine Di](https://mad-max.leadbay.ai/person/catherine-di--dedaluslabs.ai.md), Co-Founder & CEO
- [Windsor Nguyen](https://mad-max.leadbay.ai/person/windsor-nguyen--dedaluslabs.ai.md), Founder/CTO · [LinkedIn](https://www.linkedin.com/in/windsornguyen)
- [David Li](https://mad-max.leadbay.ai/person/david-li--dedaluslabs.ai.md), Merchandise Director

Work emails and direct phones come with a Leadbay account: https://wow.leadbay.ai/?register=true

Where it comes from: 7 sites read (dedaluslabs.ai, docs.dedaluslabs.ai, bloomberg.com, ycombinator.com, kindredventures.com, sagavc.com, news.ycombinator.com).

## Best angle

2026-10-28 · Headcount: Headcount up 50% in a year (1 source)

## Best way in

- LinkedIn message to Cathy Di: Founder/CEO · profile linked from the company's record
- LinkedIn message to Windsor Nguyen: Founder/CTO · profile linked from the company's record

## Signals: what happened

- 2026-10-28 · Headcount: Headcount up 50% in a year (1 source: [A company database](https://dedaluslabs.ai/))
- 2026-10-01 · Traffic: Site visits up 127% in 3 months, 35,079 a month (1 source: [A company database](https://dedaluslabs.ai/))
- 2025-10-15 · Fundraising: Dedalus announced an $11M seed round led by Kindred Ventures and Saga Ventures to develop infrastructure for AI-agent development (4 sources: [dedaluslabs.ai](https://www.dedaluslabs.ai/blog/dedalus-seed-round), [kindredventures.com](https://kindredventures.com/announcement/dedalus-labs-redefining-non-linear-agentic-workflows/), [accessfund.vc](https://accessfund.vc/news/dedalus-labs-seed-announcement))

## Working on now

- Building Dedalus Machines: persistent, full-Linux VMs for AI agents, with fast boot, VM-level isolation, persistent storage, scale-to-zero, and active-compute billing.
- Expanding from infrastructure into an agent platform: a unified OpenAI-compatible API for model routing, tool execution, streaming, and MCP servers.
- Developing MCP infrastructure and security, including Dedalus Auth, described as a multi-tenant auth layer that keeps raw secrets away from agents.
- Targeting developers and companies building complex, long-running, production AI agents and backend services; the company describes its service area as worldwide.

From: [The Fastest Persistent Computer for Agents](https://www.dedaluslabs.ai/), [Fastest Persistent Computer for Agents | Dedalus Labs](https://www.dedaluslabs.ai/breakin), [Ideas, experiments, and playbooks, midflight](https://www.dedaluslabs.ai/blog), [api](https://www.dedaluslabs.ai/products/api)

## Summary

Dedalus Labs is a developer-focused infrastructure company that provides specialized compute for AI agents. Its core product, Dedalus Machines, offers persistent, isolated Linux virtual machines designed for sub-second startup and stateful AI agent operations. Additionally, the company provides an open-source SDK that simplifies agent development, model handoffs, and tool chaining via the Model Context Protocol (MCP) in just five lines of code. Founded in 2025 by Cathy Di and Windsor Nguyen, the company is backed by $11 million in seed funding led by Kindred Ventures and Saga Ventures, with participation from Y Combinator and various industry angels. It targets developers building autonomous, tool-calling agents and serves as a platform for hosting and deploying MCP servers. As of October 2025, the company is focusing on open-sourcing an MCP authorization server and expanding its infrastructure to support an agent-to-agent economy.

[1]: https://www.dedaluslabs.ai/ "The Fastest Persistent Computer for Agents"
[2]: https://www.ycombinator.com/companies/dedalus-labs "Dedalus Labs: Persistent computers for AI agents | Y Combinator"
[3]: https://www.dedaluslabs.ai/blog/dedalus-seed-round "We raised $11M to redefine how developers build AI agents"
[4]: https://www.dedaluslabs.ai/llms.txt "dedaluslabs.ai"
[5]: https://www.dedaluslabs.ai/blog/dedalus-machines-journey "Why we are building virtual machines for AI agents"
[6]: https://kindredventures.com/announcement/dedalus-labs-redefining-non-linear-agentic-workflows/ "Dedalus Labs: Redefining Non-Linear Agentic Workflows - Kindred Ventures"
[7]: https://sagavc.com/stories/dedalus-labs "Saga Ventures"
[8]: https://news.ycombinator.com/item?id=45054040 "Launch HN: Dedalus Labs (YC S25) – Vercel for Agents | Hacker News"

## Sources

- [Dedalus Labs, Inc. (B20250200694)'s website](https://dedaluslabs.ai)
- [Company record, via Exa](https://dedaluslabs.ai/)
- [Fastest Persistent Computer for Agents | Dedalus Labs](https://www.dedaluslabs.ai/breakin)
- [Ideas, experiments, and playbooks, midflight](https://www.dedaluslabs.ai/blog)
- [api](https://www.dedaluslabs.ai/products/api)