# Cotool

> AI agent operating system for cybersecurity detection and response teams.

## Why it is interesting

Agentic security ops for defenders — a16z-led seed with YC participation.

## Profile

- **Stage:** other
- **Status:** private
- **Industries:** generalist-tech
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Seed (2026): $7.4M led by a16z; Y Combinator, WndrCo, Homebrew participated (Cotool blog)
- Co-investors: WndrCo, Homebrew, Y Combinator not in VCT directory
- VCT directory co-investors: none mapped (non-directory syndicates noted above); reviewed 2026-07-24

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/cotool