Startup profile for Cotool: what they do, why they are interesting, stage (See coverage), industries, and links to our funding articles. Part of the Venture Capital Tracker startup directory.
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Startup profile · funding coverage

Cotool

AI agent operating system for cybersecurity detection and response teams.

Stage

See coverage

Status

private

Coverage

full

Why Cotool is interesting

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

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

Funds linked from Cotool's profile — open a fund page for stage focus and related deal articles.

Andreessen Horowitz

Industries

Generalist Technology

Industry hub pages are rolling out from our fund-derived baseline taxonomy.

Related funding articles

Venture Capital Tracker pieces that cover Cotool's financing or category context.

All startups Funding news

Last updated: 2026-07-24