Coasts
Last verified 2026-09-25. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $1.0Mattributed |
|---|---|
| Latest round | seed, $1.0M, 2025-09-01attributed |
| Founded | 2025 |
| Headquarters | US |
| Industry | ai |
| Stage | seed |
| Website | coasts.dev |
Containerized runtime isolation for parallel AI coding agents working on local machines. Built for developers running multiple agents simultaneously without port or service collisions. Y Combinator F25; open-source, harness-agnostic, free.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2025-09-01 | seed | $1.0M | undisclosed |
Detected tech stack
Express, Amazon CloudFront, YouTube, React Router 7.13.0, HeroUI, Amazon Web Services, React, Node.js, Remix, @sentry/browser, posthog-js
Provenance
| Fact | Status | Basis |
|---|---|---|
| Seed, $1.0M | attributed | yc named as publisher. No document URL on file. |
| Total raised $1.0M | attributed | yc named as publisher. No document URL on file. |
| Company existence | sourced | Y Combinator named as publisher. Document, retrieved 2026-09-17. |
| Description | self-reported | coasts.dev, read 2026-09-25 |
Change history
| Date | Fact | Change | Basis |
|---|---|---|---|
| 2026-09-24Existence: self-reported → sourced, Y Combinator, document, retrieved 2026-09-17 | Existence | self-reported → sourced | Y Combinator, document, retrieved 2026-09-17 |
Records begin 2026-09-24. All changes