StartupY Combinator (S26)
Coasty
Launched as an API for computer-use agents on legacy apps; now builds living worlds and multi-agent environments.
Coasty launched on Hacker News in July 2026 with an API for computer-use agents that operate legacy desktop and web apps. Its site now reads "Living Worlds & Multi-Agent Environments", a pivot towards environments where many agents act. Y Combinator S26.
Neighbours in the directory
Prague, Czechia · Est. 2023
Open-source sandboxes for running AI-generated code.
E2B gives agents secure, isolated cloud micro-VMs to execute code and commands — the execution runtime layer of the harness, used by many coding and data-analysis agents.
Est. 2023
Elastic sandboxes for running AI-generated code.
Daytona provides secure, OCI-compatible sandbox 'computers' that spin up in under 90ms — with snapshots for persistent agent state. In 2026 it moved core development to a private codebase while continuing to run as a commercial platform.
San Francisco, CA · Est. 2024
The open platform for cloud coding agents.
OpenHands (formerly All Hands AI, born from the OpenDevin project) builds the major open-source coding-agent platform — agent canvas, sandboxed execution, SDK and an enterprise control plane — now rebranded under the project's name.
Sources
Verified Oct 29, 2026