updateMay 18, 2026· 1 min read

anthropic acquires stainless dev tools startup

anthropic has acquired stainless, a startup that automates sdk creation. this will limit access to its tools for developers outside of anthropic.

anthropic has acquired stainless, a startup known for automating the creation and maintenance of software development kits (SDKs). stainless's tools have been used by major AI companies like OpenAI and Google to streamline SDK generation across multiple programming languages. following the acquisition, anthropic will wind down all hosted stainless products, including its SDK generator.

for indie developers or small studios, this means that the automated SDK tools previously available will now be exclusive to anthropic. if you were considering using stainless for your projects, you will need to explore alternatives for SDK generation and maintenance. the loss of stainless as a resource could slow down integration efforts for those looking to connect with various APIs.

stainless customers will retain ownership of the SDKs they have generated so far and can modify them as needed. however, any future updates or new SDKs will only be accessible through anthropic's platform. this could impact your workflow if you rely on automated SDK updates, as you may need to manually maintain your SDKs moving forward.

consider looking into other SDK generation tools or libraries that can provide similar functionality. maintaining your own SDKs will require more effort, so plan accordingly to avoid disruptions in your development process.

vibe check
useful if your game's backend calls anthropic apis directly, since the sdk tooling around those integrations just got a lot less open