Anthropic Acquires Stainless
May 18, 2026
Anthropic has acquired Stainless, a startup providing SDK generation and MCP server tooling that helps developers and AI agents connect to APIs and external systems. The acquisition is intended to strengthen Claude’s agent connectivity capabilities and improve the developer experience across languages by bringing the Stainless team into Anthropic’s platform organization.
- Buyers
- Anthropic
- Targets
- Stainless
- Industry
- AI & Machine Learning
- Location
- New York, United States
- Transaction Type
- Buyout
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