Anthropic acquires Stainless to strengthen SDK and MCP tooling
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Anthropic said Stainless will deepen how Claude connects to APIs through SDKs, CLIs, and MCP servers, making developer connectivity part of its agent strategy.
AI
2026-05-18
Anthropic acquires Stainless to strengthen SDK and MCP tooling
This acquisition matters because agent usefulness increasingly depends on reliable access to external systems. By bringing Stainless in-house, Anthropic is signaling that polished SDK generation, command-line workflows, and tool connectivity are now core infrastructure for winning the developer agent market.
Source: Anthropic