newsPRIMARY2026-05-18
Anthropic reports Stainless deal for SDKs, CLIs, and MCP servers across TypeScript, Python, Go, Java, and Kotlin
Anthropic said it is acquiring Stainless, the SDK and MCP server platform behind Anthropic’s own official SDKs across major languages. The deal matters because Anthropic is bringing a key part of its API and agent-connectivity toolchain in-house while developers reassess alternative codegen stacks.
