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Stainless

Generates SDKs and MCP servers from API specs.

Visit Stainless » stainless.com

Stainless at a glance
What it doesGenerates SDKs and MCP servers from API specs
CategoryDeveloper
Websitewww.stainless.com
CheckedWebsite working when last checked (2026-10-16)

In their own words

“Stainless helps you deliver robust and idiomatic SDKs, documentation that keeps up with your API, and token-efficient MCP servers.”
— from the Stainless website

8 alternatives to Stainless

Other developer tools that do similar things:

Fern

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Smithery

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MCP Inspector

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FastMCP

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Tusk

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Readme

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Theneo

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Keploy

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How to choose

  1. Try it on your real codebase, not a demo. Results vary a lot by language and project size.
  2. Decide how much control you want: suggestions you accept line by line, or an agent that makes larger changes for you to review.
  3. Check your company's rules on sending code to outside AI services before you start.

Full guide to choosing developer tools »

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