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gr2m
Los Angeles

Gregor Martynus

AI SDK tech lead at Vercel. Long-term open source maintainer and builder of great SDKs.

Black and white portrait of Gregor Martynus looking to the side

Open source projects I work on

  1. vercel/ai

    The AI Toolkit for TypeScript

    27.8k

  2. semantic-release

    Automated versioning and package publishing

    24.2k

  3. nock

    HTTP server mocking for Node.js

    13.1k

  4. probot

    Framework for building GitHub Apps

    9.6k

  5. all-contributors

    Recognize all contributors, not just code

    8.1k

  6. octokit.js

    The all-batteries-included GitHub SDK

    7.9k

GitHub stars as of November 2026, on one shared scale.

Find me elsewhere