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@open-feature

OpenFeature

Standardizing Feature Flagging for Everyone

OpenFeature Logo

Welcome to the OpenFeature project 👋

OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution.

Learn More 📚 · Get Started 🔭 · Contribute 😍 · Discover the Ecosystem 🧭


👋 Getting involved

There is a lot to do! If you're interested in getting involved, please join our Slack channel, the mailing lists, and attend the community meetings. We're a friendly, collaborative group and look forward to working together!

Learn how to get involved in the OpenFeature Contributor Ladder.

🦺 Help keep our community safe, inviting, and inclusive

OpenFeature follows the CNCF Community Code of Conduct. Please abide by this Code of Conduct when interacting with all repositories under the OpenFeature umbrella and when interacting with people.

👾 Reporting Security Incidents

Please be mindful that Security-related issues should be reported through our Security Policy as Security-related issues and vulnerabilities can be exploited and we request confidentiality whenever possible.


OpenFeature is a CNCF incubating project.

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  1. spec spec Public

    OpenFeature specification

    Python 1.3k 59

  2. community community Public

    OpenFeature project community and governance

    JavaScript 104 104

  3. openfeature.dev openfeature.dev Public

    OpenFeature Website

    TypeScript 65 119

  4. playground playground Public

    OpenFeature SDK demos and experimentation

    TypeScript 77 31

  5. open-feature-operator open-feature-operator Public

    A Kubernetes feature flag operator

    Go 316 61

  6. flagd flagd Public

    A feature flag daemon with a Unix philosophy

    Go 1k 138

Repositories

Showing 10 of 60 repositories
  • dotnet-sdk Public

    .NET implementation of the OpenFeature SDK

    open-feature/dotnet-sdk's past year of commit activity
    C# 139 Apache-2.0 27 15 5 Updated Sep 25, 2026
  • flagd-ofrep-cf-worker Public

    Cloudflare Worker for OpenFeature Remote Evaluation Protocol using flagd

    open-feature/flagd-ofrep-cf-worker's past year of commit activity
    TypeScript 0 Apache-2.0 0 1 2 Updated Sep 25, 2026
  • flagd-testbed Public

    Shared test harness for flagd SDK testing, with Gherkin tests

    open-feature/flagd-testbed's past year of commit activity
    Gherkin 5 15 12 (2 issues need help) 10 Updated Sep 25, 2026
  • mcp Public

    Model Context Protocol (MCP) Server for OpenFeature

    open-feature/mcp's past year of commit activity
    TypeScript 3 Apache-2.0 3 1 6 Updated Sep 25, 2026
  • python-sdk Public

    Python SDK for OpenFeature

    open-feature/python-sdk's past year of commit activity
    Python 112 Apache-2.0 44 11 (1 issue needs help) 8 Updated Sep 25, 2026
  • php-sdk-contrib Public

    OpenFeature Providers and Hooks for PHP

    open-feature/php-sdk-contrib's past year of commit activity
    PHP 17 Apache-2.0 14 16 (1 issue needs help) 12 Updated Sep 25, 2026
  • php-sdk Public

    PHP implementation of the OpenFeature SDK

    open-feature/php-sdk's past year of commit activity
    PHP 43 Apache-2.0 14 15 (1 issue needs help) 7 Updated Sep 25, 2026
  • playground Public

    OpenFeature SDK demos and experimentation

    open-feature/playground's past year of commit activity
    TypeScript 77 Apache-2.0 31 7 (1 issue needs help) 18 Updated Sep 25, 2026
  • elixir-sdk-contrib Public

    OpenFeature Providers and Hooks for Elixir

    open-feature/elixir-sdk-contrib's past year of commit activity
    Elixir 1 Apache-2.0 0 4 (1 issue needs help) 9 Updated Sep 25, 2026
  • cli Public

    OpenFeature’s official command-line tool

    open-feature/cli's past year of commit activity
    Go 63 Apache-2.0 22 21 (4 issues need help) 8 Updated Sep 25, 2026