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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 1k 50

  2. community community Public

    OpenFeature project community and governance

    JavaScript 101 95

  3. openfeature.dev openfeature.dev Public

    OpenFeature Website

    TypeScript 56 92

  4. playground playground Public

    OpenFeature SDK demos and experimentation

    TypeScript 71 29

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

    A Kubernetes feature flag operator

    Go 265 47

  6. flagd flagd Public

    A feature flag daemon with a Unix philosophy

    Go 819 94

Repositories

Showing 10 of 53 repositories
  • spec Public

    OpenFeature specification

    open-feature/spec’s past year of commit activity
    Python 1,021 Apache-2.0 50 20 (2 issues need help) 8 Updated Dec 6, 2025
  • java-sdk Public

    Java implementation of the OpenFeature SDK

    open-feature/java-sdk’s past year of commit activity
    Java 107 Apache-2.0 52 13 (4 issues need help) 12 Updated Dec 6, 2025
  • playground Public

    OpenFeature SDK demos and experimentation

    open-feature/playground’s past year of commit activity
    TypeScript 71 Apache-2.0 29 7 (1 issue needs help) 12 Updated Dec 5, 2025
  • mcp Public

    Model Context Protocol (MCP) Server for OpenFeature

    open-feature/mcp’s past year of commit activity
    TypeScript 2 Apache-2.0 1 1 3 Updated Dec 5, 2025
  • js-sdk-contrib Public

    OpenFeature Providers and Hooks for JavaScript

    open-feature/js-sdk-contrib’s past year of commit activity
    TypeScript 62 Apache-2.0 58 29 (2 issues need help) 14 Updated Dec 5, 2025
  • protocol Public

    OpenFeature Remote Evaluation Protocol

    open-feature/protocol’s past year of commit activity
    44 Apache-2.0 5 6 2 Updated Dec 5, 2025
  • go-sdk-contrib Public

    Community maintained OpenFeature Providers and Hooks for Go

    open-feature/go-sdk-contrib’s past year of commit activity
    Go 67 Apache-2.0 68 22 (4 issues need help) 15 Updated Dec 5, 2025
  • community Public

    OpenFeature project community and governance

    open-feature/community’s past year of commit activity
    JavaScript 101 Apache-2.0 95 4 3 Updated Dec 5, 2025
  • openfeature.dev Public

    OpenFeature Website

    open-feature/openfeature.dev’s past year of commit activity
    TypeScript 56 CC-BY-4.0 92 15 4 Updated Dec 5, 2025
  • ruby-sdk-contrib Public

    Community contributions for hooks and reference providers in Ruby

    open-feature/ruby-sdk-contrib’s past year of commit activity
    Ruby 5 Apache-2.0 9 7 (1 issue needs help) 1 Updated Dec 4, 2025