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Enhance your workflow with extensions

Tools from the community and partners to simplify tasks and automate processes

    Warning

    We are deprecating GitHub Copilot Extensions on November 10, 2025, in favor of the Model Context Protocol (MCP). You can read more about this change in our changelog post.

    Reporting actions

    Get insights into how your teams are developing software using GitHub.

    Are you an early 🐤 or a night 🦉? When are you most productive during the day? Let s check out in your readme

    Send data to Slack to start a Slack workflow in Workflow Builder, call a Slack API method, or post a message into a channel

    This action will send a notification to Slack

    Shows test results in GitHub UI: .NET (xUnit, NUnit, MSTest), Dart, Flutter, Java (JUnit), JavaScript (JEST, Mocha)

    Publishes JUnit, NUnit, XUnit, TRX, JSON test results on GitHub for .NET, Dart, Java, JS, Jest, Mocha, Python, Scala, …

    Get compressed size differences for every PR

    Track your code coverage in each pull request

    Send an email to multiple recipients

    A GitHub Action to report out issue metrics

    size-limit action

    Flat Data

    Action

    The GitHub action which powers data fetching for Flat

    Report JUnit test results as annotations on Github Pull Request [junit]

    Run Specfy s Stack Analyser and send update to Specfy API

    github-repo-stats

    Create badges via shields.io/endpoint for your README.md which may change with every commit

    Build, publish and view test reports on job summaries and pull requests

    Wrapper around the GitHub Checks API

    Add a comment to a pull request

    Post Github Actions CI status to Discord

    Comments a pull request with the pytest code coverage badge and full report