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Overwire

Run, mock, and debug your GitHub Actions workflow files locally. Stop pushing to find out.

Every step gets a mode

Flag any step as skip, mock, or live. Mock contracts declare expected inputs and outputs so third-party actions run without external dependencies.

Real runner container

Live steps execute inside a runner container that Overwire builds and manages. Nothing from your workflow runs directly on the host.

Simulate the platform

Rulesets, required checks, PR scenarios, commit statuses, environment approvals, and a local GitHub API mock server with capture and suggest.

Scriptable CLI

Everything the workbench does is scriptable. Parse, lint, simulate, run, and chain workflows from the command line.

overwire.io

Overwire is not affiliated with, endorsed by, or sponsored by GitHub, Inc., Microsoft Corporation, or Docker, Inc. GitHub and GitHub Actions are trademarks of GitHub, Inc.