Install undercutf1 with Homebrew

Project links

• Homepage
• Repository

Commands and aliases

• undercutf1

Project history

The GitHub repository was created in August 2023. The README frames the project as both an end-user `undercutf1` TUI and a reusable `UndercutF1.Data` library for connecting to and processing the F1 Live Timing data stream.

The project documents a notable 2025 service change: since the 2025 Dutch GP, some live timing data is no longer freely published, so some features require an active F1 TV subscription. That makes the tool's history unusually tied to the availability and shape of F1's data feed.

Adoption history

UndercutF1 is distributed in developer-friendly channels rather than only as source code: its README documents installation as a global .NET tool, via Homebrew, as static GitHub release executables, and as a Docker image. The supplied package facts currently list Homebrew packaging for the `undercutf1` executable.

The official README's Homebrew section explicitly targets Mac and Linux users who want system-wide installation and `brew upgrade` updates, which is the package-manager niche for this project.

How it is used

The main workflow is to start `undercutf1`, open the Session screen, and choose either a live session or a simulated session from recorded data. During live use, the README recommends adjusting the delay by seconds or larger increments to match the external broadcast.

The tool is also used after a session: it can import static timing data for previous meetings and replay those sessions. This replay workflow makes it useful for fans, data tinkerers, and developers testing features without waiting for a live race weekend.

Why package nerds care

UndercutF1 is niche, but it is package-interesting because it bundles a modern .NET TUI with terminal graphics, platform-specific media helpers, optional F1 TV login, Docker distribution, and a Homebrew formula. It is a good example of a specialized CLI moving from hobby project to reproducible install target.

For package maintainers, the main concerns are runtime and terminal integration rather than library ABI: the README notes .NET requirements, audio playback helpers, FFmpeg/Whisper-related features, fontconfig on Linux/macOS, and terminal graphics protocol support.

Timeline

• 2023: GitHub repository created.
• 2025: README notes that some live timing data became subscription-gated after the Dutch GP.
• 2026: Repository metadata shows active maintenance and about 896 GitHub stars.

Related projects

• The README says UndercutF1 is heavily inspired by FastF1, which helped document and work with the F1 SignalR live timing stream.
• The README describes `UndercutF1.Data` as the library layer used by the TUI and available for stream processing.

Sources

• https://api.github.com/repos/JustAman62/undercut-f1
• https://github.com/JustAman62/undercut-f1#readme
• input.source_facts.package-manager