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Up to three tools. The table shows the data as-is, without picking a “best”.
| Field | uv | act | Miller |
|---|---|---|---|
| Platforms | Universal | GitHub | Universal, MCP, Claude Code, Codex, Cursor |
| Local support | Yes | Yes | Yes |
| Paid API | No | No | No |
| License | MIT OR Apache-2.0 | MIT | BSD-2-Clause |
| Stars | 91070 | 72435 | 10049 |
| Last activity | October 20, 2026 | — | October 21, 2026 |
| Install complexity | Easy on supported systems; Homebrew must already be installed for this command. Windows and standalone installation options are explained in the guide. | — | EASY |
| Category | Workflow, DevOps | Testing, Git, DevOps | Workflow, Data |
| Best use | For a Python developer or small team that wants a shared setup rather than relying on manually installed packages. Commit the dependency definition and lockfile, then sync the environment and run commands with uv. It does not isolate the operating system or untrusted code, or replace application compatibility tests. | Best for a developer or small team that repeatedly edits GitHub Actions workflows and wants to test a job before pushing. It provides a local run log, while a final GitHub check remains necessary. It is not suitable when exact hosted-runner parity is required. | Ideal for developers, data analysts, and operators who need to clean a CSV export, inspect JSON Lines, or summarize a large file from the terminal without starting a Python project. Use it for quick, repeatable file processing; concurrent transactions and advanced visual analysis still call for a database or complementary analytics tool. |