What it does
mise is a developer-tool manager that handles language and tool versions, environment variables, and project tasks. A project can store its selected tools and tasks in `mise.toml`; the documented setup supports installing the requested tools and listing or running tasks from the project directory.
Give a repository its own tool versions
The getting-started guide walks through installing mise, selecting a Node.js version for a project, setting an environment variable, and defining a task. A teammate can read the project’s mise.toml, run mise install in that directory, and list its tasks with mise tasks ls. Shell activation is an optional step in the guide; the task runner can also load the project configuration when invoking a task.
Review a project configuration before trusting it, especially when joining a repository you did not create. mise’s task interface is useful for local setup and repeatable project commands, but it is not a hosted CI service. The official repository is MIT-licensed.
Strengths
- Manages tool versions, environment variables, and project tasks in one CLI.
- Project configuration can be shared in `mise.toml`, and tasks can be run without shell activation.
- The official repository uses the MIT License.
Watch out for
- Using project-selected tools in an interactive shell requires following the documented shell setup; shell activation is an explicit setup step.
- Project configuration should be reviewed before it is trusted or used to install tools.
Best for
- Teams that want repeatable local development-tool versions and project setup commands.
- Developers maintaining projects with several language runtimes and shared environment configuration.
Sources
- Dev tools, env vars, and tasks in one CLI | mise-en-place (Oct 25, 2026)
- Getting started | mise-en-place (Oct 25, 2026)
- Tasks | mise-en-place (Oct 25, 2026)
- LICENSE | jdx/mise (Oct 25, 2026)