Installation script for Meta AI's CLI tool muse

LinkTool

The shell script hosted at dev.meta.ai installs a command-line tool named muse from Meta AI. It retrieves a launcher script, performs integrity checks, and updates shell configuration files.

Key points

  1. Installs the muse CLI command into ~/.local/bin by default.
  2. Downloads the launcher binary from api.meta.ai over HTTPS requiring at least TLS 1.2.
  3. Verifies downloaded file integrity using a bash syntax check (bash -n) and optional SHA-256 verification against the x-content-sha256 header.
  4. Automatically configures PATH in shell profiles for Bash, Zsh, and Fish unless bypassed with MUSE_NO_MODIFY_PATH.

Why it matters

The script reveals technical details of how Meta AI packages and distributes developer tooling, illustrating common patterns for CLI bootstrap scripts.

Analysis

The installer implements robust bash practices, using 'set -euo pipefail', trap cleanups for interrupts, and explicit umask settings. It includes dedicated logic to handle environment nuances, such as resolving ZDOTDIR for Zsh users and dropping drop-in files for Fish shells, while enforcing TLS 1.2 and verifying checksums when served by the backend.

Found in

Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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    7210 Mattersburg, Austria
  • Vienna
    Ungargasse 64-66/3/404
    1030 Wien, Austria

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