Backlog CLI

An unofficial CLI tool for Nulab's Backlog.

Features

• 🌐 Cross-platform — Runs on Linux, macOS, and Windows (x86_64 / aarch64 / Apple Silicon)
• 🔐 Flexible authentication — API key or browser-based OAuth 2.0; credentials stored in the system keyring (GNOME Keyring, macOS Keychain, or Windows Credential Manager) with a file fallback
• 🏢 Multi-space support — Manage multiple Backlog spaces and switch between them with bl auth use
• 🔧 JSON output — All primary commands support --json for machine-readable output
• 🤖 CI/CD friendly — Inject credentials via BL_API_KEY and BL_SPACE environment variables; no interactive prompts needed
• 📦 Single binary — Just download and run; no extra setup required
• ⚡ Easy install — Single-command installation via shell script or PowerShell

Installation

Linux / macOS

curl -fsSL https://raw.githubusercontent.com/23prime/backlog-cli/latest/install.sh | sh

Windows

irm https://raw.githubusercontent.com/23prime/backlog-cli/latest/install.ps1 | iex

For other installation methods (building from source, etc.), see the Documentation.

Usage

1. Authenticate — choose one method:

   bl auth login         # API key
   bl auth login-oauth   # OAuth 2.0 (browser-based)

2. Run commands. e.g.) Show your space information.

   bl space

See the Documentation for full documentation.

Development

Pre-requirements

• mise
• rustup

Commands

mise run setup   # Install tools
mise run check   # Lint / format / test
mise run fix     # Auto fix

Release

mise run release -- patch   # Bump version (patch / minor / major) and tag
mise run tag-push           # Push tag to trigger CI release