cyrus-setup-prerequisites
Check and install prerequisites for Cyrus — Node.js, jq, gh CLI, and the cyrus-ai npm package.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/cyrusagents/cyrus --skill cyrus-setup-prerequisites- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads cyrus-setup-prerequisites automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
CRITICAL: Never use Read, Edit, or Write tools on ~/.cyrus/.env or any file inside ~/.cyrus/. Use only Bash commands (grep, printf >>, etc.) to interact with env files — secrets must never be read into the conversation context.
Setup Prerequisites
Checks system prerequisites and installs cyrus-ai.
Step 1: Detect Package Manager
If the user hasn't already specified their preferred package manager, ask:
Which package manager do you prefer? npm, pnpm, bun, or yarn?
Store the answer for use in this and subsequent skills.
Step 2: Check System Dependencies
Run the following checks and report results:
# Node.js >= 18
node --version
# jq (required for Claude Code parsing)
jq --version
# GitHub CLI (required for GitHub integration)
gh --version
For each missing dependency, provide the install command:
| Dependency | macOS | Linux/Ubuntu |
|---|---|---|
| Node.js | brew install node | curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash - && sudo apt install -y nodejs |
| jq | brew install jq | sudo apt install -y jq |
| gh | brew install gh | See https://github.com/cli/cli/blob/trunk/docs/install_linux.md |
If all dependencies are present, print a checkmark for each and continue.
If any are missing, offer to install them (detect OS via uname). Wait for user confirmation before installing.
Step 3: Check for agent-browser (Optional)
If the user selected any integration surface (Linear, GitHub, Slack), check for agent-browser:
which agent-browser
If installed, ensure it's up to date:
npm update -g agent-browser
If not found, inform the user:
agent-browseris optional but enables automated app creation for Linear/GitHub/Slack. Without it, you'll be guided through manual setup steps instead.Install with:
npm install -g agent-browser
Do NOT block on this — it's optional. Note whether it's available for downstream skills.
Step 4: Install cyrus-ai
Check if already installed:
which cyrus
If not found, install using the user's preferred package manager:
# npm
npm install -g cyrus-ai
# pnpm
pnpm install -g cyrus-ai
# bun
bun install -g cyrus-ai
# yarn
yarn global add cyrus-ai
Verify installation:
cyrus --version
Step 5: Ensure ~/.cyrus directory exists
mkdir -p ~/.cyrus
If ~/.cyrus/.env already exists, note it and inform the user that existing values will be preserved.
Completion
Print a summary:
Prerequisites:
✓ Node.js v22.x
✓ jq 1.7
✓ gh 2.x
✓ cyrus-ai installed
✓ agent-browser available (or: ⚠ not installed — manual setup mode)
FAQ
What does the cyrus-setup-prerequisites skill do?
Check and install prerequisites for Cyrus — Node.js, jq, gh CLI, and the cyrus-ai npm package.
How do I install cyrus-setup-prerequisites?
Run npx skills add https://github.com/cyrusagents/cyrus --skill cyrus-setup-prerequisites in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/cyrus-setup-prerequisites/ (personal) or .claude/skills/cyrus-setup-prerequisites/ (project).
Which AI agents can use cyrus-setup-prerequisites?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is cyrus-setup-prerequisites safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains cyrus-setup-prerequisites?
It is published by cyrusagents in cyrusagents/cyrus. It has 1,042 recorded installs.
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