
agent-orchestrator-parallel-coding
Orchestrate parallel AI coding agents across git worktrees for autonomous CI fixes, code reviews, and PR management
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/reason-machines/ai-agent-skills --skill agent-orchestrator-parallel-coding- 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 agent-orchestrator-parallel-coding 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.
Agent Orchestrator — Parallel AI Coding Agents
Skill by ara.so — AI Agent Skills collection.
Agent Orchestrator is an agentic orchestration layer that spawns parallel AI coding agents, each in its own git worktree. Agents autonomously fix CI failures, address review comments, and open PRs while you supervise from a unified dashboard.
Core Concepts
- Orchestrator Agent: Plans tasks, spawns worker agents, monitors progress
- Worker Agents: Isolated agents working on individual issues/features
- Git Worktrees: Each agent gets its own filesystem workspace
- Reactions: Automated responses to CI failures, review comments, approvals
- Plugin Architecture: Extensible runtime, agent, workspace, tracker, SCM, notifier, terminal plugins
Installation
Global CLI Installation
npm install -g @aoagents/ao
For nightly builds from main:
npm install -g @aoagents/ao@nightly
From Source (Contributors)
git clone https://github.com/ComposioHQ/agent-orchestrator.git
cd agent-orchestrator
bash scripts/setup.sh
Prerequisites
- Node.js 20+
- Git 2.25+ (worktree support)
ghCLI (authenticated)- macOS/Linux: tmux (
brew install tmuxorsudo apt install tmux) - Windows: PowerShell 7+ (uses native ConPTY, no tmux needed)
Quick Start
Start from GitHub URL
ao start https://github.com/your-org/your-repo
Start from Local Repo
cd ~/your-project
ao start
Start Multiple Projects
ao start ~/path/to/project-one
ao start https://github.com/org/project-two
The dashboard opens at http://localhost:3000 by default.
Configuration
On first run, ao start generates agent-orchestrator.yaml:
$schema: https://raw.githubusercontent.com/ComposioHQ/agent-orchestrator/main/schema/config.schema.json
port: 3000
defaults:
runtime: tmux # tmux on macOS/Linux, process on Windows
agent: claude-code # or codex, aider, cursor, opencode, kimicode
workspace: worktree # or clone
notifiers: [desktop]
projects:
my-app:
repo: owner/my-app
path: ~/my-app
defaultBranch: main
sessionPrefix: app
reactions:
ci-failed:
auto: true
action: send-to-agent
retries: 2
changes-requested:
auto: true
action: send-to-agent
escalateAfter: 30m
approved-and-green:
auto: false # Set to true for auto-merge
action: notify
power:
preventIdleSleep: true # Keeps Mac awake for remote access
Multi-Project Configuration
projects:
frontend:
repo: org/frontend
path: ~/work/frontend
defaultBranch: main
sessionPrefix: fe
backend:
repo: org/backend
path: ~/work/backend
defaultBranch: develop
sessionPrefix: be
docs:
repo: org/documentation
path: ~/work/docs
defaultBranch: main
sessionPrefix: docs
CLI Commands
Session Management
# List all active sessions
ao list
# Start a new agent session
ao new "Fix login validation bug" --project my-app --issue 123
# Attach to existing session
ao attach my-app-fix-login
# Stop a session
ao stop my-app-fix-login
# Stop all sessions for a project
ao stop --project my-app --all
Project Management
# Add project
ao add-project ~/path/to/repo
# Remove project
ao remove-project my-app
# Show configuration
ao config-help
Status & Monitoring
# Show all sessions and their status
ao status
# Show detailed session info
ao status my-app-fix-login
# View logs
ao logs my-app-fix-login
Zsh Completion
# Generate completion file
mkdir -p ~/.zsh/completions
ao completion zsh > ~/.zsh/completions/_ao
# Add to ~/.zshrc before compinit
fpath=(~/.zsh/completions $fpath)
autoload -Uz compinit
compinit
Plugin Configuration
Runtime Plugins
defaults:
runtime: tmux # or process, docker
tmux (default on macOS/Linux):
- Persistent sessions
- Attach from multiple terminals
- Scrollback history
process (default on Windows):
- Native ConPTY support
- No tmux dependency
- Set
AO_SHELL=bashfor Git Bash
docker:
- Complete isolation
- Reproducible environments
Agent Plugins
defaults:
agent: claude-code # or codex, aider, cursor, opencode, kimicode
Each agent plugin implements the AgentPlugin interface:
export interface AgentPlugin {
name: string;
start(config: AgentConfig): Promise<void>;
stop(sessionId: string): Promise<void>;
sendMessage(sessionId: string, message: string): Promise<void>;
getStatus(sessionId: string): Promise<AgentStatus>;
}
Workspace Plugins
defaults:
workspace: worktree # or clone
worktree: Single repo, multiple working directories (recommended) clone: Full repository clone per session
Tracker Plugins
defaults:
tracker: github # or linear, gitlab
Integration with issue tracking systems to fetch context and update status.
Notifier Plugins
defaults:
notifiers: [desktop, slack] # Available: desktop, slack, discord, composio, webhook, openclaw
Multiple notifiers can be active simultaneously.
Reaction Patterns
Auto-Fix CI Failures
reactions:
ci-failed:
auto: true
action: send-to-agent
retries: 2
message: "CI failed with the following errors: {{errors}}"
When CI fails, the orchestrator sends logs to the agent automatically. After 2 retries, escalation occurs.
Auto-Address Review Comments
reactions:
changes-requested:
auto: true
action: send-to-agent
escalateAfter: 30m
message: "Reviewer requested: {{comments}}"
The agent gets review comments and attempts to address them. If not resolved in 30 minutes, you're notified.
Auto-Merge on Approval
reactions:
approved-and-green:
auto: true # Enable auto-merge
action: merge
strategy: squash # or merge, rebase
deleteAfter: true
When PR is approved and CI passes, automatically merge and delete the branch.
Custom Reactions
reactions:
label-added:
auto: true
condition: "label == 'needs-tests'"
action: send-to-agent
message: "Please add tests for this change"
Working with Sessions
Creating a Session Programmatically
import { SessionManager } from '@aoagents/core';
const manager = new SessionManager();
const session = await manager.create({
projectId: 'my-app',
name: 'fix-auth-bug',
issue: 'GH-456',
branch: 'fix/auth-validation',
agent: 'claude-code',
runtime: 'tmux',
workspace: 'worktree'
});
// Session is now running in isolated worktree
console.log(`Session ${session.id} started at ${session.workspacePath}`);
Sending Messages to Agent
# Via CLI
ao send my-app-fix-auth "Review the authentication flow in src/auth.ts"
# Via API
ao api POST /sessions/my-app-fix-auth/message -d '{"content":"Check the auth flow"}'
Monitoring Session Status
import { SessionManager } from '@aoagents/core';
const manager = new SessionManager();
const status = await manager.getStatus('my-app-fix-auth');
console.log(`Agent: ${status.agent}`);
console.log(`State: ${status.state}`); // idle, working, waiting, error
console.log(`Current task: ${status.currentTask}`);
console.log(`Branch: ${status.branch}`);
console.log(`Workspace: ${status.workspacePath}`);
Git Worktree Management
Agent Orchestrator uses git worktrees to isolate agents:
# Worktrees are automatically created under:
~/my-app/.worktrees/fix-auth-bug/
# Each worktree has its own:
# - Working directory
# - HEAD pointer
# - Index
# - Branch
Worktree Cleanup
# Cleanup happens automatically on session stop
ao stop my-app-fix-auth
# Manual cleanup if needed
cd ~/my-app
git worktree remove .worktrees/fix-auth-bug
git branch -D fix/auth-validation
Dashboard API
The orchestrator exposes a REST API (default port 3000):
List Sessions
curl http://localhost:3000/api/sessions
Create Session
curl -X POST http://localhost:3000/api/sessions \
-H "Content-Type: application/json" \
-d '{
"projectId": "my-app",
"issue": "GH-789",
"title": "Add user export feature"
}'
Get Session Status
curl http://localhost:3000/api/sessions/my-app-export/status
Send Message
curl -X POST http://localhost:3000/api/sessions/my-app-export/message \
-H "Content-Type: application/json" \
-d '{"content": "Export to CSV format"}'
Stop Session
curl -X DELETE http://localhost:3000/api/sessions/my-app-export
Building Plugins
Agent Plugin Example
// plugins/agent-custom/src/index.ts
import { AgentPlugin, AgentConfig, AgentStatus } from '@aoagents/core';
export class CustomAgentPlugin implements AgentPlugin {
name = 'custom-agent';
async start(config: AgentConfig): Promise<void> {
// Initialize agent in workspace
const { workspacePath, sessionId, task } = config;
// Launch agent process
// Set up communication channel
// Return when ready
}
async stop(sessionId: string): Promise<void> {
// Cleanup agent process
// Save state if needed
}
async sendMessage(sessionId: string, message: string): Promise<void> {
// Forward message to agent
}
async getStatus(sessionId: string): Promise<AgentStatus> {
return {
state: 'working',
currentTask: 'Analyzing codebase',
lastActivity: new Date()
};
}
}
export default {
agent: new CustomAgentPlugin()
};
Notifier Plugin Example
// plugins/notifier-telegram/src/index.ts
import { NotifierPlugin, Notification } from '@aoagents/core';
export class TelegramNotifierPlugin implements NotifierPlugin {
name = 'telegram';
constructor(private botToken: string, private chatId: string) {}
async notify(notification: Notification): Promise<void> {
const { title, message, level, sessionId } = notification;
const text = `*${title}*\n${message}\nSession: ${sessionId}`;
await fetch(`https://api.telegram.org/bot${this.botToken}/sendMessage`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
chat_id: this.chatId,
text,
parse_mode: 'Markdown'
})
});
}
}
export default {
notifier: new TelegramNotifierPlugin(
process.env.TELEGRAM_BOT_TOKEN!,
process.env.TELEGRAM_CHAT_ID!
)
};
Environment Variables
# Agent credentials
export ANTHROPIC_API_KEY=sk-ant-...
export OPENAI_API_KEY=sk-...
# GitHub integration
export GITHUB_TOKEN=ghp_...
# Notifier credentials
export SLACK_WEBHOOK_URL=https://hooks.slack.com/...
export DISCORD_WEBHOOK_URL=https://discord.com/api/webhooks/...
# Windows shell preference
export AO_SHELL=bash # Use Git Bash instead of PowerShell
# Custom config location
export AO_CONFIG=~/custom/agent-orchestrator.yaml
Troubleshooting
Worktree Already Exists
# Error: worktree already exists
# Solution: Clean up manually
git worktree remove .worktrees/session-name --force
git branch -D branch-name
tmux Not Found (macOS/Linux)
# Install tmux
brew install tmux # macOS
sudo apt install tmux # Ubuntu/Debian
# Or switch to process runtime
ao config set defaults.runtime process
Agent Not Responding
# Check session logs
ao logs session-name
# Check agent process
ao status session-name
# Restart session
ao stop session-name
ao new "Same task" --project my-app --issue 123
Port Already in Use
# agent-orchestrator.yaml
port: 3001 # Change from default 3000
GitHub Auth Issues
# Re-authenticate gh CLI
gh auth login
# Verify token has required scopes
gh auth status
Merge Conflicts in Worktree
# Agent handles automatically via reaction
# Or attach and resolve manually
ao attach session-name
# Inside session: resolve conflicts, commit, push
Best Practices
- One issue per session: Each agent works on a single, well-defined task
- Use worktrees: Better isolation and performance than clones
- Configure reactions: Automate CI fixes and review responses
- Monitor dashboard: Track progress across all agents
- Escalate complex decisions: Let agents handle routine, you handle judgment calls
- Clean up regularly: Remove merged branches and completed worktrees
- Test reactions: Start with
auto: false, validate behavior, then enable - Use session prefixes: Organize sessions by project for clarity
Remote Access
# Keep Mac awake for remote dashboard access
power:
preventIdleSleep: true # Default on macOS
Access dashboard remotely via Tailscale or VPN:
http://your-mac-tailscale-ip:3000
Note: Lid-close sleep cannot be prevented on macOS. Use clamshell mode (external display + power) for lid-closed access.
Development & Testing
# Clone and build
git clone https://github.com/ComposioHQ/agent-orchestrator.git
cd agent-orchestrator
pnpm install
pnpm build
# Run tests (3,288 test cases)
pnpm test
# Start dev server
pnpm dev
# Build plugins
cd packages/plugin-agent-custom
pnpm build
Advanced: Custom Orchestrator Agent
Create a custom orchestrator that uses different planning logic:
// orchestrator-custom.ts
import { OrchestratorAgent, Task, SessionManager } from '@aoagents/core';
class CustomOrchestrator extends OrchestratorAgent {
async plan(goal: string): Promise<Task[]> {
// Custom planning logic
const tasks = await this.breakdownGoal(goal);
return tasks.map(task => ({
id: this.generateId(),
title: task.title,
description: task.description,
dependencies: task.deps,
estimatedEffort: task.effort
}));
}
async spawn(task: Task): Promise<string> {
const manager = new SessionManager();
const session = await manager.create({
projectId: this.projectId,
name: this.toSessionName(task.title),
issue: task.id,
branch: this.toBranchName(task.title),
agent: this.selectAgent(task),
runtime: 'tmux',
workspace: 'worktree'
});
return session.id;
}
}
This skill covers the complete usage of Agent Orchestrator for spawning and managing parallel AI coding agents with autonomous reactions, git worktree isolation, and extensible plugin architecture.
FAQ
What does the agent-orchestrator-parallel-coding skill do?
Orchestrate parallel AI coding agents across git worktrees for autonomous CI fixes, code reviews, and PR management
How do I install agent-orchestrator-parallel-coding?
Run npx skills add https://github.com/reason-machines/ai-agent-skills --skill agent-orchestrator-parallel-coding 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/agent-orchestrator-parallel-coding/ (personal) or .claude/skills/agent-orchestrator-parallel-coding/ (project).
Which AI agents can use agent-orchestrator-parallel-coding?
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 agent-orchestrator-parallel-coding 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 agent-orchestrator-parallel-coding?
It is published by reason-machines in reason-machines/ai-agent-skills. It has 188 recorded installs.
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