OpenAI builds and deploys advanced AI models like GPT-4o for autonomous agents and workflows.
Session Orchestrator
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About Session Orchestrator
Session Orchestrator provides a structured workflow for coding agents such as Claude Code, Codex, Cursor, and Pi. It organizes work into three phases—Plan, Go, and Close—where developers first agree on goals and assign responsibilities, then execute tasks independently, and finally record outcomes and next steps. The tool supports parallel execution in some agents and sequential work in others, with waves that can be sized to the complexity of the task. It enforces write scopes, destructive-command rules, and evidence requirements during the Close phase. Installation requires Node.js 24 or later and a Git repository, with specific steps for each supported coding tool. The plugin is free and MIT licensed, though the coding tools themselves may have separate costs.
Key features
- Three-phase workflow: Plan, Go, Close
- Write scope enforcement before task assignment
- Destructive-command rule checks
- Evidence collection for completed work
- Parallel or sequential task execution
- Configurable wave depth for task complexity
- Policy files for custom rule definitions
- Hook-based integration with coding tools
Use cases
- Implementing new features in stages with clear handoffs
- Debugging complex issues across multiple files
- Onboarding new developers with documented workflows
Pros
- Structured workflow with Plan, Go, and Close phases
- Supports multiple coding agents including Claude Code and Cursor
- Enforces write scopes and destructive-command rules
- Open source and MIT licensed
- No account or subscription required
Cons
- Requires Node.js 24 or later
- Limited to supported coding agents
- No official support or service level agreement
- Installation steps vary by tool
Frequently asked questions about Session Orchestrator
What is Session Orchestrator and what does it do?
Session Orchestrator provides a structured workflow for coding agents like Claude Code, Codex, Cursor, and Pi. It organizes work into three phases—Plan, Go, and Close—to ensure goals are agreed upon, tasks are executed systematically, and outcomes are recorded with evidence.
Who is Session Orchestrator designed for?
It is designed for developers working across their own projects who want to standardize and streamline how coding agents collaborate. The tool is particularly useful for teams or individuals managing complex tasks with multiple agents.
How does Session Orchestrator handle parallel and sequential execution?
Claude Code and Codex can run independent tasks in parallel, while Cursor and Pi work through tasks sequentially. The workflow can be sized to the complexity of the task using waves, which organize the work into manageable steps.
What are the system requirements for installing Session Orchestrator?
Session Orchestrator requires Node.js 24 or later and a Git repository. Installation steps vary depending on the coding tool being used, such as Claude Code, Codex CLI, Cursor IDE, or Pi.
Is Session Orchestrator free to use?
Yes, the plugin itself is free and MIT licensed. However, the coding tools it integrates with (such as Claude Code or Codex) may have their own separate costs.
Does Session Orchestrator enforce any safety or quality checks?
Yes, it enforces write scopes, destructive-command rules, and evidence requirements during the Close phase. Some checks are enforced by the tool itself, while others are provided as instructions for the agents to follow.
