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overnight

Automate overnight planning and handoff for backlog-driven development sessions.

1|Updated Apr 1, 2026
Search Tags:#automation#planning#backlog#session-management#claude-code#runner#overnight
One-click install
npx skills add https://github.com/charleshall888/cortex-command --skill overnight-charleshall888
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: overnight
Source: https://github.com/charleshall888/cortex-command/tree/main/plugins/cortex-overnight/skills/overnight
Command: npx skills add https://github.com/charleshall888/cortex-command --skill overnight-charleshall888

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

The Overnight skill enables autonomous planning and handoff of backlog-driven development sessions, turning manual coordination into a repeatable, auditable process that hands off execution to the runner.

Core Features & Use Cases

  • Eligibility checks to ensure backlog items have cortex/lifecycle/{slug}/research.md and spec.md and are not epic
  • Rendering a unified plan and inline specs for review before launch
  • Handoff to the runner with generated overnight-plan.md, overnight-state.json, and session.json
  • Single active overnight session at a time to avoid conflicts
  • Worktree-based integration flow to merge changes into a dedicated overnight/{session_id} branch

Quick Start

Run /overnight in Claude Code to start an autonomous overnight planning session that selects backlog items, generates a plan, and hands off to the runner.

Frequently Asked Questions about overnight

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate overnight planning and handoff for backlog-driven development sessions?▼

Automated overnight planning selects eligible backlog items, renders a unified plan with inline specs, and generates overnight-plan.md with session.json files for runner handoff.

What prerequisites are needed for autonomous backlog session planning?▼

Backlog session planning requires ready items with both research.md and spec.md artifacts in their lifecycle directory, and items must not be epic-level tasks to pass eligibility checks.

How does session management work for overnight development automation?▼

Overnight development automation enforces a single active session to avoid conflicts, using a dedicated overnight worktree and generating session.json to track state during runner execution.

Can I run multiple autonomous planning sessions simultaneously in Claude Code?▼

No, simultaneous autonomous planning sessions are unsupported because the system enforces a single active overnight session to prevent conflicts and ensure auditable runner handoff.

How are overnight development changes integrated into the main project?▼

Overnight development changes integrate through a worktree-based flow merging runner output into a dedicated overnight/{session_id} branch, keeping the main branch isolated until review.

What is the best way to review generated plans before overnight runner execution?▼

Reviewing generated plans before overnight runner execution is handled by rendering a unified plan with inline specs in Claude Code, allowing you to audit backlog selection and execution strategy before launch.

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