Nightly Agent

Q: What is a Claude Code skill and how does the Nightly Agent skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Nightly Agent is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Content · Sub-category: content-misc · Last updated: 2026-06-15

夜間自我改善 Agent — 讀取 transcript/mycelium friction events、聚類後草擬 hookify rule 或 CLAUDE.md gotcha、驗證 failing→passing test、開 PR。每日 03:00 自動執行。

From the source SKILL.md

每晚自動掃描最近 24h 的 session transcripts 和 mycelium lessons，找出反覆出現的 friction patterns（AP2 blocks、worktree conflicts 等），草擬預防性 artifacts，並在通過 failing→passing test 後開 PR。

What this skill does

Nightly Agent is a community-contributed Claude Code skill in the content-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/nightly-agent/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Nightly Agent Claude Code skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 117,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/nightly-agent
curl -L https://claudskills.com/skills/nightly-agent/SKILL.md \
  -o ~/.claude/skills/nightly-agent/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/nightly-agent/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/nightly-agent/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\nightly-agent\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Nightly Agent Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/nightly-agent/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Nightly Agent skill do?

夜間自我改善 Agent — 讀取 transcript/mycelium friction events、聚類後草擬 hookify rule 或 CLAUDE.md gotcha、驗證 failing→passing test、開 PR。每日 03:00 自動執行。

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Nightly Agent skill?

Use Nightly Agent when your Claude Code task falls under the Content category — specifically in the content misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Nightly Agent" or describe the task and let Claude pick). Browse related skills at /category/content/.

What is a Claude Code skill and how does the Nightly Agent skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Nightly Agent is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/heyu-ai/yibi-stack/blob/HEAD/skills/nightly-agent/SKILL.md
Author: heyu-ai

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

heyu-ai. (2026). Nightly Agent [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/nightly-agent/

BibTeX

@misc{nightly-agent-2026,
  author    = {heyu-ai},
  title     = {Nightly Agent [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/nightly-agent/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/nightly-agent.svg)](https://claudskills.com/skills/nightly-agent/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)