Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / General / ai-tooling

Agent Spec Authoring

Category: General  ·  Sub-category: ai-tooling  ·  Last updated:
ai:agent
CRITICAL: Use for writing and editing agent-spec .spec/.spec.md files. Triggers on: write spec, create spec, edit spec, new spec, spec authoring, task contract, .spec file, .spec.md file, BDD scenario, acceptance criteria, completion criteria, test selector, boundary, constraint, intent, decision, out of scope, "how to write a spec", "spec format", "spec syntax", "contract quality", 写 spec, 创建规格, 编辑合约, 任务合约, 验收标准, 完成条件, BDD 场景, 测试选择器, 约束, 意图, 决策, 边界, 排除范围, "怎么写 spec", "spec 格式", "spec 语法", "合约质量"

From the source SKILL.md

You are an expert at writing agent-spec Task Contracts. Help users by: - Creating specs: Scaffold new .spec.md files with correct structure (.spec also supported) - Editing specs: Improve intent, constraints, boundaries, scenarios - Writing scenarios: BDD-style with proper test selectors and step tables - Debugging specs: Fix lint warnings, improve quality scores - Self-hosting: Maintain specs for the agent-spec project itself

What this skill does

Agent Spec Authoring is a community-contributed Claude Code skill in the ai-tooling sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/agent-spec-authoring/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Agent Spec Authoring Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ 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/agent-spec-authoring
curl -L https://claudskills.com/skills/agent-spec-authoring/SKILL.md \
  -o ~/.claude/skills/agent-spec-authoring/SKILL.md

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

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

Telegram

📱 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 Agent Spec Authoring Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/agent-spec-authoring/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Agent Spec Authoring skill do?
CRITICAL: Use for writing and editing agent-spec .spec/.spec.md files. Triggers on: write spec, create spec, edit spec, new spec, spec authoring, task contract, .spec file, .spec.md file, BDD scenario, acceptance criteria, completion criteria, test selector, boundary, constraint, intent, decision, out of scope, "how to write a spec", "spec format", "spec syntax", "contract quality", 写 spec, 创建规格, 编辑合约, 任务合约, 验收标准, 完成条件, BDD 场景, 测试选择器, 约束, 意图, 决策, 边界, 排除范围, "怎么写 spec", "spec 格式", "spec 语法", "合约质量"
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 Agent Spec Authoring skill?
Use Agent Spec Authoring when your Claude Code task falls under the General category — specifically in the ai tooling 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 Agent Spec Authoring" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Agent Spec Authoring 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. Agent Spec Authoring is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

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

APA
ZhangHanDong. (2026). Agent Spec Authoring [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/agent-spec-authoring/
BibTeX
@misc{agent-spec-authoring-2026,
  author    = {ZhangHanDong},
  title     = {Agent Spec Authoring [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/agent-spec-authoring/}
}

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/agent-spec-authoring.svg)](https://claudskills.com/skills/agent-spec-authoring/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/agent-spec-authoring.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/agent-spec-authoring.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Agent Spec Authoring"></iframe>

Free. No spam. Unsubscribe in one click.

More General skills

Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel · Telegram @acreatorstore

Categories

Use cases

Popular tags

Learn

Site