Custom Agent Usage

Q: What is a Claude Code skill and how does the Custom Agent Usage 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. Custom Agent Usage is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: ai-tooling · Last updated: 2026-06-02

ai:agent

Discover, validate, and invoke .agent.md custom agents. Use when finding agent files in the local Claude or VS Code Insiders directories, checking frontmatter, verifying disable-model-invocation, or determining agentName for runSubagent calls.

About this skill (catalog notes)

Custom Agent Usage includes worked examples; 5 code blocks for direct copy-paste. The SKILL.md runs to about 974 words, in the catalog's typical mid-range.

Source: bg-szy.github.io/TOP-SKILLS
Original author: bg-szy
Indexed lastmod: 2026-06-02
Catalog position: General · ai-tooling
Indexed related skills: 10

How Custom Agent Usage fits the catalog

Custom Agent Usage sits in the General category under the ai-tooling sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Custom Agent Usage 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/custom-agent-usage/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when finding agent files in the local Claude or VS Code Insiders directories, checking frontmatter, verifying disable-model-invocation, or determining agentName for runSubagent calls.

Who uses this skill

The Custom Agent Usage 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 88,000+ 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/custom-agent-usage
curl -L https://claudskills.com/skills/custom-agent-usage/SKILL.md \
  -o ~/.claude/skills/custom-agent-usage/SKILL.md

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

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

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 Custom Agent Usage Claude Code skill?

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

What does the Custom Agent Usage skill do?

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 Custom Agent Usage skill?

Use Custom Agent Usage 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 Custom Agent Usage" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Custom Agent Usage 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. Custom Agent Usage 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

Source: https://github.com/bg-szy/TOP-SKILLS/blob/HEAD/skills/agent-skills/custom-agent-usage/SKILL.md
Author: bg-szy
Website: https://bg-szy.github.io/TOP-SKILLS/

Cite this skill

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

APA

bg-szy. (2026). Custom Agent Usage [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/custom-agent-usage/

BibTeX

@misc{custom-agent-usage-2026,
  author    = {bg-szy},
  title     = {Custom Agent Usage [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/custom-agent-usage/}
}

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

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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

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