API Only User Hardening

Q: What is a Claude Code skill and how does the API Only User Hardening 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. API Only User Hardening 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: integrations · Last updated: 2026-05-21

type:integration

Provision and harden integration (API-only) users: no UI login, IP restrictions, minimum permission set, session lifetime, and monitoring. NOT for human admin account hardening.

About this skill (catalog notes)

API Only User Hardening is published as a SKILL.md file in this catalog. The SKILL.md is on the shorter side at about 385 words.

Original author: Pranav Nagrecha
Indexed lastmod: 2026-05-21
Catalog position: General · integrations
Indexed related skills: 10

How API Only User Hardening fits the catalog

API Only User Hardening sits in the General category under the integrations 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.

From the source SKILL.md

Integration users are the most common compromise vector because they have long-lived credentials and broad permissions. The hardened template is: API-Only profile (no UI), minimum permission set, IP range restriction, OAuth client-credential flow, 15-minute session, and Event Monitoring watchlist.

What this skill does

API Only User Hardening is a community-contributed Claude Code skill in the integrations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/api-only-user-hardening/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The API Only User Hardening 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/api-only-user-hardening
curl -L https://claudskills.com/skills/api-only-user-hardening/SKILL.md \
  -o ~/.claude/skills/api-only-user-hardening/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/api-only-user-hardening/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/api-only-user-hardening/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\api-only-user-hardening\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 API Only User Hardening Claude Code skill?

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

What does the API Only User Hardening skill do?

Provision and harden integration (API-only) users: no UI login, IP restrictions, minimum permission set, session lifetime, and monitoring. NOT for human admin account hardening.

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 API Only User Hardening skill?

Use API Only User Hardening when your Claude Code task falls under the General category — specifically in the integrations 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 API Only User Hardening" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the API Only User Hardening 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. API Only User Hardening 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

Author: Pranav Nagrecha

Cite this skill

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

APA

Pranav Nagrecha. (2026). API Only User Hardening [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/api-only-user-hardening/

BibTeX

@misc{api-only-user-hardening-2026,
  author    = {Pranav Nagrecha},
  title     = {API Only User Hardening [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/api-only-user-hardening/}
}

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