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API Availability

Category: Engineering  ·  Sub-category: devops  ·  Last updated:
Use when the user mentions a specific iOS, iPadOS, macOS, visionOS, watchOS, tvOS, or Mac Catalyst version, references @available or #available or #unavailable, asks about minimum deployment targets, asks if an API is back-deployable, or asks whether an Apple API is deprecated, removed, or replaced.

From the source SKILL.md

Apple APIs gate strongly on platform version, and platform version data is exactly where Claude's training-data memory is least reliable. Without forced verification, you will confidently state wrong "since iOS X" strings, miss deprecations, and recommend APIs that don't exist on the user's deployment target.

What this skill does

API Availability is a community-contributed Claude Code skill in the devops sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/api-availability/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user mentions a specific iOS, iPadOS, macOS, visionOS, watchOS, tvOS, or Mac Catalyst version, references @available or #available or #unavailable, asks about minimum deployment targets, asks if an API is back-deployable, or asks whether an Apple API is deprecated, removed, or replaced.

Who uses this skill

The API Availability Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ 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-availability
curl -L https://claudskills.com/skills/api-availability/SKILL.md \
  -o ~/.claude/skills/api-availability/SKILL.md

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

Skills live at ~/.claude/skills/api-availability/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\api-availability\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

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See pricing → Download desktop app

Cite this skill

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

APA
ClaudSkills. (2026). API Availability [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/api-availability/
BibTeX
@misc{api-availability-2026,
  author    = {ClaudSkills},
  title     = {API Availability [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/api-availability/}
}

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