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Nullaway

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Guide for resolving NullAway static analysis errors. Best practices for: - Passing ObservableSupplier/Supplier<@Nullable T> - Dereferencing potentially @Nullable values - Adding @NullMarked to Java code

What this skill does

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

Who uses this skill

The Nullaway 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 69,000+ 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/nullaway
curl -L https://claudskills.com/skills/nullaway/SKILL.md \
  -o ~/.claude/skills/nullaway/SKILL.md

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

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

Attribution & license

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

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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