Fuzzing Apis includes a dedicated installation section; worked examples; at least one code block. The SKILL.md runs to about 753 words, in the catalog's typical mid-range.
Fuzzing Apis sits in the Security category under the appsec-tools 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.
Fuzzing Apis is a community-contributed Claude Code skill in the appsec-tools sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fuzzing-apis/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when performing specialized testing.
The Fuzzing Apis Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 115,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/fuzzing-apis curl -L https://claudskills.com/skills/fuzzing-apis/SKILL.md \ -o ~/.claude/skills/fuzzing-apis/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/fuzzing-apis/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/fuzzing-apis/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fuzzing-apis\SKILL.md on Windows. See the full install guide for step-by-step instructions.
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 →
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.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
SKILL.md from the source repository to ~/.claude/skills/fuzzing-apis/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.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. Fuzzing Apis is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.If you reference this skill in a blog post, paper, or documentation, you can cite it as:
@misc{fuzzing-apis-2026,
author = {Jeremy Longshore <[email protected]>},
title = {Fuzzing Apis [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/fuzzing-apis/}
}Grade A · scanned 2026-06-13 — free static scan against the OWASP Agentic Skills Top 10.
The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.
Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:
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SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.