API Fuzzing for Bug Bounty

API Fuzzing for Bug Bounty is a Quality skill for Claude Code, published by zebbern in claude-code-guide.

4.6K stars459 forkson zebbern/claude-code-guideAdded 2026/08/16Repository updated 2026/08/15

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Install in seconds

Install API Fuzzing for Bug Bounty

Copy API Fuzzing for Bug Bounty into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/zebbern/claude-code-guide/tree/main/skills/api-fuzzing-bug-bounty ~/.claude/skills/api-fuzzing-bug-bounty

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/zebbern/claude-code-guide.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/api-fuzzing-bug-bounty/SKILL.md in zebbern/claude-code-guide
Installs to: ~/.claude/skills/api-fuzzing-bug-bounty
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What API Fuzzing for Bug Bounty does

API Fuzzing for Bug Bounty provides techniques for testing REST, SOAP, and GraphQL APIs during bug bounty hunting and penetration testing. Use it to discover vulnerabilities like IDOR, authentication bypass, SQL injection, SSRF, and GraphQL-specific issues.

API Fuzzing for Bug Bounty is cataloged under Quality on DirSkills. API Fuzzing for Bug Bounty comes from a repository tagged ai, ai-agent, ai-agent-tools, anthropic-claude and claude.

Documentation

README

Excerpt

API Fuzzing for Bug Bounty

Purpose

Provide comprehensive techniques for testing REST, SOAP, and GraphQL APIs during bug bounty hunting and penetration testing engagements. Covers vulnerability discovery, authentication bypass, IDOR exploitation, and API-specific attack vectors.

Inputs/Prerequisites

Burp Suite or similar proxy tool
API wordlists (SecLists, api_wordlist)
Understanding of REST/GraphQL/SOAP protocols
Python for scripting
Target API endpoints and documentation (if available)

Outputs/Deliverables

Identified API vulnerabilities
IDOR exploitation proofs
Authentication bypass techniques
SQL injection points
Unauthorized data access documentation

API Types Overview

This is the opening of the README. Read the full README on GitHub.

Commands API Fuzzing for Bug Bounty provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/swagger
/openapi
/api-docs
/swagger-ui
/graphql
/v2
/v3

Frequently asked about API Fuzzing for Bug Bounty

What else does zebbern publish alongside API Fuzzing for Bug Bounty?
API Fuzzing for Bug Bounty is one of 25 skills that DirSkills catalogs from zebbern/claude-code-guide, the repository it ships in. Its siblings there include API Shape Explorer, AWS Penetration Testing and Academic Paper Reviewer. Each one is a separate skill with its own page in this directory, installs the same way API Fuzzing for Bug Bounty does, and is maintained by zebbern in that same repository. The rest of the collection is listed on the zebbern/claude-code-guide page.
How does API Fuzzing for Bug Bounty compare to other Quality skills?
API Fuzzing for Bug Bounty ranks #312 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of API Fuzzing for Bug Bounty against them. Open each page to compare what they document and how they install.