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Independent project, not affiliated with Anthropic
yaklang avatar

Api Sec

yaklang/hack-skills
2.8k installs1.6k stars
Summary

This is a triage router that helps you figure out which API security testing path to take before diving deep. It splits API work into four lanes: recon and docs (Swagger, OpenAPI), authorization bugs (BOLA, BFLA), token abuse (JWT manipulation, header trust), and GraphQL plus hidden parameters. The quick triage table is genuinely useful if you're staring at API traffic and need to decide where to start. It won't do the testing for you, but it keeps you from wandering into JWT attacks when the real issue is a missing object-level check. Think of it as a decision tree that saves you from testing everything at once.

Install to Claude Code

npx -y skills add yaklang/hack-skills --skill api-sec --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
Categories
Backend & APIsSecurity
First SeenMay 16, 2026
View on GitHub

More from yaklang/hack-skills

All 102 skills →
  • Xss Cross Site Scripting2.8k
  • Recon And Methodology2.7k
  • Business Logic Vulnerabilities2.7k
  • Ssrf Server Side Request Forgery2.7k
  • Api Recon And Docs2.7k
  • Api Auth And Jwt Abuse2.7k
  • Authbypass Authentication Flaws2.7k
  • Jwt Oauth Token Attacks2.7k
  • Websocket Security2.6k
  • Idor Broken Object Authorization2.6k
  • 401 403 Bypass Techniques2.6k
  • Waf Bypass Techniques2.6k
  • Auth Sec2.6k
  • Injection Checking2.6k
  • Kubernetes Pentesting2.6k
  • Api Authorization And Bola2.6k
  • Recon For Sec2.6k
  • Heap Exploitation2.6k
  • Traffic Analysis Pcap2.6k
  • Csrf Cross Site Request Forgery2.6k
  • Oauth Oidc Misconfiguration2.6k
  • Cors Cross Origin Misconfiguration2.6k
  • Business Logic Vuln2.6k
  • Ios Pentesting Tricks2.6k

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