ClaudSkills / Security / network-security

API Mitmproxy

Quality score: 70/100  ·  Category: Security  ·  Sub-category: network-security
lang:pythontype:integration
Interactive HTTPS proxy for API security testing with traffic interception, modification, and replay capabilities. Supports HTTP/1, HTTP/2, HTTP/3, WebSockets, and TLS-protected protocols. Includes Python scripting API for automation and multiple interfaces (console, web, CLI). Use when: (1) Intercepting and analyzing API traffic for security testing, (2) Modifying HTTP/HTTPS requests and responses to test API behavior, (3) Recording and replaying API traffic for testing, (4) Debugging mobile app or thick client API communications, (5) Automating API security tests with Python scripts, (6) Exporting traffic in HAR format for analysis.

What this skill does

API Mitmproxy is a production-ready Claude Code skill (quality score 70/100) in the network-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/api-mitmproxy/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when: (1) Intercepting and analyzing API traffic for security testing, (2) Modifying HTTP/HTTPS requests and responses to test API behavior, (3) Recording and replaying API traffic for testing, (4) Debugging mobile app or thick client API communications, (5) Automating API security tests with Python scripts, (6) Exporting traffic in HAR format for analysis.

Who uses this skill

The API Mitmproxy skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/api-mitmproxy
curl -L https://claudskills.com/skills/api-mitmproxy/SKILL.md \
  -o ~/.claude/skills/api-mitmproxy/SKILL.md

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

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

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

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