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mcp-server-pentest

Pentest an MCP server for authentication bypass, confused-deputy SSRF, and tool-argument injection - black-box from its URL, deeper with repo or host access. Use to assess an MCP server's exposure.

skills/llms/mcp-server-pentest/SKILL.md

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Source commit 0c1bc93fd5124e7a862d61c1b434f32ba8790e3a

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
Yes
Repository scan complete
No
Skill scan complete
No
Observed behavior
Network or broad shell
Last checked
Nov 5, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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Repository context

Repository stars (not skill ratings)
153
Repository last updated
Nov 7, 2026
License
MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

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## Contents
- Scope & authorization (blast-radius labels)
- Input modes: what a URL gets you, what a repo adds
- Passive:
  1. Inventory & transport fingerprint
  2. Destination-shaped tool parameters
  3. Credential scope & identity blast radius
  4. Config & secret storage *(repo/host only)*
- Active:
  5. Session forgery, unauthenticated access & reachability
  6. Confused-deputy SSRF via caller-chosen destination
  7. Tool-argument injection
- False-positive gates
- Runnable snippets