MCPwner: Model Context Protocol server for autonomous vulnerability discovery

by nedlir · MCP Server · ★ 56

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install MCPwner

git clone https://github.com/nedlir/mcpwner.git

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 61/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars56
Forks9
LanguagePython
CategoryMCP Server
LicenseApache-2.0
Quality Score61/100
Last Updated2026-08-20
Created2026-01-23
Platformsmcp, python
Est. Tokens~18k

About MCPwner

MCPwner Beware the Badger Model Context Protocol server for autonomous security research Compatible with: Table of Contents Overview Workflow Integrated Tools Installation Documentation Architecture Data Persistence

Compatible Skills

These tools work well together with MCPwner for enhanced workflows:

  • MCPwner — semantic(1.00)+same_lang+similar_pop+shared_platform (60%)
  • zendesk-mcp-server — semantic(0.68)+same_lang+similar_pop+shared_platform (59%)
  • raptor-loop-hunt — semantic(0.25)+complementary+same_lang+similar_pop+shared_platform (59%)
  • magpie — semantic(0.19)+complementary+same_lang+similar_pop+shared_platform (57%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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