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Discover the toolingbehind modern intelligence

The operating system for AI infrastructure discovery. Search a live map of MCP servers, AI agents, LLM tools, automation systems, and developer infrastructure.

 
 
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theskillcity

Discover the toolingbehind modern intelligence

A live, classified map of MCP servers, AI agents, LLM tooling, automation systems, and developer infrastructure — searchable in one place.

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A live, classified index of the open-source tooling behind modern AI — MCP servers, AI agents, LLM tooling, automation systems, skills and developer infrastructure — all searchable and mapped in one place. The homepage cityscape lets you explore by category; everything else is a click away.

0skills
0MCP servers
0agents

Browse by domain — interactive skyline. Each building links to a domain.

DEVTOOLSLLMAGENTSAUTOMATIONWORKCLOUDWRITINGSECURITYWEB/APPMEDIADATA/ML
178All domains

Security Engineering

178

Penetration testing, security auditing, cryptography, encryption, and network security utilities.

Specializations

AllPentesting & Offensive210 reposVulnerability Scanning178 reposGeneral153 reposAuth & Identity85 reposSecrets & Compliance71 reposCryptography35 repos
0specializations
0repos
0skills
0MCP servers
0agents
trailofbits

skills

trailofbits
MCP + SKILL

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

Security Engineering#agent-skills
5.6k484Python
snyk

agent-scan

snyk
MCP + SKILL

Security scanner for AI agents, MCP servers and agent skills.

Security Engineering#agent#ai
2.6k232Python
shuvonsec

claude-bug-bounty

shuvonsec
SKILL

AI-powered bug bounty hunting from your terminal - recon, 20 vuln classes, autonomous hunting, and report generation. All inside Claude Code.

Security Engineering#ai-security#bug-bounty
2.3k403Python
cisco-ai-defense

skill-scanner

cisco-ai-defense
SKILL

Security Scanner for Agent Skills

Security Engineering#agent#agent-skills
2.1k259Python
mukul975

cve-mcp-server

mukul975
MCP

Production-grade MCP server giving Claude 27 security intelligence tools across 21 APIs — CVE lookup, EPSS scoring, CISA KEV, MITRE ATT&CK, Shodan, VirusTotal, and more.

Security Engineering#cisa-kev#claude-ai
1.0k159Python
cisco-ai-defense

mcp-scanner

cisco-ai-defense
MCP

Scan MCP servers for potential threats & security findings.

Security Engineering#agents#ai
953114Python
asaotomo

FofaMap

asaotomo
MCP

FofaMap v2.0 是一款基于 Python3 开发的全网首个 AI 驱动红队资产测绘智能体。在延续原有 FOFA 数据采集、存活检测、统计聚合、图标 Hash 及批量查询等核心功能的基础上,2.0 版本原生支持 MCP 协议,可无缝接入 Cursor、Claude 等 AI 平台。其核心内置了 AI 自我反思机制,能根据查询结果自动调优语法,并智能联动 Nuclei 推荐精准扫描策略,实现从“被动采集”到“主动智能决策”的红队作业进化。

Security Engineering#ai-agent#asset-mapping
66788Python
Pantheon-Security

medusa

Pantheon-Security
MCP

AI-first security scanner with 76 analyzers, 9,600+ detection rules, and repo poisoning detection for AI/ML, LLM agents, and MCP servers. Scan any GitHub repo with: medusa scan --git user/repo

Security Engineering#agent-security#ai-security
592107Python
FuzzingLabs

mcp-security-hub

FuzzingLabs
MCP

A growing collection of MCP servers bringing offensive security tools to AI assistants. Nmap, Ghidra, Nuclei, SQLMap, Hashcat and more.

Security Engineering#ai#claude
55975Python
FrancescoStabile

numasec

FrancescoStabile
SKILL

The AI Agent for Cyber Security.

Security Engineering#ai-agent#ai-security
39248TypeScript
berabuddies

Semia

berabuddies
SKILL

Semia, security audit for AI agent skills.

Security Engineering#claude-code#codex
36257Python
getagentseal

agentseal

getagentseal
MCP

Security toolkit for AI agents. Scan your machine for dangerous skills and MCP configs, monitor for supply chain attacks, test prompt injection resistance, and audit live MCP servers for tool poisoning.

Security Engineering#agent-security#ai-agent
28138Python
HeadyZhang

agent-audit

HeadyZhang
MCP + SKILL

Static security scanner for LLM agents — prompt injection, MCP config auditing, taint analysis. 51 rules mapped to OWASP Agentic Top 10 (2026). Works with LangChain, CrewAI, AutoGen.

Security Engineering#ai-agent#ai-security
17821Python
aliyun

alibabacloud-ecs-troubleshoot-skills

aliyun
SKILL

Troubleshooting skills for Alibaba Cloud ECS

Security Engineering#agent#agent-skills
15612Python
AgentSecOps

SecOpsAgentKit

AgentSecOps
SKILL

Security operations toolkit for AI coding agents. Give Claude Code 25+ skills to catch vulnerabilities, scan containers, detect secrets, and enforce policies automatically.

Security Engineering#agents#ai-agents
15325Python
makalin

SecureMCP

makalin
MCP

SecureMCP is a security auditing tool designed to detect vulnerabilities and misconfigurations in applications using the [Model Context Protocol (MCP)](https://modelcontextprotocol.io/introduction). It proactively identifies threats like OAuth token leakage, prompt injection vulnerabilities, rogue MCP servers, and tool

Security Engineering#ai-security#cli-tool
14018Go
w0h1v

mcp-shodan

w0h1v
MCP

MCP server for Shodan — search internet-connected devices, IP reconnaissance, DNS lookups, and CVE/CPE vulnerability intelligence. Works with Claude Code, Codex, Gemini CLI, and Claude Desktop.

Security Engineering#ai-tools#claude
13524TypeScript
BurtTheCoder

mcp-shodan

BurtTheCoder
MCP

MCP server for Shodan — search internet-connected devices, IP reconnaissance, DNS lookups, and CVE/CPE vulnerability intelligence. Works with Claude Code, Codex, Gemini CLI, and Claude Desktop.

Security Engineering#ai-tools#claude
13424TypeScript
sinewaveai

agent-security-scanner-mcp

sinewaveai
MCP + SKILL

Security scanner MCP server for AI coding agents. Prompt injection firewall, package hallucination detection (4.3M+ packages), 1000+ vulnerability rules with AST & taint analysis, auto-fix.

Security Engineering#agent-security#ai-security
11011JavaScript
davidmatousek

tachi

davidmatousek
SKILL

Threat modeling and AI-reasoning vulnerability detection harness for Claude Code — STRIDE + AI + MAESTRO

Security Engineering#agentic-security#ai-security
7518Python
aisa-group

skill-inject

aisa-group
SKILL

Skill-Inject: Measuring Agent Vulnerability to Skill File Attacks

Security Engineering#agent-skills#ai-safety
742Python
XiaoYiWeio

deepsafe-scan

XiaoYiWeio
AGENT

Universal preflight security scanner for AI coding agents — Detects hooks injection, credential exfiltration & backdoors in .cursorrules, CLAUDE.md, AGENTS.md and more.

LLM & GenAI Engineering#ai-agents#aisecurity
7110Python
kaivyy

perseus

kaivyy
SKILL

AI-powered security assessment SKILLS for your codebase. Multi-language (JS, Go, Python, Rust, Java, PHP, Ruby, C#). Works with Claude Code, Codex, OpenCode, etc.

Security Engineering#ai-security#claude
6614Shell
juliensimon

cache-commander

juliensimon
MCP

Cache Commander — a TUI and MCP server to explore, audit, and clean developer cache directories. Scan for CVEs, find outdated packages, reclaim disk space. Supports pip, npm, Cargo, HuggingFace, Homebrew, and more.

Security Engineering#cache#cargo
655Rust