theskillcity
API KeyMarkdownProject ModeMarket SkillsDocsWorkspace

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.

 
 
In active build — expect changes
Indexing Status

Find your way around

© 2026 theskillcity · Independent open-source indexBuilt in public · v0 beta
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.

⌘K
TrendingRecent

FAQ

Frequently asked questions

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
732All domains

Security Engineering

732

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
casdoor

casdoor

casdoor
MCP

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD

Security Engineering#agent#agentic-ai
13.7k1.7kGo
0x4m4

hexstrike-ai

0x4m4
MCP

HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug bounty automation, and security research. Seamlessly bridge LLMs with real-world offensive security capabilities.

Security Engineering#0x4m4#ai
9.0k1.9kPython
anthropics

defending-code-reference-harness

anthropics
SKILL

Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize

Security Engineering#security
5.8k413Python
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
wgpsec

ENScan_GO

wgpsec
MCP

一款基于各大企业信息API的工具,解决在遇到的各种针对国内企业信息收集难题。一键收集控股公司ICP备案、APP、小程序、微信公众号等信息聚合导出。支持MCP接入

Security Engineering#app#cyber-security
4.4k421Go
Ed1s0nZ

CyberStrikeAI

Ed1s0nZ
MCP + SKILL

CyberStrikeAI is an AI-native security testing platform built in Go. It integrates 100+ security tools, an intelligent orchestration engine, role-based testing with predefined security roles, a skills system with specialized testing skills, and comprehensive lifecycle management capabilities.

Security Engineering#ai#ai-agents
4.1k697Go
intuitem

ciso-assistant-community

intuitem
MCP + SKILL

CISO Assistant is a one-stop-shop GRC platform for Risk Management, AppSec, Compliance & Audit, TPRM, BIA, Privacy, and Reporting. It supports 150+ global frameworks with automatic control mapping, including ISO 27001, NIST CSF, SOC 2, CIS, PCI DSS, NIS2, DORA, GDPR, HIPAA, CMMC, and more.

Security Engineering#audit#automation
4.1k733Python
GH05TCREW

pentestagent

GH05TCREW
MCP

PentestAgent is an AI agent framework for black-box security testing, supporting bug bounty, red-team, and penetration testing workflows.

Security Engineering#ai#ai-agents
2.6k513Python
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
beelzebub-labs

beelzebub

beelzebub-labs
MCP

A secure low code deception runtime framework, leveraging AI for System Virtualization.

Security Engineering#acis#agentic-ai-security
2.0k198Go
0xSteph

pentest-ai-agents

0xSteph
AGENT

Turn Claude Code into your offensive security research assistant. Specialized AI subagents for authorized penetration testing plan engagements, analyze recon, research exploits, build detections, audit STIGs, and write reports.

Security Engineering#ai-agents#ai-security
1.6k336Shell
BlackSnufkin

LitterBox

BlackSnufkin
MCP

A self-hosted sandbox for red teams to test payloads against modern detection before deployment. MCP integration lets an LLM agent drive analysis end to end.

Security Engineering#ai#docker-compose
1.4k161YARA
wgpsec

AboutSecurity

wgpsec
SKILL

Everything for pentest. | 渗透测试知识库,以 AI Agent 可执行的格式沉淀安全方法论。

Security Engineering#bounty#bypass
1.4k223Python
six2dez

burp-ai-agent

six2dez
MCP

Burp Suite extension that adds built-in MCP tooling, AI-assisted analysis, privacy controls, passive and active scanning and more

Security Engineering#ai#appsec
1.1k181Kotlin
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
slowmist

MCP-Security-Checklist

slowmist
MCP

A comprehensive security checklist for MCP-based AI tools. Built by SlowMist to safeguard LLM plugin ecosystems.

Security Engineering
82771
BrownFineSecurity

iothackbot

BrownFineSecurity
SKILL

IoT HackBot: A collection of Claude Skills and custom tooling for hybrid IoT pentesting

Security Engineering
764117Python
Wh0am123

MCP-Kali-Server

Wh0am123
MCP

MCP configuration to connect AI agent to a Linux machine.

Security Engineering#kali-tools#mcp
699143Python
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
Sushegaad

Claude-Skills-Governance-Risk-and-Compliance

Sushegaad
SKILL

Claude Skills for Governance, Risk, & Compliance (GRC): Expert-level compliance guidance for ISO 27001, SOC 2, FedRAMP, GDPR, HIPAA, NIST CSF, PCI DSS, EU AI Act, ISO 42001, ISO 27701, DORA, CSRD, India's DPDPA, CMMC 2.0, NIST AI Risk, SWIFT, Australia's ISM, EU NIS2, and CCPA/CPRA. Benchmark 97% (with skills) vs 81% (

Security Engineering#claude-ai#claude-skills
630133HTML
cyproxio

mcp-for-security

cyproxio
MCP

MCP for Security: A collection of Model Context Protocol servers for popular security tools like SQLMap, FFUF, NMAP, Masscan and more. Integrate security testing and penetration testing into AI workflows.

Security Engineering#ai-assistants#ai-security
61698TypeScript