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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
64All domains

Developer Tooling

64

CLIs, IDE & editor integrations, git/GitHub, linters, file ops, terminals, and MCP SDKs.

Specializations

AllMCP SDKs & Servers25.9k reposTerminals & Shells609 reposEditors & IDEs416 reposGit & GitHub354 reposGeneral199 reposTesting & Debugging77 reposLinters & Formatters64 repos
0specializations
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0skills
0MCP servers
0agents
Dicklesworthstone

ultimate_bug_scanner

Dicklesworthstone
SKILL

Static analysis tool that catches 1000+ bug patterns across all popular programming languages, with auto-wiring into AI coding agent quality guardrails

Developer Tooling#agent-tools#ai-agents
24734Shell
joshft

correctless

joshft
SKILL

The agent that writes the code never reviews it. Spec-driven TDD with agent separation, adversarial QA, and dynamic rigor for Claude Code.

Developer Tooling#ai-development#ai-workflow
612Shell
MerlijnW70

sota-scan

MerlijnW70
AGENT

Is your project as good as the best out there? sota-scan benchmarks your repo against real top projects and hands you a scorecard + to-do list. A Claude Code skill.

Developer Tooling#ai-agents#anthropic
334JavaScript
hoblin

claude-ruby-marketplace

hoblin
SKILL

Claude Code plugin marketplace for Ruby and Rails development

Developer Tooling#activerecord#ai-tools
324Ruby
jazzychad

ios-code-audit

jazzychad
SKILL

Agent skill for comprehensive ios codebase audit

LLM & GenAI Engineering
260
majiayu000

vibeguard

majiayu000
SKILL

Native rules, hooks, and guards that prevent Claude Code and Codex from hallucinating code, duplicating files, or shipping unverified changes.

Developer Tooling#agent-harness#agentic-engineering
233Shell
doraemonkeys

sloc-guard

doraemonkeys
SKILL

🛡️ High-performance Rust CLI that enforces SLOC limits and directory structure rules to prevent code bloat — unlike counters, sloc-guard enforces them

Developer Tooling#ci-cd#cli
212Rust
londey

claude-skill-verilog

londey
SKILL

This repository defines a Claude Code skill for working with Verilog

LLM & GenAI Engineering
151
prodlint

prodlint

prodlint
MCP

Your vibe-coded app has hardcoded secrets, missing auth, and hallucinated imports. Find out in under a second.

Developer Tooling#ai#cli
151TypeScript
0xUXDesign

ai-codebase-boilerplate

0xUXDesign
SKILL

A battle-tested framework for building production-ready code with AI coding agents. TypeScript/React focused. Biome, Knip, Stryker, Lefthook, Claude Code hooks.

Developer Tooling#ai-coding#biome
110Shell
mattsears

rails-cto

mattsears
SKILL

A opiniated skills toolkit for Rails applications

Developer Tooling#claude-code#claude-plugin
110Shell
mesa-dot-dev

saguaro

mesa-dot-dev
SKILL

Local AI code review for coding agents. Rules enforced inside Claude Code, Codex, and Cursor. Free, open-source, fully local.

Developer Tooling#ai#ai-code-review
101TypeScript
nedcodes-ok

cursor-doctor

nedcodes-ok
SKILL

Cursor rules linter and auto-fixer. Find out why Cursor ignores your rules. 100+ checks, zero dependencies.

Developer Tooling#ai-coding#cli
92JavaScript
HaasStefan

skills-lint

HaasStefan
SKILL

A Linter for Agent Skills with Token Budget Rules

Developer Tooling#agents#ai
80Rust
etiennemunnich

crs-agent-skill

etiennemunnich
AGENT

Agent skill for writing, validating, testing, and tuning ModSecurity v3, Coraza, and OWASP CRS WAF rules using AI coding assistants.

LLM & GenAI Engineering
71Python
Vincent-crypto-coder

tech-debt-management-skill

Vincent-crypto-coder
SKILL

Hermes Agent skill: 系统化识别、评估、偿还技术债务

LLM & GenAI Engineering#code-quality#code-review
70Python
arielonoriaga

claude-irondev

arielonoriaga
SKILL

Claude Code skills: master-review (5-lens code review) + solid-dev (orchestrated dev cycle with self-review)

LLM & GenAI Engineering
60Shell
FuzulsFriend

vibe-code-health-check

FuzulsFriend
SKILL

Claude Code skill: grades your codebase A through F across 6 health dimensions with plain-English fixes — built for vibe coders and solo founders

Web & App Engineering#claude-code#code-review
60HTML
Alberto-Codes

docvet

Alberto-Codes
SKILL

Comprehensive docstring quality vetting for Python projects

Developer Tooling#ai-agent#ai-coding
60Python
William-Yeh

agent-skill-linter

William-Yeh
SKILL

Lint agent skills for spec compliance and publishing readiness

Developer Tooling
52Python
geekiyer

context-drift

geekiyer
SKILL

Lint your AI context files. Checks CLAUDE.md, AGENTS.md, .cursorrules, and others for dead paths, missing dependencies, stale commands, and cross-file conflicts. Optional AI-powered semantic checks. Drift score included.

Developer Tooling#ai#claude
42TypeScript
designedbysom

accessibility-linter

designedbysom
SKILL

accessibility-linter is a Claude skill that reviews accessibility mid-design, as a craft challenge, not a compliance audit.

Developer Tooling#a11y#accessibility
40
asaf-kali

pimp-my-repo

asaf-kali
SKILL

✨ Instantly modernize any Python repository. Zero-effort linting, typing, and UV integration.

Developer Tooling#developer-experience#developer-tools
40Python
sotayamashita

todo-scan

sotayamashita
SKILL

[Archived] Experimental CLI for TODO scanning — built to explore coding agent collaboration patterns

Developer Tooling#ci-cd#cli
40Rust