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The definitive directory for the AI agent ecosystem

Search across 50+ directories. Security-scored. Cross-referenced.

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@sschepis/alephnet-node

lonestar108

AlephNet Node - Semantic computing, social network, and Coherence verification for AI agents

SkillAI SDK Provider
323K3 dirs

n8n

6a01de90-15be-4d9a-9148-debef44f9576

No description available

MCP ServerAutonomous agents
204K3 dirs

@n8n/ai-utilities

GitHub Actions

Utilities for building AI nodes in n8n

MCP Servern8n Node
180K28K/wk4 dirs

Awesome ChatGPT Prompts

A collection of prompt examples to be used with the ChatGPT model.

AgentPrompt Engineering
153K3 dirs

dify

7ac6f18e-2dcd-45db-bfcb-0b3424584848

No description available

MCP ServerServices
133K3 dirs

langchain-xai

cyberdude

Grok API wrapper for Node.js

SkillLLM Framework
130K3 dirs

langchain

Erick Friis <[email protected]>

Building applications with LLMs through composability

AgentDeveloper tools
130K2.4M/wk5 dirs

markitdown

Adam Fourney <[email protected]>

Utility tool for converting various files to Markdown

MCP ServerEverything to Markdown to LLMs
91K3 dirs

Recent Additions

@adyen/bento-mcp

adyencom

A Model Context Protocol server implementation for Bento

MCP Servermcp
1 dir

react-devtools-cdt-mcp

hoxyq

Browser library that registers React inspection and profiling tools with chrome-devtools-mcp

MCP Servermcp
1 dir

work-it-platform-mcp

chrome-consulting

MCP-интерфейс Work-IT: задачи, инциденты и управляемое продолжение сессий

MCP Servermcp
1 dir

harborrag-mcp-server

MCP facade and audited tools for HarborRAG.

MCP Servermcp
1 dir

harborrag-adapters

Provider adapters for HarborRAG.

Skillai-ml
1 dir

rememory-mcp

reva-app

MCP server for ReMemory sync folders (stdio)

MCP Servermcp
1 dir

nerdychefs-mcp

Mathieu Kessler

MCP tools for the NerdyChefs.ai prompt library

MCP Servermcp
1 dir

siyuan-plugins-mcp-sisyphus

Taihong Yang

Let AI control your notes with a SiYuan MCP server that exposes 14 aggregated tools with action-level routing, including document timeline diff and official plugin tool bridging.

...more
MCP Servermcp
1 dir

How It Works

Skillful.sh aggregates data from every major directory and registry in the AI agent ecosystem into one searchable directory.

Step 1

Aggregate

We crawl and sync data from 50+ directories, registries, and package managers across the AI agent ecosystem.

Step 2

Analyze

Every tool is security-scored, categorized, and cross-referenced across all sources for comprehensive coverage.

Step 3

Display

Browse, search, and compare tools with detailed profiles showing directory presence, stats, and security grades.

Understanding the AI Agent Ecosystem

The building blocks powering the next generation of AI applications

221,955MCP Servers

What Are MCP Servers?

Model Context Protocol (MCP) servers are standardized interfaces that let AI models interact with external tools and data sources -- bridging large language models with file systems, databases, APIs, and web services. Originally developed by Anthropic, MCP has become the dominant protocol for extending AI agent capabilities.

325,696AI Skills

AI Skills and Agent Capabilities

AI skills are modular capabilities that extend AI agents and language models. Unlike MCP servers which follow a specific protocol, skills encompass custom tool definitions, function calling schemas, and plugin architectures across multiple platforms -- giving developers a unified view rather than searching dozens of disconnected registries.

A+ to FSecurity Grades

Security Scoring for AI Tools

Every indexed tool undergoes automated security analysis covering code quality, dependency vulnerabilities, maintenance frequency, license compliance, and known CVEs. AI agents that execute code or install packages on behalf of users introduce supply-chain risk -- security grades help developers quickly identify trustworthy tools for production use.

55+Data Sources

Cross-Directory Aggregation

A single MCP server might be listed on the official registry, published on npm, hosted on GitHub, and curated in multiple community directories. Skillful.sh aggregates and cross-references tools from 55+ sources into one unified directory with live GitHub stats, package registry downloads, and cross-listing data so you can gauge true ecosystem adoption.

The Growth of the AI Agent Ecosystem

From a few hundred MCP servers at the start of 2025, the ecosystem now includes over 572,607 tools spanning MCP servers, AI skills, and autonomous agents. Skillful.sh tracks this growth in real time with ecosystem statistics, trending tools, and growth charts that show how the landscape is evolving week by week.

Ready to explore the ecosystem?

Browse thousands of MCP servers, skills, and agents. All in one place.