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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
200K3 dirs

@n8n/ai-utilities

GitHub Actions

Utilities for building AI nodes in n8n

MCP Serveruncategorised
180K33K/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
130K2.8M/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

ocular-mcp

xyun1996

MCP server that gives coding agents vision through OpenAI-compatible multimodal models, with reliable binary image uploads for remote deployments.

...more
MCP Servermcp
1 dir

@frutacloud/mcp-engineering-team

yunochen

A platform-agnostic employee-team MCP server for supervised engineering delegation.

MCP Servermcp
1 dir

@stellarpay-sdk/mcp

coderipper-

Per-tool-call payments for MCP servers via Stellar MPP, plus a paying MCP client wrapper.

MCP Serveruncategorised
111/wk1 dir

storage-agent-tui

Storage Agent Contributors

Agentic, safety-first storage analysis and optimization TUI built with Textual and Pi

Agentai-agents
1 dir

observer.remote/remote-observer

Free MCP window into a live autonomous machine-economy experiment: telemetry, hypothesis scoreboard.

MCP Serveruncategorised
1 dir

io.github.Hlobo-dev/tengu-firm

One MCP key: prices, fundamentals, SEC filings, insider/13F/congressional trades. 336 tools.

MCP Serveruncategorised
1 dir

com.publicsignaldata/actors

Polymarket whales & odds, hiring signals, LLC filings, GovCon recompetes, clinical trials on Apify

MCP Serveruncategorised
1 dir

com.aggreigator/pro

Manage AggREIgator buy-boxes and compliant real-estate deal workflows

MCP Serveruncategorised
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

189,346MCP 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.

315,398AI 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 527,235 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.