iClaude
Category

Best Capabilities AI Skills & MCP Servers

58 curated Capabilities skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Seracade

MCP Registry

Seracade is a drop-in OpenAI-compatible routing proxy for AI agent teams. Six named capabilities: Call (every request, addressable and replayable), Step (sub-Call routing context inside agent trajectories), Quality Score (calibrated, version-stamped quali

MCP Registry · ★ 5.0free

Fetch Node

MCP Registry

A Model Context Protocol server that provides web content fetching capabilities

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP Server for Z.AI - A Model Context Protocol server that provides AI capabilities

MCP Registry · ★ 5.0free

Verify

Smithery

Discover and evaluate technical resources by searching based on capabilities, security preferences, and risk levels. Compare multiple options side-by-side to determine which best fits specific workflows or security standards. Receive tailored recommendations for tasks to streamli

Smitheryfree

DuckDuckGo & Felo AI Search

Smithery

Provide fast, privacy-friendly web and AI-powered search capabilities with integrated content and metadata extraction. Enhance your AI assistants by enabling comprehensive web scraping without requiring API keys. Optimize performance with caching and secure usage through rate lim

Smitheryfree

UCP Checker

Smithery

A universal commerce gateway for AI agents to interact with UCP-enabled stores. Enables live product discovery, real-time catalog search, and checkout generation across verified Shopify stores (e.g., Allbirds, Gymshark). Use this to find products, verify merchant capabilities, an

Smitheryfree

Clear Thought Server

Smithery

Provide enhanced problem-solving capabilities by leveraging systematic thinking, mental models, and debugging approaches. Enable structured reasoning and decision-making support for complex challenges. Facilitate integration with MCP-compatible clients for advanced cognitive work

Smitheryfree

strale

Smithery

270+ quality-scored API capabilities for AI agents — compliance, company data, financial validation, web intelligence across 27 countries.

Smitheryfree

Visualization Charts Server

Smitheryverified

A Model Context Protocol server for generating charts using AntV, This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools.

Smitheryfree

Math-MCP

Smithery

Enable your LLMs to perform accurate numerical calculations with a simple API. Leverage basic arithmetic and statistical functions to enhance your applications. Simplify complex mathematical tasks effortlessly and improve your model's capabilities.

Smitheryfree

About Capabilities skills on iClaude

iClaude is the universal install layer for AI skills. Every Capabilities skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.