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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.

Fetch Node

MCP Registry

A Model Context Protocol server that provides web content fetching capabilities

MCP Registry · ★ 5.0free

Google Calendar

MCP Registry

MCP server that provides google calendar capabilities

MCP Registry · ★ 5.0free

Openmemory

MCP Registry

MCP server for memory management with long-term and short-term memory capabilities using local database

MCP Registry · ★ 5.0free

Authentik Diag

MCP Registry

MCP server for Authentik API with diagnostic and read-only capabilities

MCP Registry · ★ 5.0free

Google Drive

MCP Registry

Advanced MCP server for Google Drive integration with full CRUD operations, file management, and sharing capabilities. Supports both OAuth2 and Service Account authentication.

MCP Registry · ★ 5.0free

Server Atlassian Jira

MCP Registry

Node.js/TypeScript MCP server for Atlassian Jira. Equips AI systems (LLMs) with tools to list/get projects, search/get issues (using JQL/ID), and view dev info (commits, PRs). Connects AI capabilities directly into Jira project management and issue tracki

MCP Registry · ★ 5.0free

Zentao Agent

MCP Registry

Seamlessly integrate ZenTao with OpenClaw. A powerful MCP server and CLI tool providing intelligent ChatOps capabilities for ZenTao project management.

MCP Registry · ★ 5.0free

Crixin

MCP Registry

The MCP toolkit for AI agents. Voice MCP gives your AI a phone line through your own Twilio. Coder MCP gives it a memory across every Claude Code, Codex CLI, and Cursor session. One npm package, two capability modules, local SQLite, no SaaS in the middle.

MCP Registry · ★ 5.0free

Mistral

MCP Registry

MCP server exposing Mistral AI capabilities over MCP: chat, embeddings, FIM, vision, OCR, audio, agents, moderation, classification, files, batch, workflows, sampling, prompts, resources, and Streamable HTTP.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server exposing sensegrep capabilities to AI coding assistants.

MCP Registry · ★ 5.0free

Clickup

MCP Registry

ClickUp MCP Server - Powering AI Agents with full ClickUp task, document, and chat management capabilities.

MCP Registry · ★ 5.0free

Emailverify

MCP Registry

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

MCP Registry · ★ 5.0free

Grok

MCP Registry

An MCP server for xAI (Grok) with search and generation capabilities.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server providing persistent memory capabilities for AI assistants like Claude

MCP Registry · ★ 5.0free

Nowaikit

MCP Registry

The Most Comprehensive ServiceNow AI Toolkit — 400+ MCP tools + 26 AI capabilities (scan, review, build, ops, docs) + direct BYOK mode. Integrates with Claude, ChatGPT, Gemini, Cursor, GitHub Copilot and any LLM.

MCP Registry · ★ 5.0free

Server

MCP Registry

Unfragile MCP Server — agent-native discovery, trust, and routing for AI artifacts. Implements the Unfragile Capability Protocol v1.

MCP Registry · ★ 5.0free

Debugger Server

MCP Registry

Enterprise-grade MCP server providing advanced debugging capabilities for Node.js and JavaScript applications via Chrome DevTools Protocol. Features 25+ debugging tools including breakpoints, variable inspection, execution control, CPU/memory profiling, h

MCP Registry · ★ 5.0free

Imap Email

MCP Registry

MCP server for Claude Code that provides email capabilities through IMAP/SMTP. Read, search, compose, and manage emails from any IMAP provider.

MCP Registry · ★ 5.0free

Observatory

MCP Registry

Test your MCP servers for breaking changes. Checks capabilities, invokes tools, detects schema drift between versions.

MCP Registry · ★ 5.0free

Hal

MCP Registry

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models with OpenAPI/Swagger integration

MCP Registry · ★ 5.0free

Qr Code Ai

MCP Registry

Qr Code Ai tools for AI agents. Capabilities: generate qr data, decode qr data, create vcard qr. Built by MEOK AI Labs.

MCP Registry · ★ 5.0free

Doc Forge

MCP Registry

MCP server that provides doc forge capabilities

MCP Registry · ★ 5.0free

Lead Scoring Ai

MCP Registry

Lead Scoring Ai tools for AI agents. Capabilities: score lead, add lead, update lead activity. Built by MEOK AI Labs.

MCP Registry · ★ 5.0free

Proofof Ai

MCP Registry

Proofof Ai tools for AI agents. Capabilities: verify text origin, detect deepfake image, generate content certificate. Built by MEOK AI Labs.

MCP Registry · ★ 5.0free

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.