Best X AI Skills & MCP Servers

FreeRide — Project knowledge for AI agent workflows. MCP server that gives AI coding agents persistent memory across sessions.

Intlayer MCP server. Handle MCP to help IDE to use Intlayer. It build, fill, pull, push, dictionaries

A Model Context Protocol server that provides web content fetching capabilities

Autonomous demo agent for SaaS products — MCP server for Claude Code, Claude Desktop, Cursor, Windsurf, and any MCP-compatible agent. Discovers, integrates, and runs AI-guided product demos. Starts in onboarding mode with no API key so the calling agent c

Lightweight MCP server that maps icon keywords to Remix Icon metadata.

MCP server for AI-powered i18n file translation. Translates JSON, CSV, Android XML, iOS .strings, PO, and XLIFF into 29 languages.

Validate, auto-fix, and package HTML5 ad creatives for Google Ads, DV360, Doubleclick, Sizmek, Adform, and any IAB-standard platform. CLI, CI/CD, and MCP server for Cursor.

Postals — the agent skill that turns any AI into a direct mail machine. One MCP tool call mails a physical handwritten postcard (real pen-and-ink, USPS 3-5 day delivery, $4.99 per card). Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangC

MCP server for GetCourse API — users, deals, create/update users. 3 tools. API key as query param.

MCP server for EPWForge — generate, morph, and download EPW weather files for EnergyPlus, OpenStudio, IES VE, and eQUEST. TMYx, AMY, CMIP6 future-climate scenarios, and wildfire smoke overlays for AI agents.

Convert Mermaid diagrams to Excalidraw and open in browser. Includes MCP server for AI assistants.

DeukPack — Universal schema multi-hub for Protobuf, Thrift, OpenAPI, and .deuk. Protobuf-aligned wire; fast C#/C++/JS codegen.

Pay-per-fetch MCP server. Agent wallet pays $0.005 USDC on Base (or XRP on XRPL Mainnet) per call via the x402 protocol. Returns clean markdown. No accounts, no API keys, no humans in the loop.

Deterministic QA plugin for Claude Code — CRAP index, Technical Debt Ratio, tree-sitter AST, SARIF 2.1.0, hooks, and a local Vue dashboard.

Help LLMs to understand your Next.js project better

Complete Model Context Protocol (MCP) server for Apple's App Store Connect API — 1221 tools, 100% coverage. TestFlight, Xcode Cloud, Game Center, App Clips, in-app purchases, subscriptions, analytics, review submissions, provisioning. Works with Claude, C

Agent-optimized MCP server for extracting clean, structured content from web pages - built specifically for AI agents that need LLM-friendly web data

MCP server for the LaunchNotes API

MCP server for P2P file transfer (Perkoon) — adds send_file, receive_file, check_session as native tools for Claude, Cursor, VS Code, Windsurf, and any MCP-compatible agent. Auto-attributes traffic via PERKOON_SOURCE=agent_mcp. Files transfer directly via

Persistent memory for AI coding sessions — captures what agents can't infer from code alone. Works with Copilot, Cursor, Claude, and Windsurf.

MCP server for AgentPay — the payment gateway for autonomous AI agents. Discover, provision, and pay for MCP tool APIs. Includes reliability monitoring with circuit breakers and health metrics.

YYC³ AI Family MCP Server 集合 — 8个即插即用的 Model Context Protocol Server

Search your Notion, Slack, GitHub, and Google Drive from your AI agent. One command setup. Works with Claude Code, Cursor, and any MCP client.

MCP server for deep web search using @just-every/search