Best Ar AI Skills & MCP Servers

MCP server for efficient PDF text extraction, search, and metadata retrieval for Claude Code

MCP server exposing knowledge search tools for AI coding assistants

Shared TypeScript types and x402 payment-flow utilities for @xenarch/agent-mcp — Xenarch's non-custodial x402 MCP server.

Crystallize MCP — headless commerce tools for AI agents. Browse catalogue, search products, inspect shapes, manage orders via Model Context Protocol.

MCP server that manages your other MCP servers — wrap, restart, add, remove, and health check from within Claude Code.

GARL Protocol MCP Server — cryptographic verification for AI agent actions. 28 named tools: submit signed Action Receipts (v0.1), query multi-dimensional Trust Vector, issue/verify/revoke capability tokens (JWT-shaped + ECDSA-secp256k1), Capability Gate p

MCP server for PDF manipulation — 22 tools: render pages to images for vision, Markdown/template→PDF, AES-256 encrypt, form-preserving merge/split, fill forms, search, compare, QR codes, watermark. Zero-config, TypeScript-native.

Persistent sequential thinking MCP — chain-of-thought reasoning that survives sessions, resumes across agents, and saves conclusions as plan artifacts. Powered by ZeroDB. Zero-config: agents self-provision a ZeroDB account on first run, no signup required

Non-custodial x402 MCP server for AI agents. Lets Claude, Cursor, LangChain and CrewAI pay for HTTP 402–gated APIs with USDC micropayments on Base L2. Unlike Cloudflare Pay-Per-Crawl, works on any host and settles agent-to-publisher direct.

MCP server for MarkView — preview Markdown files in a native macOS viewer

Licium SDK — search resources, delegate to agents, run sandbox tests, connect to MCP servers dynamically

MCP server for Wildberries Seller API — 15 tools: products, prices, stocks, orders, sales, supplies, ABC analysis. Production-grade rate limiting (409 penalty protection).

Opt-in UI/UX master skill, CLI, and MCP server for AI coding agents, with accessibility, design-system, UX research, and frontend handoff workflows.

MCP server for markdown files — search, extract sections, list headings, find code blocks across your docs directory

MCP server — copilot de estrutura para vibe coders

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

MCP server for ArcBridge — exposes architecture tools to AI coding agents

Official MCP server for IP geolocation, IP security, abuse contacts, ASN, timezone, astronomy, and user-agent parsing.

Official Browser Use MCP server for real-time web data access via the Browser Use API.

MCP server for AI agent component discovery

Alaya MCP Server — a memory engine for AI agents that remembers, forgets, and learns

Access US federal award, recipient, agency, and spending analytics data from USAspending.gov via MCP. STDIO or Streamable HTTP.

Cloudflare runtime adapter for MCP servers built with ModelFetch

MCP server that runs Claude Code as tools — start coding agents, poll their progress, and control permissions from any MCP client