Best Ar AI Skills & MCP Servers

Open-source CLI to minimize LLM token usage via smart code context extraction

MCP server for Outlook integration with OAuth authentication, message search, and batch operations

Compile your Markdown vault into a portable agent memory. One build, every agent: Claude, Codex, Cursor, MCP, llms.txt.

MCP Server para la API products-payment-refacil

Screen-reader navigation cost analyzer. Measures how hard it is for AT users to discover, reach, and operate web content.

MCP server for ng-annotate-mcp — exposes Angular browser annotations as MCP tools for AI agents

MiniMax MCP tools for pi - Web search and image understanding via MiniMax's Model Context Protocol

Search and retrieve US court opinions, federal dockets, judge records, citation networks, and oral arguments from CourtListener's 9M+ opinion corpus via MCP. STDIO or Streamable HTTP.

MCP server for .NET — structured build, test, and package data for AI agents

iMessage MCP server — 25 tools for searching, analyzing, and exploring your entire iMessage history on macOS

Comprehensive HTTP fetch MCP server: SSRF protection, HTML-to-markdown, reader-mode, metadata / link / sitemap / RSS-Atom extraction, robots.txt verdicts

ido4 MCP server — context intelligence, task distribution, and governance for AI-hybrid software development in Claude Code

High-performance WebAssembly theorem prover with dependent types, hash-consing (150x faster), Ed25519 proof signatures, MCP support for Claude Code, AgentDB vector search, episodic memory, and ReasoningBank learning. Formal verification with cryptographic

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico via MCP. STDIO or Streamable HTTP.

SDK, CLI, and MCP server for anton.app — track children's learning progress, browse lessons, manage assignments

MCP server for searching academic papers, journals, and citations via the Crossref API

The enrichment-grade MCP server for academic paper search and full-text extraction. For science.

Cognitive architecture for persistent AI agent memory. Knowledge graph with learning retrieval, ACT-R decay, and spreading activation. Markdown-native, local-first, zero cloud. MCP server + CLI.

MCP server with 323 cybersecurity prompts and 7 scenario workflows. Drops into Claude Desktop, Claude Code, Cursor, and other MCP-compatible clients.

MCP server for the Gatefare paid-API marketplace. Works with Claude Desktop, Cursor, Continue, and any MCP client. Pay per API call in USDC on Base via the open x402 standard. Non-custodial.

REPL-sharing MCP server — AI and humans co-drive the same visible terminal. 19 embedded adapters: shells (bash, pwsh, zsh, cmd), language REPLs (Python, Node, Deno, Lua, Racket, CCL/ABCL/SBCL Common Lisp, F# Interactive, jshell, Groovy, SQLite3), and debu

Query U.S. Census Bureau data, variables, and geography via MCP. STDIO or Streamable HTTP.

Solana Token Safety API & MCP Server — rug pull, honeypot, and safety analysis for AI agents

Sayba Skill Market MCP Server — Discover, invoke, publish, and rate AI Agent skills on Sayba