Best Protocol AI Skills & MCP Servers

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

MCP server for remote operations — structured SSH and rsync output for AI agents

CLI for scaffolding a new MCP server with ModelFetch

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

Memory infrastructure for multi-agent AI systems

MCP server exposing PowForge Depth-of-Identity oracle to Claude Code, Cursor, and any MCP-compatible agent. Three tools: doi_score_lookup (priced via L402), doi_sign_vouch (unsigned-event builder), doi_score_verify (offline schnorr verification). The Ligh

MCP server and CLI exposing HTML email template rules for AI: Outlook/MSO, VML buttons, RTL, responsive tables, Gmail clipping, dark mode, and placeholders.

STOMP — MCP server for the Apple App Store Connect API. 162 tools for managing iOS/macOS apps, TestFlight, builds, in-app purchases, subscriptions, certificates, App Store submissions, analytics, Game Center, Xcode Cloud, and more.

Outage radar for AI agents. LLM pricing, status, inference performance, and real-time agent-reported failure signals. 9 tools. No auth required.

Look up countries, timezones, periodic table elements, physical constants, units, HTTP status codes, and MIME types via MCP. STDIO or Streamable HTTP.

ThryxProtocol v3.1.1 MCP Server — gasless AI agent launchpad + trading platform on Base. 21 tools wrapping the thryx.fun HTTP API. Server-managed wallets, paymaster gas, free LLM-driven autotrader. No private keys, no signing, no API bills. Auto-registers

Drive any Electron app from your AI. MCP server with 93 tools, 4 recipe packages (Slack/Discord/Notion/Linear), security primitives, and a CLI mirror. The testing surface area Tauri structurally cannot match.

MCP Server for Spec-Driven Development - Create and manage SDD test specifications with tasks, logs, and acceptance criteria

MCP server that detects semantic (non-textual) merge conflicts between Git branches using AST-level analysis

Search Help Scout conversations, customers, organizations, threads, and inboxes with AI assistants

Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway transit APIs via MCP. STDIO or Streamable HTTP.

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

Read, create, and modify Figma designs programmatically via MCP, empowering AI to execute Figma changes safer, cleaner, and faster.

MCP server for Tinify image optimization — one tool, max optimization

Open-source security scanner for Model Context Protocol (MCP) servers. Audits Claude Desktop, VS Code, Cursor, Windsurf, and 16+ AI tools for secrets, prompt injection, supply-chain risks, and 17+ security checks.

MCP server validation CLI — fast pre-publish diagnostic for Model Context Protocol servers. Schema validation, tool/resource/prompt health checks, scorecard reporting, CI-ready exit codes.

Powerful Cross-IDE Context Sharing via MCP. Persistently sync AI memories and chat sessions between Cursor, VS Code, and more.

MCP server for AWS S3 — list buckets, browse objects, upload/download files, and generate presigned URLs from your IDE