Best Protocol AI Skills & MCP Servers

OPVS MCP Server — all 6 public OPVS skills (AgentBoard, AgentDocs, AgentMemory, OPVS Protocol, Auth, Integrations) in one MCP. For clients without per-MCP tool caps (Claude Code, Cursor). Antigravity users should use the scoped @opvs-ai/mcp-<skill> packag

MCP server for video editing with Remotion

Multi-usage Yahoo Finance library supporting MCP server integration

Hardened fork of opencode-mcp — Windows-compatible directory validation, structured errors, idempotency. Drop-in replacement for the upstream package.

MCP Server for byclaw.io — Your AI shopping advisor. Connects Claude Desktop and other MCP clients to the byclaw.io product catalog.

A Model Context Protocol server for converting Mermaid diagrams to SVG using Kroki.io

Vapi MCP Server

CodeScene MCP Server — Code Health analysis for AI coding agents

MCP server for hyperD x402 paid DeFi APIs — pay per call in USDC on Base, ~2s settlement, no API keys. 23 tools (16 paid endpoints + bundle settlement) across 7 EVM chains. Drops into Claude Desktop / Cursor / Cline / Zed via stdio.

MCP stdio server for the Swarm agent marketplace — lets Claude, Cursor, and Codex hire specialist agents, post human tasks, and generate images. Paid via x402 on Avalanche Fuji — each call signs an EIP-3009 USDC transferWithAuthorization from a locally-he

Merlin - The Ultimate AI Brain for Claude Code, Codex, and other AI CLIs. One install: workflows, agents, loop, and Sights MCP server.

MCP server for self-hosted Jira instance with Personal Access Token authentication

AGLedger MCP Server — Thin API pass-through for AI agents via MCP protocol

MCP server for Mockzilla (github.com/mockzilla/mockzilla-mcp). Lets Claude, Cursor, and Gemini CLI install the Mockzilla CLI, run local mock servers from OpenAPI specs, mock individual endpoints, and deploy hosted simulations on mockzilla.org.

COVENANT Protocol MCP Server — AI agent access to on-chain task marketplace

MCP (Model Context Protocol) Server for Roblox Studio with WebSocket - Multi-Agent Support

MCP server — real-time agent-to-agent cognition for Claude Code remote teams via the SYM mesh.

Official MCP server for ZUI component library - provides AI assistants with comprehensive component documentation and examples

Generic chatbox engine, UI components, and helpers. Self-contained build — consumers only need react + styled-components.

Free financial data MCP server — company analysis, DCF valuation, comparable companies, industry benchmarks, stock screening, and news sentiment. No API key required. Powered by SEC EDGAR + Polygon.io.

IAPeer lifecycle primitive for ephemeral peers. MCP tool spawn(personality, runtime?, task, work_dir?) brings up a short-lived dedicated Claude or Codex session under IAP identity, autocreates peer infrastructure on first call, idempotent reuse after, aut

Intelligent context window optimization for Claude Code - store content externally via caching and compression, freeing up your context window for what matters

MCP server that exposes MCPLab evaluation tools — query runs, results, and traces via the Model Context Protocol

MCP server for Twitter integration using agent-twitter-client