Best Model Context Protocol AI Skills & MCP Servers

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

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

MCP server that dynamically starts and manages other MCP servers

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 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.

MCP server for terminal operations and file editing

Local MCP server for Google Workspace (Gmail, Drive, Calendar, Sheets, Docs, Contacts, Tasks, Meet, Search Console, +Forms/Chat/Admin) across multiple accounts — OAuth-only, encrypted token storage, deny-by-default writes.

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

MCP server to create, read, update, list, and search GitHub Gists from your IDE

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

SAP ABAP ADT MCP server with full CRUD for on-prem and ABAP Cloud (BTP), plus JWT/XSUAA and service-key destination auth

Open source MCP Server for Jira & Atlassian — manage issues, sprints, comments & Confluence via Claude, Cursor, or any MCP client

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.

MCP server for GitHub Actions — view workflow runs, read logs, re-run failed jobs, and manage CI/CD from your IDE

Multi-account, multi-provider email MCP server

Access the OpenAlex academic research catalog - 270M+ publications through MCP. STDIO & Streamable HTTP.

Model Context Protocol server for Base network blockchain operations

Safety first. Hardware-verified DeFi for AI agents — designed for when the AI can be compromised.

MCP server for OpenAlex API - enabling literature review and research landscaping

Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.

DEPRECATED — install the Claude Code plugin at gramatr/claude-plugin instead. This npm package no longer ships a CLI; Codex and Gemini integrations are paused pending HTTPS+OAuth MCP support.

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

Versioned memory for AI agents — structured keypaths, conflict detection, and 80% fewer tokens than alternatives.

Step-by-step workflow enforcement for AI agents via MCP