Best Auth AI Skills & MCP Servers

A Model Context Protocol (MCP) server for Feishu (Lark) cloud document and wiki management. Supports OAuth, Markdown upload, document reading/updating/deleting, search, and multi-app configuration.

CLI and MCP servers for Cutline — authenticate, then run constraint-aware MCP servers in Cursor or any MCP client.

MCP server for Robokassa payment API — generate payment URLs, check invoice status. 2 tools. MD5 signature auth.

Zero-auth MCP server with everyday developer utilities: base64, UUID, hash, JWT decode, cron, timestamps, JSON, regex

The mcp-use CLI is a tool for building and deploying MCP servers with support for ChatGPT Apps, Code Mode, OAuth, Notifications, Sampling, Observability and more.

Gmail MCP server with auto authentication support

MCP server for Notion using internal API — search, export, and import pages as markdown. No workspace admin or OAuth needed, just your browser cookie.

MCP server for Central Bank of Russia API — currency rates, key rate, precious metals, conversion. 5 tools. No auth required.

MCP server for Run402 — AI-native Postgres databases with REST API, auth, storage, and row-level security. Pay with x402 USDC micropayments.

MCP server for Salla e-commerce (Saudi Arabia) — 9 tools for products, orders, customers, store. OAuth 2.0.

MCP server for Evernote integration with note management and synchronization

Shared authentication library for F5 Distributed Cloud MCP servers - XDG-compliant profile management

Lightweight OAuth 2.0 callback handler for Node.js, Deno, and Bun with built-in browser flow and MCP SDK integration

Model Context Protocol server for the Lumeo Blazor component library. Lets LLMs (Claude, Copilot, Cursor) author correct Lumeo markup.

Unified MCP Streamable HTTP 2025-11-25 transport, OAuth 2.1 AS, lifecycle, install

A Model Context Protocol server for Google Calendar integration with auto authentication

A terminal coding agent powered by Kimi K2.6, routed through your own Cloudflare AI Gateway — per-request logs, response caching, authoritative cost. Web search, GitHub, headless browser, LSP, MCP, local memory, 262k context.

Gmail MCP server with auto authentication support

stdio-to-HTTP MCP proxy for Grackle — bridges stdio-only MCP clients (Claude Desktop, Codex CLI, Clawpilot) to a Grackle HTTP MCP server using static API-key auth

Comprehensive Model Context Protocol server for WordPress management with composition-based architecture, 59 tools, SEO toolkit, performance monitoring, intelligent caching, and production-ready authentication

Runtime, compiler, lint, CLI, and dashboard for Skillscript — a small declarative language for authoring agent workflows.

All-in-one Feishu MCP server + CLI tool for Claude Code / Codex / Cursor / scripts — 85 tools across 3 auth layers (cookie / app / OAuth). Send as you, read groups, manage docs / bitable / wiki / drive / calendar / tasks / OKR.

Model Context Protocol server and tools for agent-qa authoring and triage.

Arguslog MCP server — exposes the full Arguslog API (issues, projects, orgs, alerts, releases, tier admin, …) as Model Context Protocol tools. Authenticate with a Personal Access Token from the dashboard.