Best Oauth AI Skills & MCP Servers

MCP server for Momen.app

Slack MCP without OAuth. 21 tools (16 read/write Slack + 2 workflow profile primitives + 3 hosted-brain upgrade stubs). Free OSS or hosted (free tier no card; $9/mo Pro = unlimited; morning DM rolling out Q2 2026).

Official EZTexting MCP server bridge — connects local MCP clients to https://mcp.eztexting.com via Streamable HTTP + OAuth 2.1 PKCE.

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.

AI job search CLI + hosted MCP server with OAuth. 128K+ jobs, 1,900+ companies, 40+ ATS. Works with Claude, ChatGPT, Cursor, Windsurf, Codex via hosted streamable-http or local stdio.

Gmail MCP server — scope-gated tools + attachment/download path jails + supply-chain hardening. Fork of GongRzhe/Gmail-MCP-Server via ArtyMcLabin's intermediate fork.

Multi-account orchestration and secure token storage for OAuth-based MCP servers

MCP server for Gmail integration with OAuth authentication, message search, batch operations, and Google Sheets export

Model Context Protocol (MCP) server for Prizmad — generate AI UGC video ads from any product URL. Tools for recommend_template, upload_image, create_video, get_video_status (with live progress), create_video_batch, list_my_videos. OAuth 2.1 Connect flow f

Agent-first YouTube Shorts upload CLI and MCP server with dry-run uploads, OAuth readiness and synthetic-media metadata.

Agent-first TikTok Content Posting API CLI and MCP server with dry-run publishing, OAuth readiness and privacy audit tools.

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

GitHub MCP Server with OAuth support for Issue management

Enhanced MCP server for X with OAuth 2.0 support, media uploads, and comprehensive rate limiting.

MCP server for Google Drive, Google Docs, Google Sheets, and Google Slides with full read/write operations, rich markdown-to-docs formatting, theming, shared drive support, and OAuth2 authentication

MCP server for Google Docs, Drive & Comments (OAuth + Service Account)

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.

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.

A local MCP server that breaks on demand. Test your client against auth failures, disappearing tools, flaky responses, and token expiry.

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

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

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