Best Auth AI Skills & MCP Servers

Jenkins MCP server with bearer token authentication support

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

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).

The Control Plane for AI Agents. 26,701 discoverable APIs, 2,906 callable, 49 fully managed. Agent-native auth: `apiclaw auth login` opens your browser, one-tap sign-in, writes ~/.apiclaw.toml. Four doors: local MCP, CLI, HTTP gateway, Remote MCP. One aut

MCP server for Momen.app

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

n8n community node: Real MCP Server Trigger (Streamable HTTP) with Auth0 Bearer token validation

Agentic HubSpot CLI + MCP server. Covers ~all documented public endpoints (1180 across 55+ command domains). Reachability is tier/scope/auth-model gated — UI-only surfaces and deprecated APIs excluded. Enterprise safety rails, self-hosted.

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.

The easiest MCP server for Google Workspace — Drive, Docs, Sheets, Gmail, Calendar, and Forms. 153 tools with one-click browser auth. Read Word docs, PDFs, and spreadsheets straight from Drive.

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.

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

An ntfy MCP server for sending ntfy notifications to your self-hosted ntfy server from AI Agents 📤 (supports secure token auth & more - use with npx or docker!)

Node.js/TypeScript MCP server for AWS Single Sign-On (SSO). Enables AI systems (LLMs) with tools to initiate SSO login (device auth flow), list accounts/roles, and securely execute AWS CLI commands using temporary credentials. Streamlines AI interaction w

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

L402 Lightning paywall + Depth-of-Identity score gate for MCP. Two integration shapes: (a) stdio MCP server exposing l402_gate_challenge / l402_gate_verify / l402_gate_score for agent clients; (b) drop-in Express middleware + MCP tool factory that combine

Dynamic MCP server toolkit for runtime toolset management with Fastify transport and meta-tools

MCP server for Milkbasket — AI-powered grocery shopping for India. Authenticate via OTP, search products, manage cart, and check wallet from Cursor, Claude, or any MCP client.

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

A Model Context Protocol (MCP) server optimized for India that provides comprehensive medical information by querying multiple authoritative medical APIs including FDA, WHO, PubMed, and RxNorm. Features India-first defaults for health statistics, Indian m

MCP server for 1C:Enterprise — 9 tools for catalogs, documents, registers, reports via OData 3.0. Basic auth.

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