Best Auth AI Skills & MCP Servers

Security scanning for the vibe coding era. MCP server + CLI that finds secrets, auth bugs, SQL injection, XSS, IDOR, and vulnerable deps — and opens fix PRs. Works in Cursor, Claude Code, and VS Code. Bring your own model (Anthropic, OpenAI, Gemini, Groq,

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.

MCP server for Momen.app

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.

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

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

Jenkins MCP server with bearer token authentication support

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

FDIC MCP — FDIC BankFind Suite API (free, no auth)

MCP server for CloudPayments API — charge, auth, confirm, void, refund, find transaction. 6 tools. Basic auth.

MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config

MCP server for VK Ads API — 8 tools: campaigns, ads, statistics, targeting, budgets. Bearer auth.

MCP server for scholarly works, authors, and institutions via OpenAlex API

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.

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

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.

Generic MCP shell for agent-driven remote Chrome control through cdp-bridge and canonical cdper packages

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).

Mercle MCP server for AI coding assistants — OAuth, wallet-bridge, and mini-app integration

Extended Google Calendar + Meet MCP server via gogcli — auth + Calendar events + Meet space management

MCP server exposing MyWallpaper addon authoring and local dev tools to MCP-compatible agents.

Ricord — knowledge wiki, auto-organized. Ships an MCP server (`ricord-mcp`) and a wiki authoring CLI (`ricord setup`, `ricord build`, `ricord learn`, `ricord push`, `ricord compile`, …).

Analytics tool for MCP (Model Context Protocol) servers - tracks tool usage patterns and provides insights