Best AI Agent Skills for Authentication & Identity in 2026

Find AI agent tools for authentication, OAuth, SSO, and identity management.

🔍 Browse 10 authentication & identity tools ⭐ 20.4k total stars 🔄 Refreshed every 8h
Quick Pick — If you only pick one, go with casdoor ★ 13.6k — An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent

The Complete Guide to Authentication & Identity Tools (2026)

What Are Authentication & Identity Tools?

Authentication & Identity tools are AI-powered software designed to help developers and teams tackle authentication & identity-related tasks more efficiently. These tools are typically published as open-source projects on GitHub and can be integrated into existing workflows via MCP (Model Context Protocol), Claude Skills, or standalone agent frameworks. On Agent Skills Hub, we index 10 quality-scored authentication & identity tools across languages including Go, TypeScript, Python.

Why Use Authentication & Identity Tools?

In 2026, the AI agent ecosystem is maturing rapidly. Authentication & Identity tools can significantly boost development efficiency by automating repetitive tasks, reducing human error, and providing intelligent suggestions. The top 3 tools — casdoor, streamable-mcp-server-template, opencode-claude-auth — have earned an average of 2,038 GitHub stars, reflecting strong community validation. 6 of the listed tools come with clear open-source licenses, ensuring freedom to use and modify.

How to Choose the Best Authentication & Identity Tool?

When choosing a authentication & identity tool, consider these factors: 1) Community activity — GitHub stars and recent commit frequency indicate reliability; 2) Integration method — check if it supports MCP, Claude, or your preferred agent framework; 3) Language compatibility — the most common language in this list is Go; 4) Quality score — Agent Skills Hub's composite score evaluates code quality, documentation completeness, and maintenance activity. Our recommendation: start with casdoor — it ranks highest in both star count and quality score.

Top 10 Authentication & Identity Tools

1 casdoor by casdoor
★ 13.6k Go MCP Server

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD

View Details → GitHub →
2 streamable-mcp-server-template by iceener
★ 101 TypeScript MCP Server

Production-ready MCP server template with Streamable HTTP transport. Supports Node.js (Hono) and Cloudflare Workers. Includes OAuth 2.1, multi-tenant sessions, tool/resource/prompt registration, and AES-256-GCM token encryption.

View Details → GitHub →
3 opencode-claude-auth by griffinmartin
★ 945 TypeScript Claude Skill

OpenCode plugin that uses your existing Claude Code credentials — no separate login needed.

View Details → GitHub →
4 mcpc by apify
★ 604 TypeScript MCP Server

A universal CLI client for MCP. mcpc supports persistent sessions, stdio/HTTP, OAuth 2.1, tasks, JSON output for code mode, proxy for AI sandboxes, x402, and more.

View Details → GitHub →
5 mcp-cli by apify
★ 459 TypeScript MCP Server

mcpc is a CLI client for MCP. It supports persistent sessions, stdio/HTTP, OAuth 2.1, JSON output for code mode, proxy for AI sandboxes, and much more.

View Details → GitHub →
6 openai-auto-register by Ethan-W20
★ 212 Python Codex Skill

OpenAI Codex Auto Register & Token Fetcher | OpenAI Codex 自动注册与 Token 提取

View Details → GitHub →
7 opencode-multi-auth-codex by guard22
★ 132 TypeScript Codex Skill

Multi-account authentication plugin for OpenCode/Codex — rotate API keys, manage sessions, auto-login

View Details → GitHub →
8 suno-api-private by joeseesun
★ 60 TypeScript AI Tool

Suno API with JWT token authentication support

View Details → GitHub →
9 ccs by kaitranntt
★ 2.3k TypeScript Claude Skill

Switch between Claude accounts, Gemini, Copilot, OpenRouter (300+ models) via CLIProxyAPI OAuth proxy. Visual dashboard, remote proxy support, WebSearch fallback. Zero-config to production-ready.

View Details → GitHub →
10 inspector by MCPJam
★ 1.9k TypeScript MCP Server

Development platform to debug, chat, inspect, and evaluate MCP servers, MCP apps, and ChatGPT apps.

View Details → GitHub →

Comparison

Tool Stars Language License Score
casdoor ★ 13.6k Go Apache-2.0 46
streamable-mcp-server-template ★ 101 TypeScript 50
opencode-claude-auth ★ 945 TypeScript MIT 50
mcpc ★ 604 TypeScript Apache-2.0 47
mcp-cli ★ 459 TypeScript Apache-2.0 47
openai-auto-register ★ 212 Python 45
opencode-multi-auth-codex ★ 132 TypeScript 46
suno-api-private ★ 60 TypeScript LGPL-3.0 22
ccs ★ 2.3k TypeScript MIT 46
inspector ★ 1.9k TypeScript 46

Related Categories

Frequently Asked Questions

What are the best authentication & identity tools in 2026?

The top authentication & identity tools in 2026 are casdoor, streamable-mcp-server-template, opencode-claude-auth. Agent Skills Hub ranks 10 options by GitHub stars, quality score (6 dimensions including completeness, examples, and agent readiness), and recent activity. The list is rebuilt every 8 hours from live GitHub data.

How do I choose between casdoor and streamable-mcp-server-template?

casdoor (13.6k stars) is the most adopted choice for general authentication & identity workflows, written in Go. streamable-mcp-server-template (101 stars) is a strong alternative and uses TypeScript instead. Pick by your existing stack: match the language and runtime your team already uses to minimize integration cost. If unsure, start with casdoor — it has the deepest community and the most examples online.

When should I NOT use an authentication & identity tool?

Avoid pre-built authentication & identity tools when (1) your use case requires deep customization that the tool's plugin system doesn't support, (2) you have strict compliance requirements that ban third-party dependencies, (3) the tool's maintenance is inactive (last commit >6 months ago), or (4) your data volume is small enough that a 50-line custom script is cheaper than learning the tool. For most production workflows above 100 requests/day, the time savings from a maintained tool outweigh the customization loss.

What's the difference between authentication & identity and security auditing?

Authentication & Identity focuses specifically on find ai agent tools for authentication, oauth, sso, and identity management. Security Auditing is a related but distinct category — see https://agentskillshub.top/best/security-audit/ for those tools. The two often appear in the same agent pipeline but solve different problems: choose authentication & identity when your primary goal is the specific task, and security auditing when the workflow is broader.

Is casdoor better than building it yourself?

For most teams, yes. casdoor has 13.6k stars worth of community testing, handles edge cases you haven't thought of, and ships with documentation. Build your own only when (1) your requirements are deeply non-standard, (2) you have a security/compliance reason to avoid OSS dependencies, or (3) the maintenance burden is small enough (<200 lines of code) that you'll save time long-term. The break-even point is usually around 2-3 weeks of dev time saved.

Are these authentication & identity tools free to use?

Most authentication & identity tools listed are open source under permissive licenses (MIT, Apache 2.0). A handful offer paid managed/cloud versions on top of free self-hosted core. Always check the LICENSE file on each tool's GitHub repository before commercial use — some use AGPL or non-commercial restrictions that may not fit your deployment model.

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