skills.rest
RedHatProductSecurity
RedHatProductSecurityOFFICIAL
Explore all skills by this author →
Website𝕏@RedHatSecurityGitHub

oauth21-resource-server

Enforce OAuth 2.1 token validation and scope checks on MCP servers.

47|5|Updated Apr 25, 2026
Search Tags:#authorization#security#authentication#oauth#api security
One-click install
npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill oauth21-resource-server
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: oauth21-resource-server
Source: https://github.com/RedHatProductSecurity/prodsec-skills/tree/main/module/skills/oauth21-resource-server
Command: npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill oauth21-resource-server

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps enforce that MCP servers operate as OAuth 2.1 resource servers by default, strengthening security through standardized token validation and scope enforcement.

Core Features & Use Cases

  • Security Enforcement: Guides the implementation of OAuth 2.1 resource server capabilities including token validation and scope checks.
  • Configuration Defaults: Ensures MCP servers are configured to accept OAuth 2.1 tokens as the default security mechanism.
  • Use Case: Review a new MCP server setup to confirm it mandates OAuth 2.1 token verification, preventing insecure default configurations.

Quick Start

Use the skill to verify that your MCP server validates OAuth 2.1 tokens and enforces scopes during API requests.

Frequently Asked Questions about oauth21-resource-server

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enforce OAuth 2.1 token validation on an MCP server?▼

To enforce OAuth 2.1 token validation on an MCP server, configure it to operate as a resource server by default, validating tokens and enforcing scopes during API requests to ensure secure authentication practices.

What is an OAuth 2.1 resource server and when do I need it for API security?▼

An OAuth 2.1 resource server is a server that validates access tokens and enforces scopes for API security. You need it when your MCP server requires standardized token verification to prevent insecure default configurations.

How do I check if my MCP server is configured to enforce OAuth 2.1 scopes?▼

You can check OAuth 2.1 scope enforcement by reviewing your MCP server setup to confirm it mandates token verification and performs scope checks during API requests, rejecting requests with missing or insufficient scopes.

Does my MCP server need to publish OAuth 2.1 metadata to accept tokens?▼

Yes, your MCP server needs to publish OAuth 2.1 metadata to accept tokens properly, ensuring clients can discover authentication requirements and the server can securely validate tokens and enforce scopes.

What is the best way to prevent insecure default configurations on MCP servers?▼

The best way to prevent insecure default configurations on MCP servers is to enforce OAuth 2.1 resource server capabilities by default, mandating token validation and scope checks before processing API requests.

Related Skills

novvoonovvoo

oauth

Implement OAuth 2.0/2.1 authorization flows in Fastify applications.

Community
Advanced
fabricioctellesfabricioctelles
47

agent-ready-oauth-protected-resource

Publish RFC 9728 OAuth Protected Resource Metadata for Cloudflare Workers.

Community
Basic
hirokazu-kobayashi-koba-hirohirokazu-kobayashi-koba-hiro
7

userinfo-endpoint

Implement a UserInfo endpoint returning scope-filtered user claims from access tokens.

Community
Advanced
AcczdyAcczdy
2

testing-api-security-with-owasp-top-10

Assess REST and GraphQL API endpoints for OWASP API Security Top 10 vulnerabilities.

Community
Intermediate