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oauth

Configure and troubleshoot OAuth 2.1 authentication for the Local MCP Gateway.

Updated Aug 23, 2026
Search Tags:#oauth#pkce#token-management#oauth2.1#authorization-code#dynamic-client-registration
One-click install
npx skills add https://github.com/DXHeroes/local-mcp-gateway --skill oauth-dxheroes
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: oauth
Source: https://github.com/DXHeroes/local-mcp-gateway/tree/main/.claude/skills/oauth
Command: npx skills add https://github.com/DXHeroes/local-mcp-gateway --skill oauth-dxheroes

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

OAuth 2.1 provides a secure, standardized framework for authenticating MCP gateways and their connected servers. It helps teams understand flows, configure providers, and troubleshoot issues in a centralized, consistent manner.

Core Features & Use Cases

  • Understand OAuth 2.1 concepts (PKCE required, explicit redirect URI matching) and map them to MCP Gateway configurations.
  • Configure MCP servers with OAuth settings, including authorization server details, client credentials, and scopes, with guided best practices.
  • Troubleshoot common failures (redirect URI mismatches, token exchanges, PKCE problems) and implement secure token storage and rotation strategies.
  • Implement secure authentication patterns across MCP profiles and enable Dynamic Client Registration where supported.

Quick Start

Open the MCP Gateway UI, enable OAuth on a sample MCP server, and complete the PKCE-protected authorization flow to obtain a token.

Frequently Asked Questions about oauth

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

FAQPage Schema
How do I configure OAuth 2.1 with PKCE for my MCP server?▼

To configure OAuth 2.1 for an MCP server, you must explicitly enforce PKCE and ensure exact redirect URI matching. This assistant guides you through setting up authorization server details, client credentials, and scopes.

Why does my OAuth redirect URI mismatch when connecting to the MCP Gateway?▼

OAuth redirect URI mismatches occur when the registered URI does not exactly match the gateway configuration. This assistant troubleshoots URI mismatches, token exchange errors, and PKCE problems across MCP profiles.

What is dynamic client registration in OAuth 2.1?▼

Dynamic client registration allows clients to programmatically register with an authorization server. This assistant helps enable dynamic client registration across MCP profiles and implement secure authentication patterns where supported.

How do I manage and securely store OAuth tokens for MCP profiles?▼

Secure token management requires implementing proper token storage and rotation strategies. This assistant guides you through secure token handling practices defined by OAuth 2.1 and related RFCs for MCP profiles.

Does OAuth 2.1 require PKCE for all authorization code flows?▼

OAuth 2.1 requires explicit PKCE usage for authorization code flows to prevent interception attacks. This assistant supports end-to-end guidance from PKCE setup to token management for MCP Gateway configurations.

What are the limitations of using OAuth 2.1 for MCP Gateway authentication?▼

OAuth 2.1 limitations include strict exact redirect URI matching requirements and mandatory PKCE, which can complicate dynamic endpoint configurations. This assistant helps troubleshoot these constraints and implement secure patterns.

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