LocalCan secures MCP servers with OAuth 2.1

// 1h agoTUTORIAL

LocalCan secures MCP servers with OAuth 2.1

This tutorial guides developers through securing a Model Context Protocol (MCP) server with OAuth 2.1 using Scalekit and LocalCan. It demonstrates configuring Scalekit with Dynamic Client Registration, building a Hono resource server to validate tokens, and connecting the authenticated server to Claude using persistent public URLs.

// ANALYSIS

Stable public URLs are no longer just a luxury for sharing work but are now a core security requirement for testing cloud-to-local agentic integrations.

* Unlike traditional SaaS apps where you are the client, MCP reverses the relationship, requiring you to host or delegate an authorization server that issues tokens scoped to your server's audience.

* Rolling your own OAuth server is security-critical and complex; using purpose-built tools like Scalekit or open-source alternatives like Keycloak is highly recommended.

* Rotating subdomains introduce friction by forcing developers to re-register their OAuth callback configurations on every environment restart.

// TAGS

mcpoauthlocal-developmentsecurityscalekitlocalcan

DISCOVERED

1h ago

2026-06-08

PUBLISHED

2h ago

2026-06-08

RELEVANCE

8/ 10

AUTHOR

LocalCanApp

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LocalCan secures MCP servers with OAuth 2.1