Field-tested guides for adding OAuth to MCP servers.https://quickoauth.com/https://quickoauth.com/guides/auth0-mcp-oauth/https://quickoauth.com/guides/auth0-mcp-oauth/A start-to-finish Auth0 setup for MCP connectors, verified live: free signup, dynamic client registration, native RFC 8707 resource support, and a Worker that validates Auth0 JWTs offline. Every step was executed for real and screenshotted.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/auth0-proxy-oauth/https://quickoauth.com/guides/auth0-proxy-oauth/The architecture that got a self-hosted MCP server through claude.ai connector validation: Auth0 for login and tokens, a small proxy for the metadata and DCR endpoints Auth0 does not serve the way MCP clients expect.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/claude-connector-checklist/https://quickoauth.com/guides/claude-connector-checklist/A verified checklist of every discovery request claude.ai makes when you add a remote MCP server with OAuth, and what each response must contain.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/debugging-connector-failures/https://quickoauth.com/guides/debugging-connector-failures/Where MCP OAuth connections actually break, ordered by how often they happen, with the test that isolates each one.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/one-server-three-connectors/https://quickoauth.com/guides/one-server-three-connectors/The same OAuth 2.1 server can pass Claude, ChatGPT, and Grok connector validation — if your discovery, registration, and redirect handling account for how each client differs.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/self-hosted-oauth-hydra/https://quickoauth.com/guides/self-hosted-oauth-hydra/No Auth0, no SaaS identity provider — a self-hosted Hydra instance that issues connector tokens, with the DCR response quirk that fails Claude's schema validation and the tiny proxy that fixes it.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/stytch-mcp-oauth/https://quickoauth.com/guides/stytch-mcp-oauth/Stytch as the authorization server for an MCP connector: magic-link signup, the Connected Apps DCR + CIMD toggles, the project-domain metadata trap, and validating Stytch JWTs in a Worker. Executed live, screenshots included.Sat, 22 Aug 2026 00:00:00 GMThttps://quickoauth.com/guides/supabase-mcp-oauth/https://quickoauth.com/guides/supabase-mcp-oauth/Supabase's OAuth Server beta as an MCP authorization server: the /auth/v1 issuer, ES256 keys, dynamic client registration, and the dashboard toggle that only the Management API can flip. Executed live against a real project.Sat, 22 Aug 2026 00:00:00 GMT