MCP Auth and Security: OAuth, Scopes, and Enterprise Permissions Guide
This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.
In brief: MCP apps use one of three auth patterns: OAuth 2.1 with PKCE (mandated by the MCP spec for remote servers, used by Claude, Gemini, modern ChatGPT), API key handoff (common in Cursor and AI-first IDEs, weak on revocation and scoping), and enterprise SSO via the host's identity provider (Mi…
Read the full story at DEV Community — AI ↗
Timeline · 1 report
- 2026-09-18 12:09 · DEV Community — AI
MCP Auth and Security: OAuth, Scopes, and Enterprise Permissions Guide