Field notes / Tarik Razine

Notes on authentication.

Articles on authentication: practical ideas, technical decisions, and the trade-offs behind them.

Architecture. Engineering. Decisions.01 articles

ReadingAll articlesauthentication

Browse topics 17 topics

In this collection

Newest first

engineering9 min read

MCP Gateway Security: Auth Beyond the API Key

Design MCP gateway security with audience-bound tokens, per-tool authorization, tenant checks, and approval boundaries before agents reach business APIs.

Sep 9, 2026

mcp kong ai-agents architecture authentication api-design