Field notes / Tarik Razine

Notes on mcp.

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

Architecture. Engineering. Decisions.01 articles

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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