AI Coding Tip 036 - Watch for AI Intrusion Nobody Granted

Deny by default, or watch your API become someone else's playground.

TL;DR: Give every AI agent only the access its task needs, and watch for the intrusion nobody granted.

Common Mistake ❌

You wire an AI agent straight into a production API with an admin key, because scoping down every tool call felt like tedious busywork you'd get to later.

As always, later never comes.

Then a fetched webpage, a malicious skill, or a poisoned dependency slips an instruction into the model's context, and the agent obeys it with every privilege you handed it.

Or the escalation comes from the other direction: an external LLM sitting behind one of your MCP connectors inherits whatever scope you granted that connector, and a connector scoped too generously hands that outside model a path into systems it was never meant to touch.

It doesn't know it's compromised.

It's just doing what the...

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