The App Can Lock Your Agent Out Tomorrow

Description and use

<h1> The App Can Lock Your Agent Out Tomorrow </h1> <p>This week Figma changed who its MCP endpoint will talk to. Instead of letting any compatible client connect, it now restricts access to a whitelist of approved clients — and at least one widely-used agent tool found itself on the wrong side of that list. Nobody got hacked. Nothing broke. A vendor simply decided, from one week to the next, which software was allowed through the door.</p> <p>Put that next to the rest of the week. Google quietly walked back a promise to keep Chromebooks updated for ten years. A long-running open-source compan

Problem

<h1> The App Can Lock Your Agent Out Tomorrow </h1> <p>This week Figma changed who its MCP endpoint will talk to. Instead of letting any compatible client connect, it now restricts access to a whitelist of approved clients — and at least one widely-used agent tool found itself on the wrong side of that list. Nobody got hacked. Nothing broke. A vendor simply decided, from one week to the next, which software was allowed through the door.</p> <p>Put that next to the rest of the week. Google quietly walked back a promise to keep Chromebooks updated for ten years. A long-running open-source compan

Outcome

<h1> The App Can Lock Your Agent Out Tomorrow </h1> <p>This week Figma changed who its MCP endpoint will talk to. Instead of letting any compatible client connect, it now restricts access to a whitelist of approved clients — and at least one widely-used agent tool found itself on the wrong side of that list. Nobody got hacked. Nothing broke. A vendor simply decided, from one week to the next, which software was allowed through the door.</p> <p>Put that next to the rest of the week. Google quietly walked back a promise to keep Chromebooks updated for ten years. A long-running open-source compan

Evidence

The App Can Lock Your Agent Out Tomorrow

Source