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☿ Mercury 1.4.0, Pluggy Mercury, is out: plugins, WhatsApp voice calls, and Optimus, which uses your computer. Read the release notes →

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2026

How Optimus works: an agent that uses your computer
Mercury 1.4: plugins, WhatsApp calls, and an agent at your desk
The new bottleneck in AI coding isn't code generation. It's verification.
Agents exceeded their permissions: how to scope them
Mercury Bots: an agent fleet that runs on your machine
The setup wizard that quit at the first menu
We were running Mercury twice and didn't know it
Mercury 1.3: an agent you can actually leave running
Asks before it acts: how Mercury's permission model works

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© 2026 Cosmic Stack · Mercury Agent is MIT-licensed open source.