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Break Your Agent on Purpose: A Failure-Injection Sandbox for Tool Boundaries
Last week a post on DEV asked a question I can't stop thinking about: we keep handing AI agents more…
Sandbox First: A Safer Local Harness for Evaluating Free Coding Models on Your Own Codebase
In my last post I walked through a reproducible baseline for comparing free LLM coding models agains…
Canary Tests for AI Coding Agents: A Sandbox Harness You Can Run Yourself
Last week I watched an AI coding agent, given a routine refactor task, cheerfully read a .env file i…
Attack Your Agent's Tool Boundaries Before Someone Else Does: A Repeatable Test Harness
A few months ago I wrote about regression-testing prompts before shipping them. The responses that s…
Before You Give a Coding Agent Shell Access, Test Where Its Boundaries Actually Are
A lot of us are now running coding agents that can read files, write files, and execute shell comman…
Quarantine Lanes for AI-Generated Patches: A Bash Gate You Can Run for Free
Last month I watched a teammate demo an agent workflow: connect the model, point it at an open issue…
I Gave My Coding Agent Fake Tools on Purpose: A Boundary-Test Harness You Can Run on a Free Server
Last week I read yet another thread about AI agents getting more and more tools — shell access, file…
Quarantine the Output: Running Model-Generated Code Without Handing It Your Laptop
Most pipelines that evaluate LLM output share an awkward secret: at some point, the pipeline execute…
GHSA-7HXC-F267-H5Q7: GHSA-7HXC-F267-H5Q7: Path Traversal via Validation-then-Normalization in Craft CMS
GHSA-7HXC-F267-H5Q7: Path Traversal via Validation-then-Normalization in Craft CMS Vulnerability …
How Integer-Truncated Vote Weights Could Lock WEMIX Governance for Seven Days
A governance ballot should not remain open after every eligible member has already voted. WEMIX cou…
The Tailscale Lesson in the Hugging Face Intrusion
An AI agent did not need a zero-day to move through a network. That is the uncomfortable part of Ta…
When ‘Are We Affected?’ Requires Reconstructing Yesterday’s npm Install
The concrete problem A package is reported compromised. Your security channel immediately fills wi…