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I built a testing tool for AI agents — it caught a real prompt-injection vulnerability in a local model

This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.

I've been building Agenci — open-source CI/CD testing for AI agents (functional tests, security checks, regression detection across model/prompt changes). Wanted to actually test it against something real rather than a synthetic example, so I pointed it at phi4-mini running locally via Ollama. Firs…

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  1. 2026-09-08 12:16 · DEV Community — AI
    I built a testing tool for AI agents — it caught a real prompt-injection vulnerability in a local model

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