# 0sec Labs open-sources 0, an AI security harness with web console, CLI and MCP server

> Original title: 0sec Labs Open-Sources 0, an AI Security Harness With Web UI, CLI and MCP

- Source: MarkTechPost
- Published: 2026-11-09T07:55:18.000Z
- Bad Influence: https://badinfluence.news/items/fh7uruqkpuj0yh7muroloyvba
- Original: https://www.marktechpost.com/2026/11/08/0sec-labs-open-sources-0-ai-security-harness/

## Summary

Zurich-based 0sec Labs has released 0, an open-source AI security harness for vulnerability investigations, code review, pentesting, reverse engineering and fix generation. Developers can run it from a local browser console, a headless CLI or an MCP server, and bring their own LLM from 14 listed providers. The harness is licensed MIT OR Apache-2.0 and ships as a research preview, with self-reported benchmark scores.

## Why it matters

The source compares 0 with other open-source AI pentesting tools on license, interfaces, scope and model support, helping readers weigh options for security work.