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MCP server · Security

VT Agent Firewall

by · github.com/ValentinTorassa/VT-Agent-Firewall

Local security gateway between an AI agent and its tools (fs, shell, network, MCP): default-deny policy engine, human approval, append-only audit log. Tested against indirect prompt injection trying to exfiltrate a fake .env to 127.0.0.1. Python stdlib only, 21 acceptance tests. Not production-ready - a security lab.

Unclaimed security
InstallView source
34Low

Scored 25 days ago · breakdown

About VT Agent Firewall

VT Agent Firewall is an MCP server published by ValentinTorassa in the Security category: local security gateway between an AI agent and its tools (fs, shell, network, MCP): default-deny policy engine, human approval, append-only audit log. Tested against indirect prompt injection trying to exfiltrate a fake .env to 127.0.0.1. Python stdlib only, 21 acceptance tests. Not production-ready - a security lab.

The repository has 4 stars and 0 forks, with the last commit 18 days ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/ValentinTorassa/VT-Agent-Firewall

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

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Releases

v0.2.0v0.2.0 · 4 Oct 2026Full Changelog: https://github.com/ValentinTorassa/VT-Agent-Firewall/compare/v0.1.1...v0.2.0
v0.1.1v0.1.1 · 30 Sep 2026Full Changelog: https://github.com/ValentinTorassa/VT-Agent-Firewall/compare/v0.1.0...v0.1.1
v0.1.0v0.1.0 · 24 Sep 2026Full Changelog: https://github.com/ValentinTorassa/VT-Agent-Firewall/commits/v0.1.0
Questions

About VT Agent Firewall

How do I install VT Agent Firewall?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is VT Agent Firewall safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is VT Agent Firewall still maintained?

Yes — the latest release is v0.2.0 (4 Oct 2026), and the last commit was 18 days ago. The repository has 4 stars.