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behrensd-mcp-firewall

Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.

Score
49.1182 signals
Evidence
4 stars · 1 fork
Last commit
as last read from GitHub; most reads are from 2 Sep 2026 or later
Listed

Install

No one-command install. Set it up from its source.

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What it is

Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.

When to use it

When an agent needs the "Security" capability this MCP server exposes.

Source

Migrated from the awesome-mcp-servers navigation directory (category: Security). See https://github.com/behrensd/mcp-firewall.