mcpwall

io.github.behrensd/mcpwall · v0.1.2

iptables for MCP — blocks dangerous tool calls, scans for secrets, logs everything.

Install

npx -y mcpwall

Typical command from the package name. Check the README for required configuration and credentials before connecting it to real data.

Signals captured from GitHub, npm and the official MCP Registry on October 15, 2026. See the scoring method.

Journals every MCP tool call with secrets redacted; with a policy, holds risky calls for approval

Security layer for AI agents: blocks prompt injection, detects fake packages, scans vulnerabilities.

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.