MCP Output Firewall

io.github.tangfei7777-cell/mcp-output-firewall

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.

Description as published in the official MCP registry.

What we measured

Endpoint	None listed (runs locally)	registry
GitHub stars	0	github.com/tangfei7777-cell/mcp-output-firewall
Last push	2026-09-16	GitHub API
Licence	MIT	GitHub API
Registry version	0.3.0 · active · updated 2026-09-15	registry
Package	`npm: mcp-output-firewall`	registry

Packages

npm: mcp-output-firewall

Exists · metadata read 2026-10-05

Latest version: 0.3.0. Last published: 2026-09-15.

Deprecated: no.

Weekly downloads: 35 · read 2026-10-05. downloads include bots and CI.

Signed reports

No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.

Connect

npx -y mcp-output-firewall

Commands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.

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Badge for your README

Shows the result of our latest check and links back to this page.

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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name io.github.tangfei7777-cell/mcp-output-firewall.