LocalFree

Context Firewall MCP server

Alepha188838884/context-firewall

Local MCP proxy that merges downstream servers behind a few meta-tools with progressive discovery and compresses large tool outputs, with full output on demand.

2 GitHub stars302 npm downloads / month
Source code

Install Context Firewall in Claude Code

Claude Code
claude mcp add context-firewall -- npx -y context-firewall
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "context-firewall": {
      "command": "npx",
      "args": [
        "-y",
        "context-firewall"
      ]
    }
  }
}

Frequently asked questions

What does the Context Firewall MCP server do?

Local MCP proxy that merges downstream servers behind a few meta-tools with progressive discovery and compresses large tool outputs, with full output on demand.

Is the Context Firewall MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Context Firewall run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Context Firewall to Claude Code?

Run: claude mcp add context-firewall -- npx -y context-firewall

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