F
Mcp Fw
mcp-fw
MCP Firewall Proxy — policy-based tool access control using NAIL effects
0 tools PyPI
No known CVEs
No license
Maintenance unknown
No commit data
Works with most clients
Transport: stdio
0 tools
Grade F
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"mcp-fw": {
"command": "uvx",
"args": [
"mcp-fw"
]
}
}
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What Mcp Fw does
MCP Firewall Proxy — policy-based tool access control using NAIL effects
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
uvx 'mcp-fw' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
31/100across 5 weighted dimensions
0255075100
20
10
−69
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked mcp-fw against OSV.dev.
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Frequently Asked Questions
- Is Mcp Fw safe to use?
- Mcp Fw has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
- How do I install Mcp Fw?
- Install Mcp Fw via pip: `pip install mcp-fw`. Then configure it in your MCP client.
- What AI clients work with Mcp Fw?
- Mcp Fw is compatible with claude-desktop, cursor, claude-code. It uses stdio transport.
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Discussion
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Has anyone used this with Cursor?How do you handle auth?Any alternatives?
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