What is the key difference between Mcp Firewall and Mcp Audit?

Mcp Firewall belongs to the Security category with local stdio execution, while Mcp Audit belongs to the Security category with local stdio execution.

How do I install Mcp Firewall or Mcp Audit in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Mcp Firewall and Mcp Audit free or paid?

Mcp Firewall operates under a Free / Open Source model (No auth required). Mcp Audit operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Mcp Firewall lists 6 tools with 4 views and 4 GitHub stars. Mcp Audit lists 6 tools with 2 views and 7 GitHub stars.

Can I use both Mcp Firewall and Mcp Audit together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Mcp Firewall or Mcp Audit in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Mcp Firewall and Mcp Audit free to use, or do they require API keys?

Mcp Firewall is listed under a Free / Open Source model with No auth required . Mcp Audit operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Mcp Firewall and Mcp Audit at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both behrensd-mcp-firewall and p4st4s-mcp-audit as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Mcp Firewall has a Quality Score of 43 /100 ( Fair ) with 4 views, 0 installs, and 4 GitHub stars. Mcp Audit holds a Quality Score of 47 /100 ( Fair ) with 2 views, 0 installs, and 7 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Mcp Firewall vs Mcp Audit

In-depth architectural comparison of the Mcp Firewall and Mcp Audit MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Mcp Firewall

Security · Local stdio

Quality: 43/100 (Fair) | Auth: No auth required

Mcp Audit

Security · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Mcp Firewall if you need specialized Security tools running via a local process. Choose Mcp Audit if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Mcp Firewall when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Intercepts and filters inbound JSON-RPC tool calls, Enforces YAML-defined allow/deny/redact policies, Detects secret leakage using regex and entropy checks.

Explore Mcp Firewall Details

Choose Mcp Audit when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: AUDIT_SECRET.
Primary tools included: Transparent proxy for MCP JSON-RPC traffic, Signed audit trails with JSONL or SQLite logs, Redaction of sensitive payload fields.

Explore Mcp Audit Details

Feature & Specification Comparison

Specification	Mcp Firewall behrensd Security	Mcp Audit P4ST4S Security
Summary	Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.	Transparent Go proxy that intercepts, signs, rate-limits, redacts, and audits all MCP JSON-RPC tool calls without modifying client or server.
Category & Scope	Security	Security
Quality signal	43/100 (Fair)	47/100 (Fair)
Transport Protocol	Local Subprocess (stdio)	Local Subprocess (stdio)
Auth Requirement	No auth required	No auth required
Pricing Model	Free / Open Source	Free / Open Source
Required Env Vars	None required	`AUDIT_SECRET`
Compatible Clients	Claude DesktopCursorWindsurfClineVS Code	Claude DesktopCursorWindsurfClineVS Code
Install path signal	`npx · low`	`npx · low`
Engagement & Health	4 views 0 copies 0 upvotes 4 stars	2 views 0 copies 0 upvotes 7 stars
Verified / Official	Community Listing	Community Listing
Open full listing	View Mcp Firewall Listing	View Mcp Audit Listing

Tools & Capabilities Breakdown

Mcp Firewall Tools (6)

Intercepts and filters inbound JSON-RPC tool calls

Enforces YAML-defined allow/deny/redact policies

Detects secret leakage using regex and entropy checks

Logs all requests and responses in JSON Lines format

Supports rate limiting per tool

No AI or cloud dependencies; runs locally as an stdio proxy

Mcp Audit Tools (6)

Transparent proxy for MCP JSON-RPC traffic

Signed audit trails with JSONL or SQLite logs

Redaction of sensitive payload fields

Allow/deny policy enforcement per tool

Per-tool rate limiting

Local read-only dashboard and Prometheus metrics

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Mcp Firewall Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "behrensd-mcp-firewall": {
      "command": "npx",
      "args": [
        "-y",
        "behrensd-mcp-firewall"
      ]
    }
  }
}

Mcp Audit Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "p4st4s-mcp-audit": {
      "command": "npx",
      "args": [
        "-y",
        "p4st4s-mcp-audit"
      ],
      "env": {
        "AUDIT_SECRET": "YOUR_AUDIT_SECRET_HERE"
      }
    }
  }
}

Frequently Asked Questions

Mcp Firewall is categorized under Security and uses a local stdio subprocess. In contrast, Mcp Audit belongs to Security using local stdio subprocess. Select Mcp Firewall when you need capabilities focused on security and Mcp Audit when you require tools for security.

More alternatives to Mcp Firewall More alternatives to Mcp Audit Security category hub