Catalyst Governance vs MCP Audit

In-depth architectural comparison of the Catalyst Governance 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.

Which MCP Server Should You Choose?

Choose Catalyst Governance when:

• You need dedicated capabilities in the Security domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: catalyst_my_governance, catalyst_check_action, catalyst_log_task.

Explore Catalyst Governance 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).
• Primary tools included: Stdio and HTTP MCP proxying, JSONL and SQLite audit storage, HMAC-SHA256 audit signing.

Explore MCP Audit Details

Feature & Specification Comparison

Specification	Catalyst Governance Security	MCP Audit P4ST4S Security
Summary	Governance middleware for AI agents: permission gates, approvals, compliance scanning, audit ledger.	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

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "catalyst-governance": {
      "url": "https://catalyst.stratogenic.ai/mcp/sse"
    }
  }
}

{
  "mcpServers": {
    "p4st4s-mcp-audit": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Related MCP Server Comparisons