Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. TOFU catalog pinning against rug pulls, plus tool-poisoning and result-injection scanning. Single

Installation

⭐ RecommendedAperion-shield
aperion-shield -- npx -y @modelcontextprotocol/server-postgres postgres://localhost/mydb
View configuration snippet
{
  "mcpServers": {
    "postgres": {
      "command": "aperion-shield",
      "args": [
        "--",
        "npx",
        "-y",
        "@modelcontextprotocol/server-postgres",
        "postgres://localhost/mydb"
      ]
    }
  }
}

💡 Tip: Make sure you have the appropriate package manager installed. Refer to the official documentation for detailed installation instructions.

Compatibility Matrix

Filter:

Cursor

STDIO
stdio:From mcp.so (unverified)

Claude Desktop

STDIO
stdio:From mcp.so (unverified)

MCP Compatible

STDIO
stdio:From mcp.so (unverified)
Verified - Tested by community
Unverified - Not yet tested
⚡ STDIO🌊 SSE🌐 HTTP

Server Information

License:unknown
Classification:active
Source:Data aggregated from public MCP directories

Quick Stats

Transports:
STDIO
Compatible Clients:3
Install Methods:1

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