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
aperion-shield -- npx -y @modelcontextprotocol/server-postgres postgres://localhost/mydbView 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
Cursor
Claude Desktop
MCP Compatible
Server Information
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