Aperion Shield for Cursor
io.github.aperionai/shield
Local guardrail proxy that blocks destructive MCP tool calls, rug pulls, and tool poisoning
client:Cursor
transport:stdio
runtime:oci
Install Aperion Shield in Cursor
~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json
{
"mcpServers": {
"shield": {
"type": "stdio",
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/aperionai/shield:shield-v1.0.1"
]
}
}
}
Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs