MCP Shield runs on your own machine — the client starts it, so there is no endpoint to ping. 34 installs a week from npm. Last commit 9 Jun 2026.
Security scanner for MCP servers. SSRF, path traversal, injection, auth, secrets. Grade A-F.
Today is the operative word: we check MCP Shield every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-shield -- npx -y @sophiacave/mcp-shield
{
"mcpServers": {
"mcp-shield": {
"args": [
"-y",
"@sophiacave/mcp-shield"
],
"command": "npx"
}
}
}
[mcp_servers.mcp-shield]
command = "npx"
args = ["-y", "@sophiacave/mcp-shield"]
{
"mcpServers": {
"mcp-shield": {
"args": [
"-y",
"@sophiacave/mcp-shield"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp-shield": {
"args": [
"-y",
"@sophiacave/mcp-shield"
],
"command": "npx"
}
}
}
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Security scanner for AI Agent skills, plugins, and MCP servers with A-F grading.
Answers built from our own checks of this server.