What is mcp-security-guard?
mcp-security-guard is a MCP server by petrovicistefan that audit the MCP servers you use against the OWASP MCP Top 10: tool poisoning, rug pulls, shadowing, secrets and supply-chain risk, with runtime guards, approved-server policy and adversarial. It is listed under Security and has no public popularity data yet.
| Type | Mcp server |
|---|---|
| Author | petrovicistefan |
| Repository | petrovicistefan/mcp-security-guard |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (80/100) |
| Rank | #4,297 of 4,418 MCP servers; #244 in Security |
| License | MIT |
| Last commit | 2026-10-17 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is mcp-security-guard safe to install?
mcp-security-guard scores 80/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| Needs an API key or account login | Note |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install mcp-security-guard?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/petrovicistefan/mcp-security-guard
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add mcp-security-guard -- <command from README> claude mcp add --transport http mcp-security-guard <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs mcp-security-guard for you:
Add the "mcp-security-guard" MCP server from https://github.com/petrovicistefan/mcp-security-guard to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.