# mcp-guard

> mcp-guard — m8t-jacob-mcp-guard. Use this tool when you need to identify security vulnerabilities in MCP servers, such as tool poisoning, prompt injection, and command injection. It scans for potential threats and secrets exposure, providing output in SARIF format through a command-line interface or GitHub Action. Ideal for securing MCP servers and preventing attacks, it integrates with git for seamless vulnerability detection.

Canonical page: https://skillsregistry.net/skills/m8t-jacob-mcp-guard  
JSON: https://api.skillsregistry.net/v1/skills/m8t-jacob-mcp-guard

## Description

Static security scanner for MCP servers: tool poisoning, prompt injection, secrets, command injection. CLI + GitHub Action, SARIF output.

## Trust

- **Trust score (0–1):** 0.76
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/M8T-Jacob/mcp-guard)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "m8t-jacob-mcp-guard"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/m8t-jacob-mcp-guard` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/m8t-jacob-mcp-guard/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt