Adversarial fuzzer for MCP servers — dynamically break Model Context Protocol endpoints. Shell injection, SSRF, overflow, type confusion, prompt injection probes. Zero-dep Python core.
Quick Install
Copy the config for your editor. Some servers may need additional setup — check the README.
Add to claude_desktop_config.json:
{
"mcpServers": {
"mcp-guard": {
"command": "uvx",
"args": [
"mcp-guard"
]
}
}
}
Run in terminal:
claude mcp add mcp-guard uvx mcp-guard
Add to .cursor/mcp.json:
{
"mcpServers": {
"mcp-guard": {
"command": "uvx",
"args": [
"mcp-guard"
]
}
}
}
Or install with pip: pip install mcp-guard