21 days ago
> MCP Guardian is a runtime security, cost governance, and health monitoring proxy for MCP infrastructure. Three-layer detection engine (regex → schema → LLM), YAML policy engine with hot-reload, 50+ secret patterns + Shannon entropy, AST command validation, JWT algorithm pinning, default-deny fail-closed. Tracks real token costs via tiktoken, monitors server health with circuit breakers, and provides enterprise observability with Prometheus metrics and a web dashboard.
### Tags
`security` `governance` `audit` `proxy` `observability` `cost-tracking` `zero-trust` `llm-security` `mcp` `infrastructure`
### Category
`Security`
Alternatively, you can submit via GitHub issue at: [](https://github.com/chatmcp/mcpso/issues)<https://github.com/chatmcp/mcpso/issues>
Server Config
{
"mcpServers": {
"mcp-guardian": {
"command": "npx",
"args": [
"-y",
"@mcp-guardian/server"
]
}
}
}