# sec-mcp > sec-mcp is a Python toolkit that checks domains, URLs and IP addresses against ten live blacklist feeds — in process, in microseconds, with no API key and no request leaving the machine. It works as a Python library, a CLI, and an MCP server for LLM workflows. Apache-2.0 licensed, built by Montimage. ## Project - [Landing page](https://montimage.github.io/sec-mcp/): Feature overview, recorded CLI demo, install and API reference - [Landing page (Markdown)](https://montimage.github.io/sec-mcp/index.md): Same content as Markdown for agents - [GitHub repository](https://github.com/montimage/sec-mcp): Source code, README and issue tracker - [PyPI package](https://pypi.org/project/sec-mcp/): pip install sec-mcp ## Optional - [Auth.md](https://montimage.github.io/sec-mcp/auth.md): Agent authentication statement — no auth, registration, or credentials required - [MCP documentation](https://modelcontextprotocol.io/examples): The Model Context Protocol that sec-mcp implements - [Download stats](https://pepy.tech/projects/sec-mcp): PyPI download counters - [Montimage](https://www.montimage.eu): Company behind the project