The paper describes faust-mcp, a Pd abstraction which interfaces Faust to control surfaces utilizing the Mackie Control Protocol (MCP). It builds on the author's Pd-Faust software which enables you to run dsp programs (such as synthesizers and effects) written in Grame's Faust programming language inside Pd. The add-on can be used to control Faust dsps in Pd using MCP-compatible controller hardware and software.