During its lifetime, McStas efforts at Risø have been supported through several European Union RTD and JRA programmes:
| EU programme | Program type | Funding period |
| XENNI | RTD (FP4) | February 1st 1996 - January 31st 2000 |
| Cool Neutrons | RTD (FP4) | May 1st 1998 - April 30th 2001 |
| SCANS | RTD (FP5) | March 1st 2000 - February 29th 2004 |
| MCNSI | JRA in NMI3 (FP6) | January 1st 2004 - January 1st 2008 |
| MCNSI | JRA in NMI3 (FP6) | January 1st 2004 - January 1st 2008 |