The following tags are currently supported from the full MXP specification:
| MXP Tag | % | Notes |
| <!ELEMENT> | 100 | |
| <!ATT> | 100* | |
| <!ENTITY> | 100* | |
| <!TAG> | 0 | This was silently added to the spec without even a timestamp update. At this point we haven't catched up yet. |
| <VAR> | 100* | |
| <B> | 100 | |
| <I> | 100 | |
| <U> | 100 | |
| <S> | I | wxWidgets currently does not support strikethrough font |
| <H> | 100* | |
| <COLOR> | 100 | |
| <FONT> | 100 | |
| <NOBR> | 100* | |
| <P> | 100* | |
| <BR> | 100* | |
| <SBR> | 100* | |
| <SEND> | 100 | |
| <A> | 100* | |
| <EXPIRE> | 100* | |
| <VERSION> | 100 | |
| <SUPPORT> | 100* | |
| <SOUND> | 100* | See MSP notes below |
| <MUSIC> | 100* | See MSP notes below |
| <GAUGE> | 100* | |
| <STAT> | 100* | |
| <FRAME> | 95 | Has a few minor bugs that need to be worked out, but it's essentially done |
| <DEST> | 50 | Cursor movement/line erasing/window clearing pending full ANSI support code |
| <RELOCATE> | 0 | Pending USER and PASSWORD |
| <USER> | 0 | Pending new preference system (Leio) |
| <PASSWORD> | 0 | Pending new preference system (Leio) |
| <IMAGE> | 90 | Some minor tag arguments aren't yet handled |
| <FILTER> | I | File filters are zMUD-specific plugins. As such, they do not apply to this project. |