From a theoretical standpoint, 121 is the maximum spell craft I can come up with for this max spell power build without using store pots / abishai cookies.
Code:
Int (human)
18 base
7 levels
5 tome
Build 30
1 human enh
6 Epic destiny
1 tier 1 twist
2 completionist
3 epic feats
+ED / feat / enh 43
11 item
3 insight
1 exceptional
+items 58
2 inspire exellence
2 airship
+buffs 62
2 yugo
3 alchemical
3 action boost
+short term 70
spell craft
23 ranks
8 epic
Base 31
3 luck item
6 exceptional skills
20 spellsight
+items 60
2 completionist
3 skill focus feat
5 epic skill focus
+feats 70
4 greater heroism
1 profane bonus
+easy buffs 75
4 action boost
3 alchemical skills
+short term 82
2 inspire competance
5 insight (monk void light void)
2 monk (fire light fire)
+from others 91
30 max int mod.
Total Spell Craft 121
Idol of goodfortune can be used for +3 luck as the eardweller clicky supersedes the planar conflux set.
This would increase to 124 if abishai cookies and store pots are counted.