Since I don't have my books on my ATM, instead of going through and making the character, I'll list some of the things he has displayed over the episodes.
Blade skill, likely with aptitude. Only two people have ever been a match for jack with a blade, and only one has ever beaten him.
Archery. He was in the same league as Robin Hood in archery.
Unarmed combat. He demonstrated roman gladiator grade unarmed skill, and also chucked a Scotsman dozens of meters. Makes fairly regular use of kick attacks. Also trained with some combat type monks.
Has never shown any particular skill with clubs.
No firearms skills
No technical skills
Limited social skills, though very polite, so maybe more etiquette than anything else.
Certainly an adept with a weapon focus.
Great leap from when he learned to 'jump good'
Good at climbing, amazing at gymnastics, amazing balance, not particularly great swimming, good running.
Don't know that his perception is particularly great.
He has done some infiltration, very limited disguise.
Don't know about any palming or shadowing.
No vehicle skills.
Agility and reaction through the roof. Good body and strength. He isn't weak but he isn't a Scotsman.
Great intuition, amazing willpower. Likely limited logic and charisma, though he has shown good force of personality.
So, off the top of my head, 4 bod, 5 agi, 5 rea, 3 str, 5 int, 2 log, 5 wil, 2 cha, 2 edge
Aptitude, adept.
Enemy, pacifist, wanted, astral beacon (Everything always finds jack), uneducated.
Blade (katana) 7
Archery (bow) 4
Unarmed (Wrestling) 4
Gymnastics (jumping) 4
Climbing 3
Swimming 2
Running (sprinting) 4
Adept Powers:
Great Leap
Improved Ability (Blade) 3
Improved Ability (Gymnastics) 2
Improved Reflexes 2
Pure awesomeness:
Able to deflect missiles with his sword