You could make the argument it's a construct, but I went with Undead so they can be created via Animate Dead X spells
Crawling Claw (Diminuative Undead Walker — 28 XP): Str 1, Dex 10, Con 10, Int 1, Wis 5, Cha 5; SZ D (1×1, Reach 1); Spd 10 ft. ground; Init I; Atk IV; Def I; Resilience I; Health I; Comp I; Skills: Athletics I; Qualities: charge attack, grappler, hive mind, mook, superior jumper I, swarm.
Attacks/Weapons: Claw I (bleed; finesse), Swarm of Claws (sprawling I)
Swarm of Claws* The nearby claws fling themselves onto the target, seeking to knock them to the ground.
Fort save DC 10 + Swarm modifier or target becomes Sprawled.
Charge Attack (+2 XP): Up to 3 times per combat, the NPC
may take a free Standard Move before attacking.
Hive Mind (+2 XP): The NPC shares thoughts and reactions
with others of his species within 1 mile. He cannot become
blinded, deafened, flanked or flat-footed unless all others of his
kind who can see and hear him already suffer the condition.
Swarm (+2 XP): The NPC can make simultaneous attacks
with others of his species. A single attack check is made with
a bonus equal to the number of NPCs involved. With a hit,
the target suffers the attack’s base damage only once, but it’s
multiplied by 1/2 this bonus (rounded down).
Crawling Claw (Diminuative Undead Walker — 28 XP): TL: 3
Str: 1/-5; Dex: 10/+0; Con: 10/+0; Int: 1/-5; Wis: 5/-3; Cha: 5/-3;
Init: +1=1+0(dex) Melee: -2=3-5(str) Fort: +1=1+0(con)
Health: -5=1+0(con)-6(size) ~ 15/4 Ranged: +3=3+0(dex) Ref: +1=1+0(dex)
Def: 15=10+1+0(dex)+4(size) Comp: +1 Will: -2=1-3(wis)
Size: Diminuative (1×1); Reach: 1; Speed: 10 ft. ground;
Skills: Athletics I (Str) -2 = 3-5
Qualities: charge attack, grappler, hive mind, mook, superior jumper I, swarm.
Attacks: Claw I [1d3/20] (bleed; finesse), Swarm of Claws [DC 10] (sprawling I)
* Poison Claws
* Acid Claws
* + Shocking Grasp
And best of all, easily affordable for a Level 1 Reaper.