Araneaetrodia being agile and intelligent creatures get a +2 to dex and a +1 to int (But no ones care's about stat increases anymore with Tasha's new rule so this part does not really matter)

Web Sense. While in contact with a web, you know the exact location of any other creature in contact with the same web.

Web Walker. You ignore movement restrictions caused by webbing.

Spider Climb. You can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Darkvision 60ft and proficiency in perception because of your many eyes.

Your spider fangs act as a natural weapon, which you can use to make unarmed strikes but the damage and poison is not the same as use of them have faded with more advanced weapons being made. If you hit with it, you deal piercing damage equal to 1D4 + your Dexterity modifier, instead of the bludgeoning damage normal for an unarmed strike. Once per short rest If the attack hits the target you can inject them with poison and they need to make a dc 12 con save or take 1d6 poison damage and be poisoned for 1 minute and if they succeed they take half as much damage and are not poisoned. A poisoned creature may repeat the saving throw on the end of their turns ending the effect on a success.

Using webbing you can make small structures during short/long rest's, down time, or something similar. You can make small non complicated things like a hammock or a small tent you could fit yourself in for example. Starting at 5th level though your added experience has aloud you to fire your webs as projectiles and you can cast the web spell once per long rest. (sav dc equal to 8+procency bonus+dexmod

Your long jump is up to 25 feet and its high jump is up to 15 feet, without a running start.

You have a natural carapace granting you a natural armor of 13+dex mod and proficiency in stealth