v3.26.1
Cover
Mar. 24, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 24, 2026
Entity File Number 001-41344
Entity Registrant Name METAL SKY STAR ACQUISITION CORPORATION
Entity Central Index Key 0001882464
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 221 River Street
Entity Address, Address Line Two 9th Floor
Entity Address, City or Town Hoboken
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07030
City Area Code (332)
Local Phone Number 237-6141
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false