v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name McKinley Acquisition Corporation  
Entity Central Index Key 0002067592  
Entity File Number 001-42799  
Entity Tax Identification Number 98-1852078  
Entity Incorporation, State or Country Code E9  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Address, Address Line One 75 Second Ave.  
Entity Address, Address Line Two Suite 605  
Entity Address, City or Town Needham  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02494  
City Area Code 617  
Local Phone Number 671-5148  
Class A ordinary shares, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol MKLY  
Security Exchange Name NASDAQ  
Rights, one right to receive one-tenth (1/10th) of one Class A ordinary share    
Document Information [Line Items]    
Title of 12(b) Security Rights, one right to receive one-tenth (1/10th) of one Class A ordinary share  
Trading Symbol MKLYR  
Security Exchange Name NASDAQ  
Units, each consisting of one Class A ordinary share and one right to receive one-tenth (1/10th) of one Class A ordinary shares    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one right to receive one-tenth (1/10th) of one Class A ordinary shares  
Trading Symbol MKLYU  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   17,801,250
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,543,103