Shareholder Report |
6 Months Ended | |||||||||||||||||||||||||||||||||
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May 31, 2026
USD ($)
Holdings
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| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||||
| Document Type | N-CSR | |||||||||||||||||||||||||||||||||
| Amendment Flag | false | |||||||||||||||||||||||||||||||||
| Registrant Name | MSS SERIES TRUST | |||||||||||||||||||||||||||||||||
| Entity Central Index Key | 0001368578 | |||||||||||||||||||||||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||||||||||||||||||||||
| Document Period End Date | May 31, 2026 | |||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |||||||||||||||||||||||||||||||||
| True Rock Fund | ||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||||
| Fund Name | One Rock Fund | |||||||||||||||||||||||||||||||||
| Class Name | Institutional Class | |||||||||||||||||||||||||||||||||
| Trading Symbol | ONERX | |||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] |
Additional Information: This contains information about One Rock Fund - ONERX (the “Fund”) for the period December 1, 2025 to May 31, 2026. |
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| Additional Information [Text Block] |
You can find additional information about the Fund, including its prospectus, financial information, holdings, and proxy voting information, by visiting https://www.truerockfund.com. You can also request this information by contacting us at 1-800-564-3899.
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| Expenses [Text Block] |
EXPENSE INFORMATION What was the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 83 | |||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.28% | |||||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | Past performance is not a good predictor of future performance | |||||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] |
TRAILING RETURNS
*Annualized Returns Since Inception – March 6, 2020.
Past performance is not a good predictor of future performance. The returns shown do not reflect taxes that a shareholder would pay on Fund distributions or on the redemption of Fund shares. Updated performance data current to the most recent month-end can be obtained by calling 1-800-564-3899.
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| Net Assets | $ 56,765,495 | |||||||||||||||||||||||||||||||||
| Holdings Count | Holdings | 55 | |||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 193,661 | |||||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 329.75% | |||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] |
ABOUT THE FUND
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| Holdings [Text Block] |
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| Largest Holdings [Text Block] |
TOP 10 HOLDINGS (% OF NET ASSETS)
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| Material Fund Change [Text Block] |
Material Fund Changes Effective May 12, 2026, the Board appointed Bob Anastasi as Treasurer, Secretary and Chief Compliance Officer of the Trust and approved Hanover Fund Administration, LLC (“Hanover”) to provide administrator and compliance services to the Trust, replacing Empirical Administrators, LLC. Mr. Anastasi is the owner/president of Hanover, and also the vice president of MSS.
Effective June 26, 2026, One Rock Fund was renamed True Rock Fund. The ticker also changed from ONERX to TRUEX. |
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| Updated Prospectus Phone Number | 1-800-564-3899 | |||||||||||||||||||||||||||||||||
| Updated Prospectus Web Address | https://www.truerockfund.com | |||||||||||||||||||||||||||||||||