Zovo Date Calculator
Calculate days between dates, business days, and holidays for any country or US state.
Counts calendar days, business days, and working days between two dates while accounting for weekends and public holidays. Calculates future or past dates by a number of days or business days. Lists public holidays for any country or region. Supports 50+ countries and US states.
Try asking Muse: "How many business days until my contract deadline on January 15, 2027 in Texas?"
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Source: Found in the official MCP Registry (io.github.theluckystrike/date-calculator) · First listed October 29, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://date-calculator.zovo.one/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Zovo Date Calculator is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://date-calculator.zovo.one/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 289ms. Worked in n/a of checks over 30 days.
Screening · October 29, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 3
count_days_betweenUse this when the user asks how many days are between two dates (days between dates, count days, date calculator), how many business days or working days are between two dates, or days between dates excluding weekends and public holidays for a country or US state. Returns calendacalculate_date_offsetUse this when the user wants the date that is N days or N business days (working days) before or after a date: 'what date is 90 days from today', '30 business days from Nov 3, 2026 in Germany', '10 working days before 2027-01-15', shipping or contract deadlines. Business days skilist_holidaysUse this when the user asks which public holidays (bank holidays) a country or a state/region has in a year, e.g. 'Poland public holidays 2026' or 'Texas state holidays 2027', usually to plan working days. Returns each holiday with date, weekday, English name and whether it fallsLink
https://date-calculator.zovo.one/mcpQuestions about Zovo Date Calculator in Muse
How do I connect Zovo Date Calculator to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Zovo Date Calculator to help me. It is a free service with an MCP server at https://date-calculator.zovo.one/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Zovo Date Calculator working right now?
At the last check (October 29, 2026, 19:26 UTC) the endpoint was working, answering in 289ms. It is checked every 15 minutes.
Is Zovo Date Calculator safe to connect to Muse?
It was screened on October 29, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Zovo Date Calculator do in Muse?
It exposes 3 tools, including count_days_between, calculate_date_offset, list_holidays. For example, you could ask Muse: "How many business days until my contract deadline on January 15, 2027 in Texas?"
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