Business-Day Oracle
Working days, ISDA conventions and deadlines for 250 countries and 30 financial markets.
What it does
Business-Day Oracle is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)Hosted endpoint
https://bizday.noahsarch.tech/mcpstreamable-http
In Claude Code: claude mcp add --transport http business-day-oracle https://bizday.noahsarch.tech/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"business-day-oracle": {
"url": "https://bizday.noahsarch.tech/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 2h agoONLINE Business-Day Oracle answered an MCP connection on 31 Oct 2026 and introduced itself as business-day-oracle 0.1.0 (MCP protocol 2025-06-18).
8 tools offered to AI assistants
is_working_day· Say whether a date is a working day in a country/subdivision or market, and why not (weekend, holiday name, holiday observed, projected lunar holiday). Example: date '2027-03-10', country 'SA'. Calendar selection: country (ISO 3166-1 alpha-add_working_days· Move N working days from a date, skipping weekends and holidays; returns the end date and every skipped day with its reason. Delivery promises, SLA clocks, payment terms in business days. Example: start_date '2026-12-23', days 5, country 'Dworking_days_between· Count working days between two dates with endpoint control; lists the non-working days. Leave cost, lateness, elapsed business days. Example: '2026-05-18' → '2026-06-05', country 'AE', inclusive 'both'. Calendar selection: country (ISO 3166roll_date· Apply a business-day convention (following, modified following, preceding, modified preceding) to a date on a country or market calendar — payment dates, coupon dates, settlement, SLA due dates. Example: date '2026-05-31', convention 'modifcompute_deadline· Compute the end of a period ('within 30 calendar days', '10 working days', '3 months') from a start date under explicit counting rules, roll it by the chosen convention when it lands on a non-working day, and return raw vs final deadline, slist_holidays· All holidays of a year for a country/subdivision/categories or a market, each with local and English names, whether it is observed/shifted, projected (lunar), on a weekend, and whether it counts as non-working. Example: year 2027, country 'next_holiday· The next N holidays on or after a date with days_until and projection flags. Example: from_date '2026-11-01', country 'JP', count 3. Calendar selection: country (ISO 3166-1 alpha-2, e.g. 'SA', 'DE', 'US') or market (MIC, e.g. 'XNYS', 'XLON'list_calendars· Discover calendars: without arguments, all 250 countries and 30 markets; with a country code, its legal weekend, subdivision codes, holiday categories, languages, year range and public sources. Free. Example: country 'US'. Response: result
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Version | 0.1.1 | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| Hosted endpoint | https://bizday.noahsarch.tech/mcp | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| Website | https://agents.noahsarch.tech/ | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 59m ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 59m ago |
Change history
- VERSION31 Oct 20260.1.0 → 0.1.1
- NEW31 Oct 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Business-Day Oracle still online?
Free alerts · no account▲ 0Do you run Business-Day Oracle? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
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<a href="https://electraindex.com/mcp/business-day-oracle?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/business-day-oracle" alt="Listed on Electra Index"></a>Questions about Business-Day Oracle
How do I connect Business-Day Oracle?
Use the hosted endpoint https://bizday.noahsarch.tech/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Business-Day Oracle offer?
When Electra Index connected on 31 Oct 2026, it listed 8 tools: is_working_day, add_working_days, working_days_between, roll_date, compute_deadline, list_holidays, next_holiday, list_calendars. The full list is in "Live check" above.
Is Business-Day Oracle online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.