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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesMCP server · Data access / search
NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.
1 failed · 8 not measured
Median of successful probes over 7 days
Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.
Tool definitions returned by this server
Independent monitoring
Outdated check
Last connection measurement is over 24 hours old. Current availability is unknown.
Last checked| Test area | Passed | Failed | Unmeasured |
|---|---|---|---|
ConnectionCan a client connect and discover tools? | 5 | 0 | 0 |
Reliability & speedDoes it respond consistently and quickly? | 0 | 0 | 4 |
Access & authenticationWhat is required to use this server? | 1 | 0 | 2 |
Tool qualityAre the tool definitions usable by an agent? | 4 | 0 | 0 |
Publisher identityCan the publisher be traced to its source? | 3 | 1 | 2 |
Unmeasured means there is not enough evidence to decide. How these checks work
Start using Business Day Calendars
Choose your client, copy the configuration, then enable the server in your client’s MCP settings.
Run this command in your terminal, then restart Claude Code.
Claude Code
claude mcp add --transport http business-day-calendars https://business-days.quietworklabs.workers.dev/mcpCapabilities
Adds (or with negative days subtracts) N business days to a date on a joint calendar (NYSE, Fedwire/FedACH, TARGET2, UK) and lists the holidays skipped. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredRolls a date that falls on a weekend or holiday using a business-day convention: following, modified_following, preceding, modified_preceding. Typical for payment, coupon and invoice due dates. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredCounts business days between two dates on a joint calendar: days after start up to and including end (inclusive=true also counts start). Negative if end is before start. Lists weekday holidays in range. Max 10 years. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredWhether a date is a business day on one or more settlement calendars (NYSE, Fedwire/FedACH, TARGET2, UK), which holiday closes it, NYSE early closes, and the previous/next business day. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredLists closing days for one calendar and year (2000-2099): NYSE full closures and 1 pm early closes, Federal Reserve (Fedwire/FedACH) holidays with Saturday/Sunday observance rules, TARGET2 closing days, UK England & Wales bank holidays with substitute days. Weekend-only holidays with no weekday closure are omitted. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredSettlement date T+N for a trade date on a joint calendar. Default XNYS,FED with t=1 (US equities since 28 May 2024). If the trade date is not a business day it is first rolled to the next one. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
DiscoveredRecent measurements
| Checked | Result | Response | Tools |
|---|---|---|---|
| Connected | 47 ms | 6 |