io.github.donniertf-hub/us-business-calendar-mcp · v1.0.0 · productivity
US Business Calendar MCP is healthy: it completed an MCP handshake in 463 ms and exposes 9 tools.
US federal holidays, business-day maths, invoice due dates and IRS deadlines.
Endpoint: https://us-business-calendar-mcp.donniertf.workers.dev/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 9 |
| Latency | 463 ms |
| Last checked (UTC) | 2026-10-30T01:10:22.008Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-30T01:10:22.008Z | Healthy | 463 |
next_holidays | FREE. Next 3 US federal holidays (with observed dates) and whether today is a business day. |
business_days | PRO. Count US business days between two dates (excludes weekends and federal holidays). |
due_date | PRO. Due date after N business days or N calendar days (rolled to next business day) — Net 30/60, ACH settlement, contract notice periods. |
irs_deadlines | PRO. Upcoming IRS filing and payment deadlines for the next N months (individual, payroll, corporate), adjusted for weekends/holidays; optional fiscal_year_end. |
domain_age | FREE. Domain trust quick check: registration date, age in days, registrar, expiry and risk flags from RDAP. Accepts a domain or URL. |
domain_trust_report | Full domain/URL trust report: RDAP registration, registrar, status, nameservers, plus active TLS certificates and issuers from crt.sh, with risk flags. |
cert_history | Active TLS certificates for a domain from Certificate Transparency logs (crt.sh): issuers, names, validity dates. |
email_domain_check | Email/domain deliverability check: MX records, SPF and DMARC policy for a domain or email address (DNS over HTTPS). |
iban_validate | FREE. Validate an IBAN offline: country, length and ISO 13616 mod-97 checksum, plus bank code and formatted IBAN. No outside source. |