- Registry update
- Oct 15, 2026
Connect
remote$claude mcp add --transport http quarterlytax-mcp https://mcp.quarterlytax.al157.xyz/mcpHeaders
Nothing to configure — it works as is.
Security review
Review passedReviewed 2h ago.
- tools
- 2 tools scanned
- metadata
- scanned
No findings.
Tools
2estimateQuarterlyTax
Estimate US federal + state quarterly estimated tax payments for a self-employed person. Given annual Schedule C net profit, filing status, two-letter US state code, tax year, and whether the §199A QBI deduction applies, returns annual federal income+SE tax, rough state income tax, SE tax, combined total, the per-quarter installment amount (4 equal payments), and a deep link that opens the site calculator pre-filled with these inputs. Read-only calculation; no data is stored.
getPaymentCalendar
Return the 4 federal quarterly estimated tax payment due dates for a tax year (Apr/Jun/Sep 15 and Jan 15 of the following year, rolled forward past weekends and IRS holidays to the real deadline), plus a deep link to the site. Read-only.
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Listing from the official MCP Registry.