Tax Calc MCP server

by theluckystrike·io.github.theluckystrike/tax-calc·v1.0.1

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US federal income tax estimates: brackets, marginal rate, effective rate. Planning values.

A88/100grade A

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A88/100

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If you have run it, two minutes of your experience saves the next person an afternoon.

Tax Calc tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

How Tax Calc compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 88/100; higher than 75% of 48,255 servers

Release history: 2 versions in the registry since 2026-09-27, latest 2026-10-09, typically one every 12 days.

Install Tax Calc in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

What the publisher says

From the Tax Calc repository's README, as published. We do not edit it. Read it on GitHub

MCP servers by theluckystrike

Practical Model Context Protocol servers for people who work inside Claude, Cursor and other MCP clients. Every server runs locally over stdio, keeps all data on your machine, and has a genuinely useful free tier. Pro unlocks the limits for a one-time payment: $19 per server or $39 for the bundle, lifetime.

46 servers plus the office-suite aggregator, 45 of them also reachable as a hosted endpoint with no install.

No install? Use any server instantly as a hosted endpoint: https://mcp.zovo.one/mcp/ — or browse the catalog at mcp.zovo.one.

That is the invoice server answering a real prompt: a client, some hours, a VAT rate, and a numbered PDF at the end. Every server in the table below has a demo like it.

Two ways to run any of these, both working today.

One click. Download the server's .mcpb bundle from the latest release and open it in Claude Desktop. No terminal, no config file.
No install at all. Point a client at https://mcp.zovo.one/mcp/. GET https://mcp.zovo.one/mcp/connect mints a free token and prints a ready URL for each server.

A third way is coming and does not work yet: the npm packages are unpublished, so npx -y @theluckystrike/mcp- returns 404 today. The commands below are written for the day it is published; use one of the two paths above until then.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Tax Calc: common questions

Is Tax Calc MCP server safe?: Yes, by our scan: it is graded A (88/100). Read the Tax Calc safety report
Does Tax Calc need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Tax Calc maintained?: The last commit was 38 days ago (2026-09-27). The latest release is v1.0.1.