tax-calc MCP

A local-first Model Context Protocol server that provides US federal income tax estimation capabilities, including calculation of tax brackets, marginal rates, and effective rates for financial planning purposes. It runs locally over stdio and keeps all data on the user's machine.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by theluckystrike

Vendor documentation

What you can do with it

Estimate US federal income tax liability
Calculate marginal tax rates
Determine effective tax rates
Plan financial values based on tax brackets

Source and maintenance

Community listingRegistry 1.0.1

mcp-registry: io.github.theluckystrike/tax-calc@1.0.1 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

https://github.com/theluckystrike/mcp-servers/releases/download/v0.22.0/tax-calc.mcpb 1.0.1

mcpbSHA-256 supplied

https://github.com/theluckystrike/mcp-servers/releases/download/v0.22.0/tax-calc.mcpb package definition

{
  "version": "1.0.1",
  "transport": "stdio",
  "fileSha256": "25e7ab4b8f75486b800e3f01c5ce67ee84dd2fbd9bef7ffcc3b9a9711b91ef6b",
  "identifier": "https://github.com/theluckystrike/mcp-servers/releases/download/v0.22.0/tax-calc.mcpb",
  "registryType": "mcpb"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

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