Koskamo

Calcuris MCP

An open-source MCP server that computes tax liabilities locally using real 2026 rates from official sources like the IRS, CRA, ATO, and HMRC. It supports US income tax, paycheck withholding, property tax, Canadian income tax, Australian stamp duty, and UK dividend tax without requiring API keys or network calls.

Package and access

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

Calcuris MCP logo, by tresor4kCommunity listingLocal stdioSource reviewed; not executedPublished by tresor4k
Vendor documentation

What you can do with it

  • Calculate US federal and state income tax with progressive bracket breakdowns
  • Determine US take-home pay including Social Security and Medicare
  • Compute Canadian federal and provincial income tax with CPP/EI deductions
  • Estimate Australian stamp duty with first-home-buyer concessions

Source and maintenance

Community listingRegistry 0.1.1MIT
mcp-registry: io.github.tresor4k/calcuris-mcp@0.1.1Source repositoryProject website
Last repository push
Latest release
v0.1.0
Maintenance checked

Packages and installation

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

calcuris-mcp 0.1.1

npm
calcuris-mcp package definition
{
  "version": "0.1.1",
  "transport": "stdio",
  "identifier": "calcuris-mcp",
  "registryType": "npm"
}

Tools

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

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "calcuris-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "calcuris-mcp@0.1.1"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "calcuris-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "calcuris-mcp@0.1.1"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "calcuris-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "calcuris-mcp@0.1.1"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "calcuris-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "calcuris-mcp@0.1.1"
      ]
    }
  }
}

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