Koskamo

irs-taxpayer-mcp

An open-source tax estimation and planning assistant for US individual taxpayers using Model Context Protocol. It provides a deterministic local tax engine with tools for federal/state tax calculations, credits, deductions, retirement strategies, and tax planning for TY2024 through TY2026. All calculations run locally without requiring IRS login or SSN.

Package and access

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

irs-taxpayer-mcp logo, by dma9527Community listingLocal stdioSource reviewed; not executedPublished by dma9527
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 13 GitHub stars

What you can do with it

  • Calculate federal and state tax liabilities
  • Estimate tax credits and deductions
  • Plan retirement strategies
  • Compare itemized vs standard deduction

Source and maintenance

Community listingRegistry 1.1.0MIT
mcp-registry: io.github.dma9527/irs-taxpayer@1.1.0Source repository
Last repository push
Latest release
v1.2.2
Maintenance checked

Packages and installation

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

irs-taxpayer-mcp 1.1.0

npm
irs-taxpayer-mcp package definition
{
  "version": "1.1.0",
  "transport": "stdio",
  "identifier": "irs-taxpayer-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.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "irs-taxpayer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "irs-taxpayer-mcp@1.1.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "irs-taxpayer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "irs-taxpayer-mcp@1.1.0"
      ]
    }
  }
}

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": {
    "irs-taxpayer-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "irs-taxpayer-mcp@1.1.0"
      ]
    }
  }
}

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": {
    "irs-taxpayer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "irs-taxpayer-mcp@1.1.0"
      ]
    }
  }
}

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