mcp-server-taxcode MCP

An enterprise-grade MCP server providing deterministic compliance models for US Federal, territorial, and multi-state tax law. It utilizes a FastMCP architecture with sub-servers for system health, statutory lookup, and compliance evaluation, backed by a DuckDB engine containing 143 statutes and 37 publications for computational residency and capital gains calculations.

Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by christianclaudio

Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

Popularity 1 GitHub star

What you can do with it

Lookup specific tax statutes by jurisdiction and section
Evaluate bona fide residency status for tax purposes
Calculate built-in gain sourcing for tax compliance
Search tax code publications using full-text search

Source and maintenance

Community listingRegistry 1.2.0Apache-2.0

mcp-registry: io.github.christianclaudio/taxcode@1.2.0 Source repository

Last repository push: Nov 2, 2026, 3:56 PM UTC
Latest release: v1.2.0
Maintenance checked: Nov 2, 2026, 5:13 PM UTC

Packages and installation

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

ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0

oci

ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0 package definition

{
  "transport": "stdio",
  "identifier": "ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0",
  "registryType": "oci",
  "environmentVariables": [
    {
      "name": "TAXCODE_API_KEY",
      "description": "API token for service authentication"
    },
    {
      "name": "TAXCODE_BASE_URL",
      "default": "https://api.example.com",
      "description": "Optional REST base URL override"
    },
    {
      "name": "TAXCODE_MCP_PROFILE",
      "default": "full",
      "description": "Server profile (full, system, statutes, compliance, readonly, researcher, advisor)"
    },
    {
      "name": "TAXCODE_MCP_READONLY",
      "default": "0",
      "description": "Restrict server execution strictly to read-only inspection tools"
    }
  ]
}

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.

Nov 2, 2026, 5:13 PM UTC · repository · passed · metadata changed · updated
Nov 2, 2026, 5:13 PM UTC · 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": {
    "mcp-server-taxcode-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "TAXCODE_API_KEY=<YOUR_TAXCODE_API_KEY>",
        "-e",
        "TAXCODE_BASE_URL=<YOUR_TAXCODE_BASE_URL>",
        "-e",
        "TAXCODE_MCP_PROFILE=<YOUR_TAXCODE_MCP_PROFILE>",
        "-e",
        "TAXCODE_MCP_READONLY=<YOUR_TAXCODE_MCP_READONLY>",
        "ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0"
      ],
      "env": {
        "TAXCODE_API_KEY": "<YOUR_TAXCODE_API_KEY>",
        "TAXCODE_BASE_URL": "<YOUR_TAXCODE_BASE_URL>",
        "TAXCODE_MCP_PROFILE": "<YOUR_TAXCODE_MCP_PROFILE>",
        "TAXCODE_MCP_READONLY": "<YOUR_TAXCODE_MCP_READONLY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "mcp-server-taxcode-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "TAXCODE_API_KEY=<YOUR_TAXCODE_API_KEY>",
        "-e",
        "TAXCODE_BASE_URL=<YOUR_TAXCODE_BASE_URL>",
        "-e",
        "TAXCODE_MCP_PROFILE=<YOUR_TAXCODE_MCP_PROFILE>",
        "-e",
        "TAXCODE_MCP_READONLY=<YOUR_TAXCODE_MCP_READONLY>",
        "ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0"
      ],
      "env": {
        "TAXCODE_API_KEY": "<YOUR_TAXCODE_API_KEY>",
        "TAXCODE_BASE_URL": "<YOUR_TAXCODE_BASE_URL>",
        "TAXCODE_MCP_PROFILE": "<YOUR_TAXCODE_MCP_PROFILE>",
        "TAXCODE_MCP_READONLY": "<YOUR_TAXCODE_MCP_READONLY>"
      }
    }
  }
}

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": {
    "mcp-server-taxcode-mcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "TAXCODE_API_KEY=<YOUR_TAXCODE_API_KEY>",
        "-e",
        "TAXCODE_BASE_URL=<YOUR_TAXCODE_BASE_URL>",
        "-e",
        "TAXCODE_MCP_PROFILE=<YOUR_TAXCODE_MCP_PROFILE>",
        "-e",
        "TAXCODE_MCP_READONLY=<YOUR_TAXCODE_MCP_READONLY>",
        "ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0"
      ],
      "env": {
        "TAXCODE_API_KEY": "<YOUR_TAXCODE_API_KEY>",
        "TAXCODE_BASE_URL": "<YOUR_TAXCODE_BASE_URL>",
        "TAXCODE_MCP_PROFILE": "<YOUR_TAXCODE_MCP_PROFILE>",
        "TAXCODE_MCP_READONLY": "<YOUR_TAXCODE_MCP_READONLY>"
      }
    }
  }
}

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": {
    "mcp-server-taxcode-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "TAXCODE_API_KEY=<YOUR_TAXCODE_API_KEY>",
        "-e",
        "TAXCODE_BASE_URL=<YOUR_TAXCODE_BASE_URL>",
        "-e",
        "TAXCODE_MCP_PROFILE=<YOUR_TAXCODE_MCP_PROFILE>",
        "-e",
        "TAXCODE_MCP_READONLY=<YOUR_TAXCODE_MCP_READONLY>",
        "ghcr.io/christianclaudio/mcp-server-taxcode:1.2.0"
      ],
      "env": {
        "TAXCODE_API_KEY": "<YOUR_TAXCODE_API_KEY>",
        "TAXCODE_BASE_URL": "<YOUR_TAXCODE_BASE_URL>",
        "TAXCODE_MCP_PROFILE": "<YOUR_TAXCODE_MCP_PROFILE>",
        "TAXCODE_MCP_READONLY": "<YOUR_TAXCODE_MCP_READONLY>"
      }
    }
  }
}

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