MCP server for US Federal, territorial, and state tax law and compliance.
Connect Runs on your machine
claude mcp add taxcode -e TAXCODE_API_KEY=<TAXCODE_API_KEY> -e TAXCODE_BASE_URL=<TAXCODE_BASE_URL> -e TAXCODE_MCP_PROFILE=<TAXCODE_MCP_PROFILE> -e TAXCODE_MCP_READONLY=<TAXCODE_MCP_READONLY> -- uvx mcp-server-taxcode==1.3.0{
"mcpServers": {
"taxcode": {
"command": "uvx",
"args": [
"mcp-server-taxcode==1.3.0"
],
"env": {
"TAXCODE_API_KEY": "<TAXCODE_API_KEY>",
"TAXCODE_BASE_URL": "<TAXCODE_BASE_URL>",
"TAXCODE_MCP_PROFILE": "<TAXCODE_MCP_PROFILE>",
"TAXCODE_MCP_READONLY": "<TAXCODE_MCP_READONLY>"
}
}
}
}{
"mcpServers": {
"taxcode": {
"command": "uvx",
"args": [
"mcp-server-taxcode==1.3.0"
],
"env": {
"TAXCODE_API_KEY": "<TAXCODE_API_KEY>",
"TAXCODE_BASE_URL": "<TAXCODE_BASE_URL>",
"TAXCODE_MCP_PROFILE": "<TAXCODE_MCP_PROFILE>",
"TAXCODE_MCP_READONLY": "<TAXCODE_MCP_READONLY>"
}
}
}
}{
"servers": {
"taxcode": {
"type": "stdio",
"command": "uvx",
"args": [
"mcp-server-taxcode==1.3.0"
],
"env": {
"TAXCODE_API_KEY": "<TAXCODE_API_KEY>",
"TAXCODE_BASE_URL": "<TAXCODE_BASE_URL>",
"TAXCODE_MCP_PROFILE": "<TAXCODE_MCP_PROFILE>",
"TAXCODE_MCP_READONLY": "<TAXCODE_MCP_READONLY>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
TAXCODE_API_KEYOptional, secret | API token for service authentication |
TAXCODE_BASE_URLOptional | Optional REST base URL override |
TAXCODE_MCP_PROFILEOptional | Server profile (full, system, statutes, compliance, readonly, researcher, advisor) |
TAXCODE_MCP_READONLYOptional | Restrict server execution strictly to read-only inspection tools |
Details
| Package | [email protected] (PYPI, stdio) |
| Package | ghcr.io/christianclaudio/mcp-server-taxcode:1.3.0 (OCI, stdio) |
| First published | 9 Nov 2026 |
| Last updated | 9 Nov 2026 |
| Registry name | io.github.christianclaudio/taxcode |
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