MCP server for US individual taxpayers — 39 tools for federal/state tax calculations, credits, deductions, retirement strategies, and tax planning. All calculations run locally. TY2024 + TY2025 (OBBB Act).
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add irs-taxpayer -- npx -y irs-taxpayer-mcp~/.codex/config.toml
[mcp_servers.irs-taxpayer]
command = "npx"
args = ["-y", "irs-taxpayer-mcp"]
# codex mcp add irs-taxpayer -- npx -y irs-taxpayer-mcp~/.cursor/mcp.json
{
"mcpServers": {
"irs-taxpayer": {
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"irs-taxpayer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"irs-taxpayer": {
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"irs-taxpayer": {
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"irs-taxpayer": {
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}