MCP server

Tax Regulations

io.github.pipeworx-io/tax-regulations

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Tax Regulations MCP — US Treasury / IRS regulations (26 CFR, 'Treas. Reg.').

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 27,125 tokens per request once connected44 tools

https://gateway.pipeworx.io/tax-regulations/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 44
Token cost: About 27,125 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http tax-regulations https://gateway.pipeworx.io/tax-regulations/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.tax-regulations]
url = "https://gateway.pipeworx.io/tax-regulations/mcp"

Gemini CLI

{"mcpServers":{"tax-regulations":{"httpUrl":"https://gateway.pipeworx.io/tax-regulations/mcp"}}}

Cursor

{"mcpServers":{"tax-regulations":{"url":"https://gateway.pipeworx.io/tax-regulations/mcp"}}}

VS Code

{"servers":{"tax-regulations":{"type":"http","url":"https://gateway.pipeworx.io/tax-regulations/mcp"}}}

Antigravity

agy mcp add tax-regulations https://gateway.pipeworx.io/tax-regulations/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"tax-regulations","server_url":"https://gateway.pipeworx.io/tax-regulations/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"tax-regulations","server_url":"https://gateway.pipeworx.io/tax-regulations/mcp"}

tax_regulation ~460 tokens
Get the full text of one Treasury Regulation / IRS regulation — a US federal tax regulation codified in 26 CFR — by its citation. Returns the exact regulatory wording currently in force. Answers "what does Treas. Reg. 1.170A say", "what is the IRS regulation for X", "the Treasury Regulation on X", "
tax_search ~362 tokens
Keyword search across federal tax regulations — US Treasury / IRS regulations in 26 CFR. Answers "what tax regulations cover X", "the IRS regulation / Treasury Regulation about X", "find the federal tax rule for X". Great for topics: charitable contribution deduction, gross income, business expense

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