MCP server

FreelancerTax — Canadian self-employed tax math Official

ca.freelancertax/freelancertax

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

Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.

Website

At a glance

Type

MCP server

Publisher

freelancertax.ca (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 1,558 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 freelancertax https://freelancertax.ca/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.freelancertax]
url = "https://freelancertax.ca/mcp"

Gemini CLI

{"mcpServers":{"freelancertax":{"httpUrl":"https://freelancertax.ca/mcp"}}}

Cursor

{"mcpServers":{"freelancertax":{"url":"https://freelancertax.ca/mcp"}}}

VS Code

{"servers":{"freelancertax":{"type":"http","url":"https://freelancertax.ca/mcp"}}}

Antigravity

agy mcp add freelancertax https://freelancertax.ca/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":"freelancertax","server_url":"https://freelancertax.ca/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"freelancertax","server_url":"https://freelancertax.ca/mcp"}

Tools

• cpp_self_employed ~168 tokens
  Compute self-employed CPP contributions for a given year: base + enhanced contributions, CPP2 (second ceiling), total payable, and the tax-deduction vs tax-credit split that goes on the T1 (Schedule 8). Quebec residents pay QPP instead — use estimate_self_employed_tax with province QC for QPP.
• estimate_self_employed_tax ~247 tokens
  Estimate a Canadian self-employed (sole proprietor) person's full tax bill: federal tax, provincial tax, CPP/QPP (incl. CPP2/QPP + QPIP for Quebec), total, after-tax income and effective rate. Fully verified provinces: ON, BC, AB, MB, SK, NS, NB, QC. Other provinces/territories return an honest fede
• get_tax_deadlines ~132 tokens
  Upcoming CRA tax deadlines for Canadian freelancers / self-employed individuals (filing, payment, GST/HST, RRSP, quarterly instalments), each on its CRA effective date with the weekend next-business-day rule applied. Also available as a subscribable calendar feed.
• gst_hst_registration_check ~218 tokens
  Check whether a Canadian small business / freelancer must register for GST/HST under the $30,000 small-supplier tests (single-quarter test and rolling four-quarter test), with the exact mechanics of when to charge and the registration deadline. Set is_rideshare true for taxi/ride-share drivers (they
• gst_quick_method_compare ~270 tokens
  Compare the GST/HST Quick Method against the regular method for a Canadian small business: eligibility (revenue ceiling + excluded professions), remittance under each method, and which one keeps more money. Annual figures.
• instalment_plan ~523 tokens
  Determine whether a Canadian individual must pay quarterly income-tax instalments (the $3,000 / $1,800-Quebec net-tax-owing tests) and compute all three CRA payment options (no-calculation, prior-year, current-year) as quarterly schedules with a suggested no-interest choice. Per the CRA's instalment

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