MCP server

AI2Fin (2Fin) Tax MCP Official

com.ai2fin/ai2fin-tax-mcp

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Free public tax MCP: GST/VAT, income, company & capital-gains tax for 50+ countries, source-cited.

Working at last checkVerified publisher: ai2fin.comAbout 6,357 tokens per request once connected10 tools

Source

https://taxmcp.ai2fin.com

At a glance

Type: MCP server
Publisher: ai2fin.com (verified by the MCP Registry)
Status: Working at last check
Tools: 10
Token cost: About 6,357 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS 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 ai2fin-tax-mcp https://taxmcp.ai2fin.com

Claude Desktop

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

Codex (config.toml)

[mcp_servers.ai2fin-tax-mcp]
url = "https://taxmcp.ai2fin.com"

Gemini CLI

{"mcpServers":{"ai2fin-tax-mcp":{"httpUrl":"https://taxmcp.ai2fin.com"}}}

Cursor

{"mcpServers":{"ai2fin-tax-mcp":{"url":"https://taxmcp.ai2fin.com"}}}

VS Code

{"servers":{"ai2fin-tax-mcp":{"type":"http","url":"https://taxmcp.ai2fin.com"}}}

Antigravity

agy mcp add ai2fin-tax-mcp https://taxmcp.ai2fin.com

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":"ai2fin-tax-mcp","server_url":"https://taxmcp.ai2fin.com","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"ai2fin-tax-mcp","server_url":"https://taxmcp.ai2fin.com"}

Tools

cgt_estimate ~1230 tokens
Estimate capital gains tax on one sale of shares or property by a resident individual, for 71 countries (AE, AR, AT, AU, BE, BG, BR, CA, CH, CL, CN, CO, CY, CZ, DE, DK, EE, EG, ES, FI, FR, GB, GH, GR, GT, HK, HR, HU, ID, IE, IL, IN, IS, IT, JM, JP, KE, KR, LI, LK, LT, LU, LV, MT, MU, MX, MY, NG, NL,
company_tax_estimate ~655 tokens
Estimate company/corporate income tax on an annual profit at the headline rate for 139 countries (28 verified against the national authority; the rest are indicative OECD headline rates, and the answer says "not verified — confirm with" the authority). Use it for company profit questions; individual
compare_countries ~594 tokens
Compare headline tax rates — GST/VAT, top personal income tax and company tax — across several countries at once. Use it to shortlist or contrast jurisdictions (relocation, expansion, pricing); for one country's full detail use tax_rate_lookup, and to apply a rate to an amount use compute_gst_vat. P
compute_gst_vat ~558 tokens
Add or remove a country's GST/VAT — or its other national consumption tax, such as Japan's consumption tax or Malaysia's SST — on a monetary amount, returning the net / tax / gross split. Use it to convert between tax-exclusive and tax-inclusive prices (invoices, quotes, receipts); for the rates the
income_tax_estimate ~1240 tokens
Estimate personal income tax and take-home pay from gross annual income for 57 countries, using the engine's effective-dated brackets with each country's own levies, offsets and social contributions as its scheme defines them. Covered: AE, AR, AT, AU, BD, BE, BR, CA, CH, CL, CN, CO, CR, CZ, DE, DK,
student_loan_repayment ~367 tokens
Estimate the compulsory annual study or training loan repayment (HELP, HECS, VSL, SFSS, SSL, AASL) for an Australian resident from their repayment income, using the marginal system introduced in 2025-26 with effective-dated thresholds that roll over each financial year. Use it for "how much HELP/HEC
superannuation_estimate ~614 tokens
Estimate Australian superannuation for an employee: the compulsory Superannuation Guarantee contribution (12% from 2025-26), concessional (before-tax) contributions cap usage, the 15% in-fund contributions tax, and the Division 293 high-earner surcharge — all effective-dated so a future budget year
tax_facts ~369 tokens
Sourced facts about a country's tax system: when and why its GST/VAT was introduced, what it replaced, and memorable, true stories (court cases, elections, odd rulings) — each fact linked to its own source. Omit country for a primer on what a consumption tax is plus famous tax stories from history.
tax_rate_as_of ~308 tokens
Look up the GST/VAT standard rate that applied in a country ON A GIVEN DATE, rather than today's rate. Use it when reconciling or amending a past transaction, invoice or return — several countries changed rate recently (Estonia twice since 2024, Finland, Kazakhstan, Russia, Romania, Slovakia, Ghana,
tax_rate_lookup ~422 tokens
Look up one country's headline tax rates: GST/VAT standard and reduced rates, top personal income tax rate, and company tax rate — national rates for 193 countries, plus state and provincial sales tax for CA and US when you pass region. Use it for a single country; to see several countries side by s

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