The request asks for 'Jock Taxes', which is not a product named in the sources, and the request does not state a platform, jurisdiction or the operation wanted, so the answer below covers the candidates for general tax work. Ato-mcp 5 is the largest and offers MCP access to Australian tax guidance, and Invaro 2 offers a US federal income tax calculator through its actions, but the choice depends on the country and the task.
A question back: Which country's taxes do you mean, and do you want tax advice, a calculation, or a filing?
- 1
Ato-mcp (Australian Tax Knowledge for AI Agents)ato-mcp.com.auwebsite read, tools not yet checked
Gives Claude cited, dated answers from ATO guidance, the tax Acts and public rulings through an MCP server, for Australian tax questions.
official:MCP server · ato-mcpMCP server · Australian Tax MCP
- 2
Invaro Booksinvaro.aifound in code, not yet checked
Computes US federal individual income tax, filing-status comparisons and the Form 1040 bottom-line lines through its indexed actions 12.
for agents: calculate_tax · compare_filing_statuses · compute_return
- 3
AgentTaxagenttax.iofound in code, not yet checked
Calculates US sales tax or use tax for AI agent transactions via a calculate_tax call, with rate, jurisdiction and a confidence score 3.
for agents: calculate_tax · track_payment · list_trades
- 4
OpenAccountantsopenaccountants.comverified and signed
Provides a free plugin giving Claude accountants' tax rules and methods with sources, covering 274 jurisdictions for personal and corporate income tax, VAT/GST/sales tax and payroll.
+1 community tools built for it
for agents: Personal & corporate income tax · VAT / GST / sales tax · Payroll & withholding
- 5
Avalara Developeravalara.comwebsite read, tools not yet checked
Offers direct MCP and REST API access for building tax compliance integrations with AvaTax.
official:MCP server · Avalara Tax Content
Sources
- 1Avalara Developerdeveloper.avalara.com · read 2026-10-29
- 2Invaro | Books that close themselvesinvaro.ai · read 2026-10-29
- 3AgentTax — AI Agent Sales Tax API for Agentic Commerceagenttax.io · read 2026-10-29
- 4OpenAccountants | Accountants making sure your AI gets tax right.openaccountants.com · read 2026-10-29
- 5Australian Tax Knowledge for AI Agentsato-mcp.com.au · read 2026-10-29
- 12opentax-engine: declares "calculate_tax" (the record we read)github.com · read 2026-10-24
For agents: the 10 actions behind this answer
· Avalara website read, tools not yet checked
API solutions for end-to-end tax compliance
calculate_tax · opentax-engine found in code, not yet checked
Compute US federal INDIVIDUAL income tax (or balance due if withholding is given) from a content-addressed corpus of cited rules. NEVER estimate tax yourself — call this, and report ONLY numbers returned by oracle calls made with the real facts (never hand-check or approximate a line the oracle can
calculate_tax · AgentTax MCP Server found in code, not yet checked
Calculate US sales tax (seller) or use tax (buyer) for an AI agent transaction. Returns tax amount, rate, jurisdiction,
Personal & corporate income tax · OpenAccountants verified and signed
· Ato-mcp website read, tools not yet checked
Australian tax connector for AI agents. Cited, dated answers from ATO guidance, the tax Acts and public rulings, inside Claude, ChatGPT, Cursor and Claude Code.
· TaxFormatter website read, tools not yet checked
Parse any crypto exchange CSV or bank statement PDF via REST API. 14 exchanges, 6 banks, 4 tax formats. One API call. MCP server for AI agents.
· Ziptax website read, tools not yet checked
Ziptax offers an online look-up service and a developer API for address level sales tax data. By providing as little as a zip code or a partial address, we can determine the sales tax rates for your customers in their specific geographical area.
· Numeratica website read, tools not yet checked
Go from zero to a reproducible retirement projection with the Numeratica financial-planning API in under five minutes.
create · doqs.dev | PDF filling API verified and signed
Create
create_additional_tax_identifier · Storecove API verified and signed
Create a new AdditionalTaxIdentifier
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.