The request "tax-prep" is general, so the best fit is a tax-focused tool that answers and computes tax questions for developers and AI agents. Avalara offers REST and MCP access for tax compliance 1, and OpenAccountants provides a free plugin with accountant-sourced tax rules 4, while Ato-mcp covers Australian tax knowledge via MCP 9.
A question back: Which country's tax rules, or which kind of tax preparation (personal income, business, sales tax, e-invoicing), do you need?
- 1
Avalara Developeravalara.comwebsite read, tools not yet checked
Tax compliance API platform offering REST API and direct MCP agent-to-agent access for building tax integrations 1.
official:MCP server · Avalara Tax Content
- 2
OpenAccountantsopenaccountants.comverified and signed
A free plugin that gives AI assistants accountants' tax rules and methods with sources, for tax questions and preparation 4.
+1 community tools built for it
for agents: Personal & corporate income tax · VAT / GST / sales tax · Payroll & withholding
- 3
Ato-mcpato-mcp.com.auwebsite read, tools not yet checked
Australian tax connector for AI agents, returning cited, dated answers from ATO guidance, the tax Acts and public rulings 9.
official:MCP server · ato-mcpMCP server · Australian Tax MCP
Sources
- 1Avalara Developerdeveloper.avalara.com · read 2026-10-29
- 4OpenAccountants | Accountants making sure your AI gets tax right.openaccountants.com · read 2026-10-29
- 9Australian Tax Knowledge for AI Agentsato-mcp.com.au · read 2026-10-29
For agents: the 10 actions behind this answer
· Avalara website read, tools not yet checked
API solutions for end-to-end tax compliance
· 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.
create_xrechnung_einvoice · PDF Generator API MCP Server found in code, not yet checked
This endpoint transforms a JSON payload into an XML-based XRechnung e-invoice that is fully compliant with the European EN 16931 standard. The generated output follows the XRechnung format and can be formatted in either UBL (Universal Business Language) or CII (Cross-Industry Invoice) syntax, ensuri
Personal & corporate income tax · OpenAccountants verified and signed
REST interface · Frihet verified and signed
OpenAPI 3.1 with 82 paths and 137 operations at https://api.frihet.io/v1.
create_additional_tax_identifier · Storecove API verified and signed
Create a new AdditionalTaxIdentifier
· NormAPI website read, tools not yet checked
The REST API for XRechnung and ZUGFeRD: generate from JSON, validate against the official KoSIT rule set — free, no sign-up, every rule violation explained.
list_trades · AgentTax MCP Server found in code, not yet checked
List trades you have logged, with realized gains on sells. Requires API key.
· 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.
· 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.
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.