# Taxjar MCP - Tools, Setup and Examples | FlyMy.AI > Taxjar MCP for Claude, Cursor and Codex. Financial workflows, with 18 actions. Your API key. See setup, examples and pricing. Page: https://flymy.ai/mcp/taxjar/ MCP / Finance # Taxjar MCP: financial workflows TaxJar provides a comprehensive sales tax API for real-time tax calculations, reporting, and filing. Connect it to Claude, Codex, Cursor or any MCP client through one FlyMy.AI MCP. [Connect Taxjar](https://flymy.ai/mcp/taxjar/#connect) [What it can do](https://flymy.ai/mcp/taxjar/#actions) Your own API key, 18 actions, Finance $ YOUR NEXT RUN Claude Code, Codex, Cursor, Any agent ## Use Taxjar MCP in your assistant Paste this prompt into Claude Code, Codex, Cursor or any agent. It reads the guide and helps you connect. ``` Read https://flymy.ai/skill.md and https://flymy.ai/mcp/taxjar.md. Help me connect Taxjar MCP to this assistant. Then help me run this task: Use Taxjar to calculate sales tax for an order. Ask me for the required inputs first and show the result. ``` [Open FlyMy.AI](https://app.flymy.ai/new-agent) [Download brief](https://flymy.ai/mcp/taxjar.md) ## What Taxjar MCP can do 18 actions in the FlyMy.AI catalog, the most used first. Your agent finds them through search_tools and calls the one the task needs. | Action | What it does | |---|---| | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_CALCULATE_SALES_TAX_FOR_AN_ORDER) `TAXJAR_CALCULATE_SALES_TAX_FOR_AN_ORDER` | Calculate sales tax for an order. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_CREATE_ORDER_TRANSACTION) `TAXJAR_CREATE_ORDER_TRANSACTION` | Create a new order transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_CREATE_REFUND_TRANSACTION) `TAXJAR_CREATE_REFUND_TRANSACTION` | Create a new refund transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_DELETE_CUSTOMER) `TAXJAR_DELETE_CUSTOMER` | Delete an existing customer. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_DELETE_ORDER_TRANSACTION) `TAXJAR_DELETE_ORDER_TRANSACTION` | Delete an existing order transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_DELETE_REFUND_TRANSACTION) `TAXJAR_DELETE_REFUND_TRANSACTION` | Delete an existing refund transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_LIST_CUSTOMERS) `TAXJAR_LIST_CUSTOMERS` | List existing customers. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_LIST_NEXUS_REGIONS) `TAXJAR_LIST_NEXUS_REGIONS` | List existing nexus regions for an account. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_LIST_ORDER_TRANSACTIONS) `TAXJAR_LIST_ORDER_TRANSACTIONS` | List existing order transactions. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_LIST_REFUND_TRANSACTIONS) `TAXJAR_LIST_REFUND_TRANSACTIONS` | List refund transactions. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_LIST_TAX_CATEGORIES) `TAXJAR_LIST_TAX_CATEGORIES` | List all product tax categories and their codes. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_SHOW_CUSTOMER) `TAXJAR_SHOW_CUSTOMER` | Show an existing customer. | **Show all 18 actions** | Action | What it does | |---|---| | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_SHOW_ORDER_TRANSACTION) `TAXJAR_SHOW_ORDER_TRANSACTION` | Show an existing order transaction by id. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_SHOW_REFUND_TRANSACTION) `TAXJAR_SHOW_REFUND_TRANSACTION` | Show a refund transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_SHOW_TAX_RATES_FOR_A_LOCATION) `TAXJAR_SHOW_TAX_RATES_FOR_A_LOCATION` | Show sales tax rates for a location. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_SUMMARIZE_TAX_RATES_FOR_ALL_REGIONS) `TAXJAR_SUMMARIZE_TAX_RATES_FOR_ALL_REGIONS` | Retrieve minimum and average sales tax rates by region. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_UPDATE_ORDER_TRANSACTION) `TAXJAR_UPDATE_ORDER_TRANSACTION` | Update an existing order transaction. | | [#](https://flymy.ai/mcp/taxjar/#method-TAXJAR_VALIDATE_VAT_NUMBER) `TAXJAR_VALIDATE_VAT_NUMBER` | Validate a vat number for tax-exempt status. | ## Ask your agent Requests to paste as they are. Each one runs on the actions named under it. **“Use Taxjar to calculate sales tax for an order. Ask me for the required inputs first and show the result.”** uses `TAXJAR_CALCULATE_SALES_TAX_FOR_AN_ORDER` **“Use Taxjar to create order transaction. Ask me for the required inputs first and show the result.”** uses `TAXJAR_CREATE_ORDER_TRANSACTION` **“Use Taxjar to create refund transaction. Ask me for the required inputs first and show the result.”** uses `TAXJAR_CREATE_REFUND_TRANSACTION` ## Connect Taxjar in a minute One MCP for every integration. Add it once, then every MCP in the catalog is a request away. 1. 01 ### Add FlyMy.AI Add the FlyMy.AI MCP to your assistant with one of the commands below and sign in. No key to copy. 2. 02 ### Add your TaxJar API Token Paste it into the Taxjar [connection settings](https://app.flymy.ai/mcp-configs#taxjar) once; it stays with FlyMy.AI, never in a prompt or a chat. - **TaxJar API Token** - The API token generated from the TaxJar account, used for authenticating API requests. [Get API key →](https://developers.taxjar.com/integrations/authentication) 3. 03 ### Ask Paste a request from this page. Every run shows what it cost. Claude Code ``` claude mcp add --transport http flymyai https://mcp-agents.flymy.ai/mcp ``` Then run /mcp in Claude Code and sign in. Codex ``` codex mcp add flymy --url https://mcp-agents.flymy.ai/mcp ``` Then run codex mcp login flymy to sign in. claude.ai and Claude Desktop ``` https://mcp-agents.flymy.ai/mcp ``` Settings, Connectors, Add custom connector: paste this URL. ## Pay per run FlyMy.AI bills the run: the model and the tool's seconds. Calls go to your own Taxjar account, under its plan and limits. No seats and no minimum. [See usage pricing →](https://flymy.ai/pricing/) ## More Finance MCPs Payments, banking, accounting, invoices and market data. ### Brex Brex corporate cards & banking: transactions, statements, expenses, budgets, spend limits, transfers, vendors, cards, team, accounting, webhooks, travel... 104 actions / your API key Link: https://flymy.ai/mcp/brex/ ### Alpaca Stock and crypto trading platform with commission-free trading, real-time market data, and algorithmic trading capabilities 100 actions / your API key Link: https://flymy.ai/mcp/alpaca/ ### Alpha Vantage Alpha Vantage provides free APIs for real-time and historical financial data, including stock time series, technical indicators, and more 20 actions / your API key Link: https://flymy.ai/mcp/alpha-vantage/ ### Altoviz Altoviz is a cloud-based billing and invoicing platform for businesses, offering online payments, expense tracking, document management, and customizable... 9 actions / your API key Link: https://flymy.ai/mcp/altoviz/ ### Benzinga Benzinga provides real-time financial news and data APIs, offering comprehensive coverage of market-moving information for developers and financial... 9 actions / your API key Link: https://flymy.ai/mcp/benzinga/ ### Better Proposals Better Proposals is a web-based proposal creation tool that enables users to send professionally designed proposals 22 actions / your API key Link: https://flymy.ai/mcp/better-proposals/ ## Go to the source [Taxjar in the docs →](https://docs.flymy.ai/mcp/apps/taxjar), [Taxjar connection settings →](https://app.flymy.ai/mcp-configs#taxjar), [Taxjar website →](https://www.taxjar.com/), [Every MCP in the catalog →](https://flymy.ai/mcp/#catalog), [Usage pricing →](https://flymy.ai/pricing/) From the FlyMy.AI platform catalog of 2026-11-03: name, description, actions and setup as the platform lists them. Examples are requests to paste, not recorded runs. --- For agents: the FlyMyAI operating guide (sign up, connect, run models, tools and agents) is https://flymy.ai/skill.md, and https://flymy.ai/llms.txt lists the other pages and the documentation.