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## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.LOG IN
Try the Taxjar MCP for free
Make Taxjar available to your AI through Composio’s MCP server. It takes 2 minutes and it's free.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.Connect Taxjar MCP for freeHow it works
What the Taxjar MCP makes possible
Once you connect the Taxjar MCP through Composio, your AI can use the tools below to act on your behalf.
- TAXJAR_LIST_NEXUS_REGIONS
List Nexus Regions
List existing nexus regions for an account.
- TAXJAR_LIST_ORDER_TRANSACTIONS
List Order Transactions
List order transaction IDs within a date range.
- TAXJAR_CALCULATE_SALES_TAX_FOR_AN_ORDER
Calculate Sales Tax For An Order
Calculate sales tax for an order.
- TAXJAR_CREATE_CUSTOMER
Create Customer
Create a new customer with exemption information.
- TAXJAR_CREATE_ORDER_TRANSACTION
Create Order Transaction
Creates a new order transaction in TaxJar for sales tax reporting and compliance.
- TAXJAR_CREATE_REFUND_TRANSACTION
Create Refund Transaction
Create a new refund transaction.
- TAXJAR_DELETE_CUSTOMER
Delete Customer
Delete an existing customer.
- TAXJAR_DELETE_ORDER_TRANSACTION
Delete Order Transaction
Delete an existing order transaction.
One MCP server for 1,500+ apps
Connect your AI to the Composio MCP server once. Then add Taxjar and other apps from our catalog of 1,500+ whenever you need them, authorizing each account as you go. Watch the video for a quick overview.
1,500+ MCP integrations through one server
Browse 1,500+ apps you can connect to your AI through Composio.
Building an app that relies on the Taxjar MCP?
Use Composio to bring Taxjar tools into your app and let each user connect their own account. Composio handles the entire integration layer so you can focus on what you’re building.
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