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TaxJar MCP Integration for OpenAI Agents SDK

Connect TaxJar to OpenAI Agents SDK through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 7 read 0 write Bearer token auth
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Connect TaxJar to OpenAI Agents SDK

Attach KosmoKrator integration tools to OpenAI Agents SDK workflows through a local MCP gateway.

Start the KosmoKrator MCP gateway locally and point the OpenAI Agents SDK MCP tool at that process or wrapper. The gateway is local, scoped to this integration, and starts with --write=deny so OpenAI Agents can inspect read-capable tools without receiving write access by default.

TaxJar MCP Config for OpenAI Agents SDK

Use headless JSON commands for CI-style execution and MCP for agent tool discovery.

{
  "mcpServers": {
    "kosmokrator-taxjar": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=taxjar",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=taxjar --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only TaxJar instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

TaxJar Tools Visible to OpenAI Agents

OpenAI Agents sees stable MCP tool names generated from the TaxJar integration catalog.

MCP toolSource functionTypeDescription
integration__taxjar__taxjar_list_orders taxjar.taxjar_list_orders Read List order transactions from TaxJar with optional date filtering and pagination. Returns order details including transaction ID, amount, tax, and date.
integration__taxjar__taxjar_get_order taxjar.taxjar_get_order Read Retrieve detailed information about a specific TaxJar order transaction by its ID, including amount, tax, shipping, line items, and addresses.
integration__taxjar__taxjar_list_refunds taxjar.taxjar_list_refunds Read List refund transactions from TaxJar with optional date filtering and pagination. Returns refund details including transaction ID, amount, tax, and date.
integration__taxjar__taxjar_list_transactions taxjar.taxjar_list_transactions Read List all transactions (orders and refunds) from TaxJar with optional date filtering and pagination. Returns transaction details including ID, amount, tax, date, and type.
integration__taxjar__taxjar_get_transaction taxjar.taxjar_get_transaction Read Retrieve detailed information about a specific TaxJar transaction by its ID, including amount, tax, shipping, line items, and addresses.
integration__taxjar__taxjar_list_categories taxjar.taxjar_list_categories Read List all tax categories available in TaxJar. Returns category details including name, product tax code, and description.
integration__taxjar__taxjar_get_current_user taxjar.taxjar_get_current_user Read Retrieve the current authenticated user information from TaxJar. Use this to verify credentials are working and check user details.

Related TaxJar Pages

TaxJar CLIUse direct JSON commands instead of MCP discovery. TaxJar MCPFull gateway reference and MCP tool names. KosmoKrator for OpenAI AgentsClient-level gateway setup.