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Connect a client
Configure Claude, Claude Code, Cursor or VS Code to use the Tax360 MCP server.
Requirements
- A client that supports remote MCP servers (Streamable HTTP transport) and OAuth authorization.
- A Tax360 user from your company, with permissions for the products you will use.
Server URL
<URL_DO_SERVIDOR_MCP>Sign in to see the MCP server URL. Until then, replace <URL_DO_SERVIDOR_MCP>.
Claude Code
In the terminal, run:
claude mcp add --transport http tax360 <URL_DO_SERVIDOR_MCP>Sign in to see the MCP server URL. Until then, replace <URL_DO_SERVIDOR_MCP>.
Then, inside Claude Code, run /mcp and choose tax360 to authorize.
Cursor
In Settings → MCP → Add new MCP server, or in the project's .cursor/mcp.json file:
{
"mcpServers": {
"tax360": {
"url": "<URL_DO_SERVIDOR_MCP>"
}
}
}Sign in to see the MCP server URL. Until then, replace <URL_DO_SERVIDOR_MCP>.
VS Code
In the project's .vscode/mcp.json file, or with the MCP: Add Server command:
{
"servers": {
"tax360": {
"type": "http",
"url": "<URL_DO_SERVIDOR_MCP>"
}
}
}Sign in to see the MCP server URL. Until then, replace <URL_DO_SERVIDOR_MCP>.
Claude (web and desktop)
In Settings → Connectors → Add custom connector, enter a name (for example, Tax360) and the server URL.
Authorization
On the first call, the client opens the Tax360 sign-in page in the browser. Sign in with your user and authorize access. The client stores the authorization and renews it on its own. If the session expires, it asks you to sign in again.
Client asks for a Client ID and Client Secret?
Some clients ask for a pre-registered OAuth client (in Advanced settings or options such as --client-id and --client-secret). In that case, request the credentials from support and tell them which client you will use.
Test the connection
Ask the assistant: "List my companies in Tax360". The answer should list your user's companies. If you get a permission or authentication error, see Common errors.