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How to connect Aiwyn Tax MCP to Claude Cowork

Connect Claude Cowork to Aiwyn Tax MCP. Estimate taxes for california single filer, compare federal taxes across filing statuses, and more using natural language, with authentication handled for you.

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Aiwyn Tax MCP is a tax estimation service powered by Aiwyn's federal and state tax engine. It helps teams estimate tax outcomes without building tax calculation logic from scratch.

10 Tools

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Aiwyn Tax account to Cowork via Composio Connect, enabling it to estimate taxes for California single filer, compare federal taxes across filing statuses, calculate state tax for W2 income, and more such actions on your behalf without compromising your account security.

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Connecting Aiwyn Tax to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Aiwyn Tax account

Back in Cowork, ask the agent to connect to Aiwyn Tax or give it any Aiwyn Tax-related task.

For example, ask Cowork to:

  • "Estimate taxes for California single filer"
  • "Compare federal taxes across filing statuses"
  • "Calculate state tax for W2 income"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Aiwyn Tax account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Aiwyn Tax through MCP without you sharing account credentials directly with the agent.

What is the Aiwyn Tax MCP server, and what's possible with it?

The Aiwyn Tax MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Aiwyn Tax account. It provides structured and secure access so your agent can perform Aiwyn Tax operations on your behalf.

TOOLS

Supported Tools

Every Aiwyn Tax MCP action and event your agent gets out of the box.

Calculate tax

Calculate a tax return for a given jurisdiction.

Check tax

Check inputs to calculate a tax return for a given jurisdiction.

Generate tax pdf tool

Start async PDF generation for a tax return.

Generate uuid v5

Generate a UUID v5 based on a source uuid and namespace.

Get tax pdf tool

Check status of a PDF generation job.

Tax jurisdictions

List all supported tax jurisdictions for a given tax year.

Tax namespaces

List all available input namespaces for a given jurisdiction.

Tax namespace schema

Get the TCB input schema for a single namespace (e.

Tax simple return

Call this FIRST when beginning any tax return.

Tax years

List all supported tax years.

FRAMEWORKS

How to build Aiwyn Tax MCP Agent with another framework

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ChatGPT Work

Use Aiwyn Tax MCP with ChatGPT Work

FAQ

Frequently asked questions

With a standalone Aiwyn Tax MCP server, the agents and LLMs can only access a fixed set of Aiwyn Tax tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Aiwyn Tax and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Aiwyn Tax tools.

Yes, absolutely. You can configure which Aiwyn Tax scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Aiwyn Tax data and credentials are handled as safely as possible.

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