How to connect Addressfinder to Claude Cowork

Trusted by teams atAWSGleanZoomAirtable

30 min · no commitment · see it on your stack

Addressfinder logo
Claude Cowork logo
divider

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 Addressfinder account to Cowork via Composio Connect, enabling it to verify if 221B Baker St is a real address, enrich contact with validated phone number, check if john@example.com is deliverable, and more such actions on your behalf without compromising your account security.

Also integrate Addressfinder with

Connecting Addressfinder 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 Addressfinder account

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

For example, ask Cowork to:

  • "Verify if 221B Baker St is a real address"
  • "Enrich contact with validated phone number"
  • "Check if john@example.com is deliverable"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Addressfinder 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 Addressfinder through MCP without you sharing account credentials directly with the agent.

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

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

Supported Tools & Triggers

Tools
AU Address AutocompleteTool to perform interactive search of Australian addresses from the AddressFinder database.
Get AU Address MetadataTool to retrieve full metadata for an Australian address selected from the Address Autocomplete API.
AU Address VerificationTool to verify Australian addresses against PAF/GNAF databases.
AU Location AutocompleteTool to perform interactive autocomplete search for Australian streets, suburbs, and states.
Get AU Location MetadataTool to retrieve comprehensive metadata for an Australian location (street, suburb, or state) selected from the Location Autocomplete API.
Email Verification APITool to verify email addresses including syntax validation, domain existence, and email account verification.
International Address AutocompleteTool to search for international addresses using autocomplete functionality.
Get International Address MetadataTool to retrieve full metadata for an international address selected from the Address Autocomplete API.
NZ Address AutocompleteTool to perform interactive search for New Zealand addresses.
Get NZ Address MetadataTool to retrieve full metadata for a NZ address including coordinates, census data, and postal details.
NZ Address Reverse GeocodeTool to reverse geocode NZ addresses from GPS coordinates.
NZ Address VerificationTool to verify New Zealand addresses against the Addressfinder database.
NZ Location AutocompleteTool to perform interactive search for New Zealand streets, suburbs, cities, and regions.
Get NZ Location MetadataTool to retrieve full metadata for a New Zealand location selected from the Location Autocomplete API.
NZ POI AutocompleteTool to perform interactive search for points of interest in New Zealand.
Get NZ POI MetadataTool to retrieve comprehensive metadata for New Zealand points of interest including coordinates and address details.
Phone Verification APITool to verify phone numbers through syntax, range checks, and network verification.

How to build Addressfinder MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Addressfinder MCP?

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

Can I use Tool Router MCP with Claude Cowork?

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 Addressfinder tools.

Can I manage the permissions and scopes for Addressfinder while using Tool Router?

Yes, absolutely. You can configure which Addressfinder 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.

How safe is my data with Composio Tool Router?

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 Addressfinder data and credentials are handled as safely as possible.

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.