How to Use the ChurchStamp MCP in Claude

Q: How do I view my available postcard designs in Claude Desktop with ChurchStamp?

Ask your agent to show your current templates. It runs listdesigns to pull the names and IDs of every postcard you have saved. Then you pick one to attach to your next campaign.

Send physical postcards and manage church mail campaigns directly through Claude Desktop.

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Connect ChurchStamp MCP to Claude Desktop

Create your Vinkius account to connect ChurchStamp to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup ChurchStamp with Claude Desktop

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Run direct mail from Claude Desktop

ChurchStamp gives your AI client the ability to spin up physical mail campaigns. You tell Claude to organize a new outreach effort, and it uses `create_campaign` to set up the batch. It grabs available postcard templates via `list_designs` so you know exactly what art is ready to print. Managing these efforts takes zero interface switching. Ask Claude for an update, and it pulls the latest metrics using `get_campaign` or checks all active projects with `list_campaigns`. Your chat window becomes the control center while real mail gets prepped for delivery.

Manage church contacts and send mail

This MCP Server connects your prompt directly to your congregation database. When someone fills out a visitor card, you just paste the details into Claude, and it fires off `create_contact` to save their record. Pulling up existing members happens instantly through `list_contacts`. Getting physical mail out the door is just as fast. Once your list is ready, Claude executes `send_mail` to dispatch postcards to those specific addresses. You skip the clunky web portals and let the agent handle the postage.

Keep your ChurchStamp account monitored

Staying on top of your API limits matters when you run automated mailers. Claude checks your current standing anytime by calling `get_user_details` to verify billing or account health. It acts as your personal admin assistant for the platform. Connection drops happen, but you catch them early here. Running `check_churchstamp_status` confirms the MCP bridge is active before you try launching a massive holiday mailer. Everything runs locally through stdio, keeping your credentials secure on your machine.

Setup guide

Set up ChurchStamp MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The ChurchStamp MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the ChurchStamp MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under churchstamp-mcp.

json

{
  "mcpServers": {
    "churchstamp-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by ChurchStamp. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

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Common questions about ChurchStamp MCP in Claude Desktop

Open your Claude Desktop settings and click Developer to edit the configuration file. Add the ChurchStamp server details under the mcpServers key. Save the file and restart the app completely.

Yes, it triggers real mail delivery. The agent uses the send_mail tool to dispatch physical postcards to your contact list. You just tell the chat who needs to receive the current design.

Web access requires a remote setup. Go to Settings, click Integrations, and add a custom connector with your hosted Vinkius URL. Localhost servers only work on the native desktop application.

Ask your agent to show your current templates. It runs list_designs to pull the names and IDs of every postcard you have saved. Then you pick one to attach to your next campaign.

Your contact lists and physical mailing addresses stay strictly between Claude and the ChurchStamp API. Vinkius runs the server in an ephemeral V8 Isolate Sandbox that destroys itself after executing the request. No logs keep your member directories or campaign details.

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