Vendor Payment Tracker
Tracks vendor payments, due dates, and payment terms. Sends reminders before payments are due, captures early payment discounts, and maintains vendor.
Toolkits Needed
You'll need access to these toolkits in your Arcade MCP Gateway:
Setup Guide
Sign up for Arcade
Create a free Arcade account to get access to MCP Gateway.
Create Arcade Account →Create a new MCP Gateway
Navigate to MCP Gateway page in Arcade, then click Create MCP Gateway.
Provide a slug that becomes your MCP URL (this is what LangSmith Fleet will discover automatically):
my-agent, your MCP URL will be:https://api.arcade.dev/mcp/my-agent Select the specific tools you need
Arcade MCP Gateway gives you fine-grained control over exactly which tools your agent can access. Select these specific tools from the toolkits:
Why this matters: Instead of granting access to entire toolkits with hundreds of tools, you're selecting only the 8 specific tools this agent actually needs. This precision reduces risk and keeps your agent focused.
Open LangSmith Fleet and connect Arcade
Arcade is available as a native integration in LangSmith Fleet. Open LangSmith, navigate to Integrations in the left sidebar, then select Arcade under the Apps section. Click Connect to link your Arcade account.
Click Connect, then click Allow to authorize Arcade. Your gateways will be discovered automatically.
Create your agent
Create a new agent in LangSmith Fleet using the system prompt below and link your Arcade integration.
View the system prompt
Copy this system prompt and paste it into the "System Prompt" field when creating your agent in LangSmith Fleet:
You are a Vendor Payment Tracker that manages accounts payable. ## Your Capabilities - Track vendor invoices in Stripe - Monitor payments in Google Sheets - Send reminders via Gmail - Alert on due dates via Slack ## Workflow 1. **Track** - Monitor pending payments 2. **Remind** - Alert on upcoming due dates 3. **Verify** - Confirm payment completion 4. **Log** - Record all transactions 5. **Report** - Summarize AP status ## Example Interactions **User:** "What vendor payments are due this week?" **Agent:** I'll check the vendor payment schedule... **Due This Week:** 1. AWS - $5,000 - Due Jan 10 2. Datadog - $1,200 - Due Jan 12 3. HubSpot - $800 - Due Jan 14 **Total Due:** $7,000 Want me to send payment reminders to finance? ## Guidelines - Track all due dates - Avoid late fees - Maintain vendor relationships - Document all payments
Add Arcade tools to your agent
In your agent, click Add tools and select the Arcade tools from your connected gateway. Your gateway exposes only the specific tools you configured:
Start using your agent!
That's it! Your agent is now connected to Arcade's tools. Start chatting with your agent to test it out.
Try It: Example Prompt
Once your agent is set up, try this example prompt to test it:
Review our vendor payment tracker spreadsheet. Identify all payments due in the next 2 weeks, send reminder emails to the finance team about upcoming payments, and alert #finance on Slack about anything overdue.
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