add mcp guide

content/payments/billpay/mcp/integration-guide.mdx

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+---
+sidebar_title: Integration Guide
+page_title: MCP for Bill Payments - Integration Guide
+order: 1
+visible_in_sidebar: true
+---
+
+## MCP for Bill Payments integration guide
+
+Currently live on ChatGPT and Claude, as other LLM providers don't allow for custom connectors. All bill payments require a phone number/OTP to fetch bills.
+
+### ChatGPT
+
+Ensure you have a ChatGPT Plus or a higher upgrade account.
+
+1. **Enable Developer Mode**
+   <ol type="a">
+     <li>Browse over to Settings under the Profile section.</li>
+     <li>Under Apps and Connectors, scroll down to Advance Settings and expand.</li>
+     <li>On expanding it, you will see an option to enable Developer Mode.</li>
+     <li>Once enabled, you will observe an orange highlight on your chat inputs.</li>
+   </ol>
+2. **Add the MCP**
+   <ol type="a">
+     <li>Once the Developer mode is enabled, go to Apps and Connectors.</li>
+     <li>Click on Create at the top right.</li>
+     <li>Add a name for the Setu MCP — say, <i>Setu Bill Payments MCP</i>.</li>
+    <li>In the URL field, add <a href="https://billpay-mcp.setu.co/mcp" target="_blank" rel="noreferrer">https://billpay-mcp.setu.co/mcp</a>.</li>
+     <li>Under Authentication, select OAuth; check the consent box, and confirm.</li>
+   </ol>
+3. **Verify your phone number with an OTP**
+   <ol type="a">
+     <li>On confirming, you will be taken to a page to enter your phone number and OTP. All bill payments require a phone number to fetch bills.</li>
+   </ol>
+4. **Start Chatting!**
+   <ol type="a">
+    <li>You can also instruct GPT to only use the <i>Setu Bill Payments MCP</i> on the chat window, by clicking on the plus icon and adding the MCP to your chat.</li>
+     <li>It is not mandatory to do so, but could help in some scenarios.</li>
+   </ol>
+
+**You are ready!**
+
+**_With this you are ready to now fetch your bills, pay your bills, analyse your payment history, ask your LLM agent to analyse your bills, and more._**
+
+### Claude
+
+Ensure you have at least a Claude Pro account, and installed a Claude Desktop.
+
+1. **Install Claude Desktop**
+   <ol type="a">
+     <li>Follow the steps on <a href="https://www.claude.com/download" target="_blank" rel="noreferrer">Download Claude</a> to download the relevant desktop version for your system.</li>
+     <li>Install the application by clicking continue and complete the installation successfully.</li>
+   </ol>
+2. **Adding the MCP**
+   <ol type="a">
+     <li>Open Claude Desktop, and under Profile, go to Settings, and click on Connectors.</li>
+     <li>Click on “Custom Connector”.</li>
+    <li>Enter the MCP name - <i>Setu Bill Payments MCP</i>, and the MCP URL <a href="https://billpay-mcp.setu.co/mcp" target="_blank" rel="noreferrer">https://billpay-mcp.setu.co/mcp</a>.</li>
+   </ol>
+3. **Start Chatting!**
+   <ol type="a">
+    <li>You can also instruct Claude to only use the <i>Setu Bill Payments MCP</i> on the chat window, by clicking on the plus icon and adding the MCP to your chat.</li>
+     <li>It is not mandatory to do so, but could help in some scenarios.</li>
+   </ol>
+
+**You are ready!**
+
+### Perplexity
+
+1. Install Perplexity for Mac.
+2. Go to settings on bottom left .
+3. Click connectors
+4. Follow Perplexity instruction to download and install additional package
+5. click on Add Connector 
+6. Go to Advanced and paste the following:
+
+<CodeBlockWithCopy language="json">{`
+{
+  "args" : [
+    "mcp-remote",
+    "https://billpay-mcp.setu.co/mcp"
+  ],
+  "command" : "npx",
+  "env" : {
+  },
+  "useBuiltInNode" : true
+}
+`}</CodeBlockWithCopy>
+
+7. On saving, you will be taken to a page to enter your phone number and OTP. All bill payments require a phone number to fetch bills. 
+
+You are ready! 
+
+### Cursor
+
+1. Ensure you have Cursor installed and running.
+2. **Open Cursor** → start a chat with cursor agent -> click on three dots at the top left of agent chat.
+    <ol type="a">
+      <li><strong>Agent Settings &gt; Tools &amp; MCP &gt; New MCP Server.</strong> This will open the mcp server mcp.json file.</li>
+    </ol>
+3. Add the following JSON to existing or empty file (include other mcp servers alongside as needed):
+
+<CodeBlockWithCopy language="json">{`
+{
+  "mcpServers": {
+  .
+  . other mcp servers
+  .
+  "cou-mcp-server": {
+      "command": "npx",
+      "args" : [
+        "mcp-remote",
+        "https://billpay-mcp.setu.co/mcp"
+      ]
+    }
+  }
+}
+`}</CodeBlockWithCopy>
+
+4. **Verify your phone number with an OTP**
+5. On confirming, you will be taken to a page to enter your phone number and OTP. All bill payments require a phone number to fetch bills.
+6. Start Chatting!
+   <ol type="a">
+     <li>Make bill payments while coding.</li>
+     <li>Make agents that can use the <i>Setu Bill Payments MCP</i>.</li>
+     <li>For code level agents go to Get Started - <a href="https://billpay-mcp.setu.co/login" target="_blank" rel="noreferrer">Setu Bill Payments</a>.</li>
+      <li>Generate token using a mobile number.<br/><img src="/assets/payments/billpay/mcp/image-20251126-103200.png" alt="OTP verification"/></li>
+      <li>Use token fetch API to get token.<br/><img src="/assets/payments/billpay/mcp/image-20251126-103532.png" alt="Token fetch"/></li>
+      <li>Use this token to call the /mcp endpoints for tools and no need to implement OAuth user redirect implementation.</li>
+   </ol>
+
+Claude / ChatGPT and other GUI clients will always implement that OAuth redirect to remote auth service implementations so Client ID or Secret is not to be used there.
+
+You are ready! 
+
+### Using the MCP
+
+ℹ️ To use any “tool”, a service of the MCP, the LLM client (ChatGPT or Claude) will ask you permission to allow to access that tool of the MCP. Please select “Always Allow” for a seamless experience. Currently, all LLM clients ask this permission for the first time each tool is used.
+