thoughtspot · ashubham · Oct 28, 2025 · Oct 27, 2025 · Oct 27, 2025 · Oct 27, 2025
diff --git a/README.md b/README.md
@@ -26,6 +26,9 @@ Join our [Discord](https://developers.thoughtspot.com/join-discord) to get suppo
   - [Gemini](#gemini-api)
 - [Features](#features)
   - [Supported transports](#supported-transports)
+- [Manual client registration](#manual-client-registration)
+  - [Associating with a ThoughtSpot instance](#associate-with-a-thoughtspot-instance)
+- [Self hosted](#self-hosted)
 - [Stdio support (fallback)](#stdio-support-fallback)
   - [How to obtain a TS_AUTH_TOKEN](#how-to-obtain-a-ts_auth_token)
 - [Troubleshooting](#troubleshooting)
@@ -43,6 +46,7 @@ MCP Server URL:
 ```
 https://agent.thoughtspot.app/mcp
 ```
+Preferred Auth method: Oauth
 
 - For OpenAI ChatGPT Deep Research, add the URL as:
 ```js
@@ -236,6 +240,14 @@ For API usage, you would the token endpoints with a `secret_key` to generate the
 - Streamed HTTP [https://agent.thoughtspot.app/mcp]()
 
 
+## Manual client registration
+
+For MCP hosts which do not(yet) support Dynamic client registration, or they require statically adding Oauth Client Id etc. Go to [this](https://agent.thoughtspot.app/clients) page, to register a new client and copy the details over.
+
+### Associate with a ThoughtSpot instance
+
+Manual client registration also allows to associate with a specific ThoughtSpot instance, so that your users do not have to enter the Thoughtspot instance URL when doing the authorization flow.
+
 ## Self hosted
 
 Use the published docker image to deploy the MCP server in your own environment.

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -54,7 +54,7 @@
     "@modelcontextprotocol/sdk": "^1.20.1",
     "@thoughtspot/rest-api-sdk": "^2.13.1",
     "agents": "^0.2.14",
-    "hono": "^4.9.7",
+    "hono": "^4.10.3",
     "rxjs": "^7.8.2",
     "yaml": "^2.7.1",
     "zod": "^3.24.3",

diff --git a/src/oauth-manager/oauth-utils.ts b/src/oauth-manager/oauth-utils.ts
@@ -61,11 +61,14 @@ export interface ApprovalDialogOptions {
  * @returns A Response containing the HTML approval dialog
  */
 export function renderApprovalDialog(request: Request, options: ApprovalDialogOptions): Response {
-    const { server, state } = options;
+    const { server, state, client } = options;
     const encodedState = btoa(JSON.stringify(state));
     const serverName = sanitizeHtml(server.name);
     const mcpLogoUrl = 'https://raw.githubusercontent.com/thoughtspot/mcp-server/refs/heads/main/static/MCP%20Server%20Logo.svg';
     const thoughtspotLogoUrl = 'https://avatars.githubusercontent.com/u/8906680?s=200&v=4';
+    const clientUrl = client?.clientUri;
+    const tsInstanceUrlMatch = clientUrl?.match(/x-ts-host:(.*)/);
+    const tsInstanceUrl = tsInstanceUrlMatch ? tsInstanceUrlMatch[1].trim() : '';
 
     const htmlContent = `
       <!DOCTYPE html>
@@ -296,7 +299,7 @@ export function renderApprovalDialog(request: Request, options: ApprovalDialogOp
             <form class="approval-form" method="post" action="${new URL(request.url).pathname}" id="approvalForm" autocomplete="off" novalidate>
               <div class="form-group">
                 <label for="instanceUrl" id="instanceUrlLabel">ThoughtSpot Instance URL</label>
-                <input type="text" id="instanceUrl" name="instanceUrl" placeholder="https://your-instance.thoughtspot.cloud" autocomplete="off">
+                <input type="text" id="instanceUrl" name="instanceUrl" value="${tsInstanceUrl}" placeholder="https://your-instance.thoughtspot.cloud" autocomplete="off">
                 <input type="hidden" name="state" value="${encodedState}">
               </div>
               <div class="approval-subtitle">ThoughtSpot MCP Server will be able to:</div>