add opey mcp_servers.json config prompt in readme

Author: nemozak1

README.md

@@ -188,7 +188,18 @@ OBP_OIDC_ISSUER_URL=http://localhost:9000/obp-oidc
 OBP_AUTHORIZATION_VIA="consent"
 OBP_OPEY_CONSUMER_KEY=<opey's consumer key (same as the OBP_CONSUMER_KEY in Opey)>
 ```
-> [!NOTE] You will not be able to use the MCP server, set up in this way, with any other MCP clients, unless they are capable of creating valid consents onl the fly.
+> [!NOTE] You will not be able to use the MCP server, set up in this way, with any other MCP clients, unless they are capable of creating valid consents on the fly.
+
+In Opey's `mcp_servers.json` (inside the servers array):
+```json
+{
+      "name": "obp",
+      "url": "http://0.0.0.0:9101/mcp",
+      "transport": "http",
+      "requires_auth": true
+}
+
+```
 
 ## License