upgrade mcp client to latest, add state to oauth provider

Author: jescalan

package.json

@@ -33,7 +33,7 @@
     "open": "^10.1.0"
   },
   "devDependencies": {
-    "@modelcontextprotocol/sdk": "^1.11.2",
+    "@modelcontextprotocol/sdk": "^1.12.0",
     "@types/express": "^5.0.0",
     "@types/node": "^22.13.10",
     "prettier": "^3.5.3",

pnpm-lock.yaml

@@ -10,6 +10,7 @@ import type { OAuthProviderOptions, StaticOAuthClientMetadata } from './types'
 import { readJsonFile, writeJsonFile, readTextFile, writeTextFile } from './mcp-auth-config'
 import { StaticOAuthClientInformationFull } from './types'
 import { getServerUrlHash, log, debugLog, DEBUG, MCP_REMOTE_VERSION } from './utils'
+import { randomUUID } from "node:crypto";
 
 /**
  * Implements the OAuthClientProvider interface for Node.js environments.
@@ -24,6 +25,7 @@ export class NodeOAuthClientProvider implements OAuthClientProvider {
   private softwareVersion: string
   private staticOAuthClientMetadata: StaticOAuthClientMetadata
   private staticOAuthClientInfo: StaticOAuthClientInformationFull
+  private _state: string
 
   /**
    * Creates a new NodeOAuthClientProvider
@@ -38,6 +40,7 @@ export class NodeOAuthClientProvider implements OAuthClientProvider {
     this.softwareVersion = options.softwareVersion || MCP_REMOTE_VERSION
     this.staticOAuthClientMetadata = options.staticOAuthClientMetadata
     this.staticOAuthClientInfo = options.staticOAuthClientInfo
+    this._state = randomUUID()
   }
 
   get redirectUrl(): string {
@@ -58,6 +61,10 @@ export class NodeOAuthClientProvider implements OAuthClientProvider {
     }
   }
 
+  state(): string {
+    return this._state;
+  }
+
   /**
    * Gets the client information if it exists
    * @returns The client information or undefined