add wolframalpha tool

packages/components/credentials/WolframAlphaApp.credential.ts

@@ -0,0 +1,25 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class WolframAlphaApp implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'WolframAlpha App ID'
+        this.name = 'wolframAlphaAppId'
+        this.version = 1.0
+        this.description = 'Get an App Id from <a target="_blank" href="https://developer.wolframalpha.com">Wolfram Alpha Portal</a>'
+        this.inputs = [
+            {
+                label: 'App ID',
+                name: 'wolframAlphaAppId',
+                type: 'password'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: WolframAlphaApp }

packages/components/nodes/tools/WolframAlpha/WolframAlpha.ts

@@ -0,0 +1,44 @@
+import { WolframAlphaTool } from '@langchain/community/tools/wolframalpha'
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+
+class WolframAlpha_Tools implements INode {
+    label: string
+    name: string
+    version: number
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'WolframAlpha'
+        this.name = 'wolframAlpha'
+        this.version = 1.0
+        this.type = 'WolframAlpha'
+        this.icon = 'wolframalpha.png'
+        this.category = 'Tools'
+        this.description = 'Wrapper around WolframAlpha - a powerful computational knowledge engine'
+        this.inputs = []
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['wolframAlphaAppId']
+        }
+        this.baseClasses = [this.type, ...getBaseClasses(WolframAlphaTool)]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const wolframAlphaAppId = getCredentialParam('wolframAlphaAppId', credentialData, nodeData)
+        return new WolframAlphaTool({
+            appid: wolframAlphaAppId
+        })
+    }
+}
+
+module.exports = { nodeClass: WolframAlpha_Tools }