Add SearchApi plugin

Author: SebastjanPrachovskij

.env.example

@@ -253,6 +253,10 @@ AZURE_AI_SEARCH_SEARCH_OPTION_SELECT=
 GOOGLE_SEARCH_API_KEY=
 GOOGLE_CSE_ID=
 
+# SearchApi
+#-----------------
+SEARCHAPI_API_KEY=
+
 # SerpAPI
 #-----------------
 SERPAPI_API_KEY=

api/app/clients/tools/manifest.json

@@ -82,6 +82,19 @@
       }
     ]
   },
+  {
+    "name": "SearchApi",
+    "pluginKey": "searchapi",
+    "description": "SearchApi is a robust real-time SERP API delivering structured data from a collection of search engines.",
+    "icon": "https://www.searchapi.io/press/searchapi-logo-symbol-screen.png",
+    "authConfig": [
+      {
+        "authField": "SEARCHAPI_API_KEY",
+        "label": "SearchApi Private API Key",
+        "description": "Private Key for SearchApi. Register at <a href='https://www.searchapi.io/'>SearchApi</a> to obtain a private key."
+      }
+    ]
+  },
   {
     "name": "Serpapi",
     "pluginKey": "serpapi",

api/app/clients/tools/util/handleTools.js

@@ -1,7 +1,7 @@
 const { Tools } = require('librechat-data-provider');
 const { ZapierToolKit } = require('langchain/agents');
 const { Calculator } = require('langchain/tools/calculator');
-const { SerpAPI, ZapierNLAWrapper } = require('langchain/tools');
+const { SerpAPI, ZapierNLAWrapper, SearchApi } = require('langchain/tools');
 const { createCodeExecutionTool, EnvVar } = require('@librechat/agents');
 const { getUserPluginAuthValue } = require('~/server/services/PluginService');
 const {
@@ -197,6 +197,16 @@ const loadTools = async ({
         options,
       });
     },
+    searchapi: async () => {
+      let apiKey = process.env.SEARCHAPI_API_KEY;
+      if (!apiKey) {
+        apiKey = await getUserPluginAuthValue(user, 'SEARCHAPI_API_KEY');
+      }
+      return new SearchApi(apiKey, {
+        hl: 'en',
+        gl: 'us',
+      });
+    },
     serpapi: async () => {
       let apiKey = process.env.SERPAPI_API_KEY;
       if (!apiKey) {