feat: Adding simple reranker for rag_api.

README.md

@@ -76,6 +76,7 @@
   - Search the internet and retrieve relevant information to enhance your AI context
   - Combines search providers, content scrapers, and result rerankers for optimal results
   - **Customizable Jina Reranking**: Configure custom Jina API URLs for reranking services
+  - Run local reranking with open source models through the rag_api.
   - **[Learn More →](https://www.librechat.ai/docs/features/web_search)**
 
 - 🪄 **Generative UI with Code Artifacts**:  

client/src/components/SidePanel/Agents/Search/ApiKeyDialog.tsx

@@ -117,6 +117,11 @@ export default function ApiKeyDialog({
         },
       },
     },
+    {
+      key: RerankerTypes.SIMPLE,
+      label: localize('com_ui_web_search_reranker_simple'),
+      inputs: {},
+    },
   ];
 
   const scraperOptions: DropdownOption[] = [

client/src/locales/en/translation.json

@@ -1316,6 +1316,7 @@
   "com_ui_web_search_reranker_jina": "Jina AI",
   "com_ui_web_search_reranker_jina_key": "Get your Jina API key",
   "com_ui_web_search_reranker_jina_url_help": "Learn about Jina Rerank API",
+  "com_ui_web_search_reranker_simple": "Simple",
   "com_ui_web_search_scraper": "Scraper",
   "com_ui_web_search_scraper_firecrawl": "Firecrawl API",
   "com_ui_web_search_scraper_firecrawl_key": "Get your Firecrawl API key",

packages/api/src/web/web.ts

@@ -120,7 +120,8 @@ export async function loadWebSearchAuth({
         }
       }
 
-      if (requiredKeys.length === 0) continue;
+      const simpleReRankerChosen = specificService && service === 'simple';
+      if (!simpleReRankerChosen && requiredKeys.length === 0) continue;
 
       const requiredAuthFields = extractWebSearchEnvVars({
         keys: requiredKeys,

packages/data-provider/src/config.ts

@@ -707,6 +707,7 @@ export enum ScraperProviders {
 export enum RerankerTypes {
   JINA = 'jina',
   COHERE = 'cohere',
+  SIMPLE = 'simple',
 }
 
 export enum SafeSearchTypes {

packages/data-provider/src/types/web.ts

@@ -12,7 +12,7 @@ export enum DATE_RANGE {
 }
 
 export type SearchProvider = 'serper' | 'searxng';
-export type RerankerType = 'infinity' | 'jina' | 'cohere' | 'none';
+export type RerankerType = 'infinity' | 'jina' | 'cohere' | 'simple' | 'none';
 
 export interface Highlight {
   score: number;

packages/data-schemas/src/app/web.ts

@@ -31,6 +31,7 @@ export const webSearchAuth = {
       jinaApiUrl: 0 as const,
     },
     cohere: { cohereApiKey: 1 as const },
+    simple: { },
   },
 };