Feature: Ollama Web Search Integration — API Key Free Search

src/components/settings/sections/web-search-section.tsx

@@ -12,6 +12,14 @@ import {
 import { SEARXNG_CATEGORY_OPTIONS, SERPAPI_ENGINE_OPTIONS, resolveSearchConfig } from "@/lib/web-search"
 
 const SEARCH_PROVIDERS = [
+  {
+    id: "ollama",
+    label: "Ollama (Local)",
+    hint: "Free web search via your local Ollama instance — no API key required",
+    urlPlaceholder: "http://localhost:11434",
+    needsApiKey: false,
+    isLocal: true,
+  },
   {
     id: "tavily",
     label: "Tavily",
@@ -82,6 +90,8 @@ export function WebSearchSection() {
           const isActive = resolvedConfig.provider === provider.id
           const hasConfig = provider.id === "searxng"
             ? !!override?.searXngUrl
+            : provider.id === "ollama"
+            ? !!override?.ollamaUrl
             : !!override?.apiKey
           const isExpanded = !!expanded[provider.id]
           return (
@@ -149,7 +159,20 @@ export function WebSearchSection() {
 
               {isExpanded && (
                 <div className="space-y-4 border-t bg-background/50 px-4 py-3">
-                  {provider.needsApiKey ? (
+                  {"isLocal" in provider && provider.isLocal ? (
+                    // Ollama: URL field without API key
+                    <div className="space-y-2">
+                      <Label>{t("settings.sections.webSearch.instanceUrl")}</Label>
+                      <Input
+                        value={override?.ollamaUrl ?? resolvedConfig.ollamaUrl ?? "http://localhost:11434"}
+                        onChange={(e) => updateProvider("ollama", { ollamaUrl: e.target.value })}
+                        placeholder={provider.urlPlaceholder}
+                      />
+                      <p className="text-xs text-muted-foreground">
+                        {t("settings.sections.webSearch.ollamaHint")}
+                      </p>
+                    </div>
+                  ) : provider.needsApiKey ? (
                     <div className="space-y-2">
                       <Label>{t("settings.apiKey")}</Label>
                       <Input

src/i18n/en.json

@@ -295,6 +295,7 @@
         "activeBadge": "Active",
         "savedBadge": "Saved",
         "instanceUrl": "Instance URL",
+        "ollamaHint": "Uses your local Ollama's built-in web search. Make sure Ollama is running and a web-search-capable model is available.",
         "searxngJsonHint": "The instance must allow JSON search responses (`format=json`).",
         "searchCategories": "Search categories",
         "searxngCategoriesHint": "Categories are sent as the SearXNG `categories` parameter.",

src/i18n/zh.json

@@ -295,6 +295,7 @@
         "activeBadge": "活跃",
         "savedBadge": "已保存",
         "instanceUrl": "实例 URL",
+        "ollamaHint": "使用本地 Ollama 内置的网页搜索功能。请确保 Ollama 正在运行，并且有支持网页搜索的模型可用。",
         "searxngJsonHint": "实例必须允许 JSON 搜索响应（`format=json`）。",
         "searchCategories": "搜索分类",
         "searxngCategoriesHint": "分类会作为 SearXNG 的 `categories` 参数发送。",

src/lib/web-search.ts

@@ -41,7 +41,7 @@ export const SEARXNG_CATEGORY_OPTIONS: { value: SearXngCategory; label: string;
 
 export function resolveSearchConfig(config: SearchApiConfig): SearchApiConfig {
   const providerConfigs: SearchProviderConfigs = config.providerConfigs ?? {
-    ...(config.provider !== "none" && config.apiKey
+    ...(config.provider !== "none" && config.provider !== "ollama" && config.apiKey
       ? {
           [config.provider]: {
             apiKey: config.apiKey,
@@ -59,6 +59,13 @@ export function resolveSearchConfig(config: SearchApiConfig): SearchApiConfig {
           },
         }
       : {}),
+    ...(config.provider === "ollama" && config.ollamaUrl
+      ? {
+          ollama: {
+            ollamaUrl: config.ollamaUrl,
+          },
+        }
+      : {}),
   }
 
   const activeProvider = config.provider as SearchProvider
@@ -70,6 +77,7 @@ export function resolveSearchConfig(config: SearchApiConfig): SearchApiConfig {
       serpApiEngine: config.serpApiEngine ?? providerConfigs.serpapi?.serpApiEngine ?? "google",
       searXngUrl: config.searXngUrl ?? providerConfigs.searxng?.searXngUrl ?? "",
       searXngCategories: config.searXngCategories ?? providerConfigs.searxng?.searXngCategories ?? ["general"],
+      ollamaUrl: config.ollamaUrl ?? providerConfigs.ollama?.ollamaUrl ?? "http://localhost:11434",
       providerConfigs,
     }
   }
@@ -82,6 +90,7 @@ export function resolveSearchConfig(config: SearchApiConfig): SearchApiConfig {
     serpApiEngine: activeOverride?.serpApiEngine ?? config.serpApiEngine ?? "google",
     searXngUrl: activeOverride?.searXngUrl ?? config.searXngUrl ?? "",
     searXngCategories: activeOverride?.searXngCategories ?? config.searXngCategories ?? ["general"],
+    ollamaUrl: activeOverride?.ollamaUrl ?? config.ollamaUrl ?? "http://localhost:11434",
     providerConfigs,
   }
 }
@@ -92,6 +101,9 @@ export function hasConfiguredSearchProvider(config: SearchApiConfig): boolean {
   if (resolved.provider === "searxng") {
     return Boolean(resolved.searXngUrl?.trim())
   }
+  if (resolved.provider === "ollama") {
+    return true // Ollama uses default localhost URL if not configured
+  }
   return Boolean(resolved.apiKey?.trim())
 }
 
@@ -105,7 +117,7 @@ export async function webSearch(
     throw new Error("Web search not configured. Select a search provider in Settings.")
   }
   if ((resolved.provider === "tavily" || resolved.provider === "serpapi") && !resolved.apiKey) {
-    throw new Error("Web search not configured. Add a Tavily or SerpApi API key in Settings.")
+    throw new Error("Web search not configured. Add a Tavily or SerpApi API key in Settings, or select a different provider.")
   }
   if (resolved.provider === "searxng" && !resolved.searXngUrl?.trim()) {
     throw new Error("Web search not configured. Add a SearXNG instance URL in Settings.")
@@ -118,6 +130,8 @@ export async function webSearch(
       return serpApiSearch(query, resolved.apiKey, maxResults, resolved.serpApiEngine ?? "google")
     case "searxng":
       return searXngSearch(query, resolved.searXngUrl ?? "", maxResults, resolved.searXngCategories ?? ["general"])
+    case "ollama":
+      return ollamaSearch(query, resolved.ollamaUrl ?? "http://localhost:11434", maxResults)
     default:
       throw new Error(`Unknown search provider: ${resolved.provider}`)
   }
@@ -341,3 +355,69 @@ function normalizeSerpApiResult(item: unknown): WebSearchResult {
     source: hostnameFromUrl(url) || r.source || r.displayed_link || "",
   }
 }
+
+interface OllamaSearchResponse {
+  results?: Array<{
+    title?: string
+    url?: string
+    content?: string
+  }>
+  error?: string
+}
+
+async function ollamaSearch(
+  query: string,
+  ollamaUrl: string,
+  maxResults: number,
+): Promise<WebSearchResult[]> {
+  const baseUrl = ollamaUrl.replace(/\/+$/, "")
+  const searchUrl = `${baseUrl}/api/experimental/web_search`
+
+  const httpFetch = await getHttpFetch()
+  let response: Response
+  try {
+    response = await httpFetch(searchUrl, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({
+        query,
+        max_results: maxResults,
+      }),
+    })
+  } catch (err) {
+    if (isFetchNetworkError(err)) {
+      throw new Error(
+        `Network error reaching Ollama at ${baseUrl}. Make sure Ollama is running and web search is enabled.`,
+      )
+    }
+    throw err
+  }
+
+  if (!response.ok) {
+    if (response.status === 401) {
+      throw new Error(
+        "Ollama requires authentication. Run `ollama signin` in your terminal to authenticate.",
+      )
+    }
+    const errorText = await response.text().catch(() => "Unknown error")
+    throw new Error(`Ollama web search failed (${response.status}): ${errorText}`)
+  }
+
+  const data = (await response.json()) as OllamaSearchResponse
+
+  if (data.error) {
+    throw new Error(`Ollama web search error: ${data.error}`)
+  }
+
+  return (data.results ?? [])
+    .slice(0, maxResults)
+    .map((r) => {
+      const url = r.url ?? ""
+      return {
+        title: r.title ?? "Untitled",
+        url,
+        snippet: r.content ?? "",
+        source: hostnameFromUrl(url),
+      }
+    })
+}

src/stores/wiki-store.ts

@@ -27,7 +27,7 @@ interface LlmConfig {
   reasoning?: ReasoningConfig
 }
 
-export type SearchProvider = "tavily" | "serpapi" | "searxng" | "none"
+export type SearchProvider = "tavily" | "serpapi" | "searxng" | "ollama" | "none"
 export type SerpApiEngine =
   | "google"
   | "google_news"
@@ -57,6 +57,7 @@ export interface SearchProviderOverride {
   serpApiEngine?: SerpApiEngine
   searXngUrl?: string
   searXngCategories?: SearXngCategory[]
+  ollamaUrl?: string
 }
 
 export type SearchProviderConfigs = Partial<Record<Exclude<SearchProvider, "none">, SearchProviderOverride>>
@@ -67,6 +68,7 @@ interface SearchApiConfig {
   serpApiEngine?: SerpApiEngine
   searXngUrl?: string
   searXngCategories?: SearXngCategory[]
+  ollamaUrl?: string
   providerConfigs?: SearchProviderConfigs
 }