diff --git a/web/backend/api/config.go b/web/backend/api/config.go
index fb2f01f25..8d3381768 100644
--- a/web/backend/api/config.go
+++ b/web/backend/api/config.go
@@ -191,6 +191,9 @@ func (h *Handler) handlePatchConfig(w http.ResponseWriter, r *http.Request) {
 }
 
 type webSearchAPIKeyPatch struct {
+	braveAPIKey       *string
+	tavilyAPIKey      *string
+	perplexityAPIKey  *string
 	glmSearchAPIKey   *string
 	baiduSearchAPIKey *string
 }
@@ -199,6 +202,15 @@ func parseWebSearchAPIKeyPatch(body []byte) webSearchAPIKeyPatch {
 	var raw struct {
 		Tools *struct {
 			Web *struct {
+				Brave *struct {
+					APIKey *string `json:"api_key"`
+				} `json:"brave"`
+				Tavily *struct {
+					APIKey *string `json:"api_key"`
+				} `json:"tavily"`
+				Perplexity *struct {
+					APIKey *string `json:"api_key"`
+				} `json:"perplexity"`
 				GLMSearch *struct {
 					APIKey *string `json:"api_key"`
 				} `json:"glm_search"`
@@ -214,6 +226,15 @@ func parseWebSearchAPIKeyPatch(body []byte) webSearchAPIKeyPatch {
 
 	patch := webSearchAPIKeyPatch{}
 	if raw.Tools != nil && raw.Tools.Web != nil {
+		if raw.Tools.Web.Brave != nil && raw.Tools.Web.Brave.APIKey != nil {
+			patch.braveAPIKey = raw.Tools.Web.Brave.APIKey
+		}
+		if raw.Tools.Web.Tavily != nil && raw.Tools.Web.Tavily.APIKey != nil {
+			patch.tavilyAPIKey = raw.Tools.Web.Tavily.APIKey
+		}
+		if raw.Tools.Web.Perplexity != nil && raw.Tools.Web.Perplexity.APIKey != nil {
+			patch.perplexityAPIKey = raw.Tools.Web.Perplexity.APIKey
+		}
 		if raw.Tools.Web.GLMSearch != nil && raw.Tools.Web.GLMSearch.APIKey != nil {
 			patch.glmSearchAPIKey = raw.Tools.Web.GLMSearch.APIKey
 		}
@@ -225,6 +246,15 @@ func parseWebSearchAPIKeyPatch(body []byte) webSearchAPIKeyPatch {
 }
 
 func applyWebSearchAPIKeyPatch(cfg *config.Config, patch webSearchAPIKeyPatch) {
+	if patch.braveAPIKey != nil {
+		cfg.Tools.Web.Brave.SetAPIKey(strings.TrimSpace(*patch.braveAPIKey))
+	}
+	if patch.tavilyAPIKey != nil {
+		cfg.Tools.Web.Tavily.SetAPIKey(strings.TrimSpace(*patch.tavilyAPIKey))
+	}
+	if patch.perplexityAPIKey != nil {
+		cfg.Tools.Web.Perplexity.SetAPIKey(strings.TrimSpace(*patch.perplexityAPIKey))
+	}
 	if patch.glmSearchAPIKey != nil {
 		cfg.Tools.Web.GLMSearch.SetAPIKey(strings.TrimSpace(*patch.glmSearchAPIKey))
 	}
diff --git a/web/backend/api/config_test.go b/web/backend/api/config_test.go
index ad1ab5a67..0e5f3f489 100644
--- a/web/backend/api/config_test.go
+++ b/web/backend/api/config_test.go
@@ -160,32 +160,61 @@ func runConfigRequest(t *testing.T, configPath, method, body string) {
 	}
 }
 
-func assertWebSearchAPIKeys(t *testing.T, configPath, wantGLMAPIKey, wantBaiduAPIKey string) {
+type webSearchAPIKeys struct {
+	brave      string
+	tavily     string
+	perplexity string
+	glm        string
+	baidu      string
+}
+
+func assertWebSearchAPIKeys(t *testing.T, configPath string, want webSearchAPIKeys) {
 	t.Helper()
 
 	cfg, err := config.LoadConfig(configPath)
 	if err != nil {
 		t.Fatalf("LoadConfig() error = %v", err)
 	}
-	if got := cfg.Tools.Web.GLMSearch.APIKey(); got != wantGLMAPIKey {
-		t.Fatalf("tools.web.glm_search.api_key = %q, want %q", got, wantGLMAPIKey)
+	if got := cfg.Tools.Web.Brave.APIKey(); got != want.brave {
+		t.Fatalf("tools.web.brave.api_key = %q, want %q", got, want.brave)
 	}
-	if got := cfg.Tools.Web.BaiduSearch.APIKey(); got != wantBaiduAPIKey {
-		t.Fatalf("tools.web.baidu_search.api_key = %q, want %q", got, wantBaiduAPIKey)
+	if got := cfg.Tools.Web.Tavily.APIKey(); got != want.tavily {
+		t.Fatalf("tools.web.tavily.api_key = %q, want %q", got, want.tavily)
+	}
+	if got := cfg.Tools.Web.Perplexity.APIKey(); got != want.perplexity {
+		t.Fatalf("tools.web.perplexity.api_key = %q, want %q", got, want.perplexity)
+	}
+	if got := cfg.Tools.Web.GLMSearch.APIKey(); got != want.glm {
+		t.Fatalf("tools.web.glm_search.api_key = %q, want %q", got, want.glm)
+	}
+	if got := cfg.Tools.Web.BaiduSearch.APIKey(); got != want.baidu {
+		t.Fatalf("tools.web.baidu_search.api_key = %q, want %q", got, want.baidu)
 	}
 }
 
 func TestHandlePatchConfig_PreservesWebSearchAPIKeysWhenOmitted(t *testing.T) {
 	configPath, cleanup := setupOAuthTestEnv(t)
 	defer cleanup()
-	seedWebSearchAPIKeys(t, configPath, "glm-existing-key", "baidu-existing-key")
+	seedWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-existing-key",
+		tavily:     "tavily-existing-key",
+		perplexity: "perplexity-existing-key",
+		glm:        "glm-existing-key",
+		baidu:      "baidu-existing-key",
+	})
 
 	runConfigRequest(t, configPath, http.MethodPatch, `{
 		"gateway": {
 			"log_level": "info"
 		}
 	}`)
-	assertWebSearchAPIKeys(t, configPath, "glm-existing-key", "baidu-existing-key")
+	assertWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-existing-key",
+		tavily:     "tavily-existing-key",
+		perplexity: "perplexity-existing-key",
+		glm:        "glm-existing-key",
+		baidu:      "baidu-existing-key",
+	})
 }
 
 func TestHandlePatchConfig_UpdatesWebSearchAPIKeys(t *testing.T) {
@@ -195,18 +224,33 @@ func TestHandlePatchConfig_UpdatesWebSearchAPIKeys(t *testing.T) {
 	runConfigRequest(t, configPath, http.MethodPatch, `{
 		"tools": {
 			"web": {
+				"brave": { "api_key": "brave-updated-key" },
+				"tavily": { "api_key": "tavily-updated-key" },
+				"perplexity": { "api_key": "perplexity-updated-key" },
 				"glm_search": { "api_key": "glm-updated-key" },
 				"baidu_search": { "api_key": "baidu-updated-key" }
 			}
 		}
 	}`)
-	assertWebSearchAPIKeys(t, configPath, "glm-updated-key", "baidu-updated-key")
+	assertWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-updated-key",
+		tavily:     "tavily-updated-key",
+		perplexity: "perplexity-updated-key",
+		glm:        "glm-updated-key",
+		baidu:      "baidu-updated-key",
+	})
 }
 
 func TestHandleUpdateConfig_PreservesWebSearchAPIKeysWhenOmitted(t *testing.T) {
 	configPath, cleanup := setupOAuthTestEnv(t)
 	defer cleanup()
-	seedWebSearchAPIKeys(t, configPath, "glm-existing-key-via-put", "baidu-existing-key-via-put")
+	seedWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-existing-key-via-put",
+		tavily:     "tavily-existing-key-via-put",
+		perplexity: "perplexity-existing-key-via-put",
+		glm:        "glm-existing-key-via-put",
+		baidu:      "baidu-existing-key-via-put",
+	})
 
 	runConfigRequest(t, configPath, http.MethodPut, `{
 		"version": 1,
@@ -224,7 +268,13 @@ func TestHandleUpdateConfig_PreservesWebSearchAPIKeysWhenOmitted(t *testing.T) {
 			}
 		]
 	}`)
-	assertWebSearchAPIKeys(t, configPath, "glm-existing-key-via-put", "baidu-existing-key-via-put")
+	assertWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-existing-key-via-put",
+		tavily:     "tavily-existing-key-via-put",
+		perplexity: "perplexity-existing-key-via-put",
+		glm:        "glm-existing-key-via-put",
+		baidu:      "baidu-existing-key-via-put",
+	})
 }
 
 func TestHandleUpdateConfig_UpdatesWebSearchAPIKeys(t *testing.T) {
@@ -248,15 +298,24 @@ func TestHandleUpdateConfig_UpdatesWebSearchAPIKeys(t *testing.T) {
 		],
 		"tools": {
 			"web": {
+				"brave": { "api_key": "brave-updated-key-via-put" },
+				"tavily": { "api_key": "tavily-updated-key-via-put" },
+				"perplexity": { "api_key": "perplexity-updated-key-via-put" },
 				"glm_search": { "api_key": "glm-updated-key-via-put" },
 				"baidu_search": { "api_key": "baidu-updated-key-via-put" }
 			}
 		}
 	}`)
-	assertWebSearchAPIKeys(t, configPath, "glm-updated-key-via-put", "baidu-updated-key-via-put")
+	assertWebSearchAPIKeys(t, configPath, webSearchAPIKeys{
+		brave:      "brave-updated-key-via-put",
+		tavily:     "tavily-updated-key-via-put",
+		perplexity: "perplexity-updated-key-via-put",
+		glm:        "glm-updated-key-via-put",
+		baidu:      "baidu-updated-key-via-put",
+	})
 }
 
-func seedWebSearchAPIKeys(t *testing.T, configPath, glmAPIKey, baiduAPIKey string) {
+func seedWebSearchAPIKeys(t *testing.T, configPath string, keys webSearchAPIKeys) {
 	t.Helper()
 
 	cfg, err := config.LoadConfig(configPath)
@@ -264,8 +323,11 @@ func seedWebSearchAPIKeys(t *testing.T, configPath, glmAPIKey, baiduAPIKey strin
 		t.Fatalf("LoadConfig() error = %v", err)
 	}
 
-	cfg.Tools.Web.GLMSearch.SetAPIKey(glmAPIKey)
-	cfg.Tools.Web.BaiduSearch.SetAPIKey(baiduAPIKey)
+	cfg.Tools.Web.Brave.SetAPIKey(keys.brave)
+	cfg.Tools.Web.Tavily.SetAPIKey(keys.tavily)
+	cfg.Tools.Web.Perplexity.SetAPIKey(keys.perplexity)
+	cfg.Tools.Web.GLMSearch.SetAPIKey(keys.glm)
+	cfg.Tools.Web.BaiduSearch.SetAPIKey(keys.baidu)
 
 	if err := config.SaveConfig(configPath, cfg); err != nil {
 		t.Fatalf("SaveConfig() error = %v", err)
diff --git a/web/frontend/src/components/config/config-page.tsx b/web/frontend/src/components/config/config-page.tsx
index 2a246ab3e..e2d25e84e 100644
--- a/web/frontend/src/components/config/config-page.tsx
+++ b/web/frontend/src/components/config/config-page.tsx
@@ -183,6 +183,9 @@ export function ConfigPage() {
           "Cron exec timeout",
           { min: 0 },
         )
+        const braveAPIKey = form.braveAPIKey.trim()
+        const tavilyAPIKey = form.tavilyAPIKey.trim()
+        const perplexityAPIKey = form.perplexityAPIKey.trim()
         const glmSearchAPIKey = form.glmSearchAPIKey.trim()
         const baiduSearchAPIKey = form.baiduSearchAPIKey.trim()
         const execConfigPatch: Record<string, unknown> = {
@@ -209,6 +212,15 @@ export function ConfigPage() {
           }
         }
 
+        if (braveAPIKey !== "") {
+          webConfigPatch.brave = { api_key: braveAPIKey }
+        }
+        if (tavilyAPIKey !== "") {
+          webConfigPatch.tavily = { api_key: tavilyAPIKey }
+        }
+        if (perplexityAPIKey !== "") {
+          webConfigPatch.perplexity = { api_key: perplexityAPIKey }
+        }
         if (glmSearchAPIKey !== "") {
           webConfigPatch.glm_search = { api_key: glmSearchAPIKey }
         }
diff --git a/web/frontend/src/components/config/config-sections.tsx b/web/frontend/src/components/config/config-sections.tsx
index 8090b9f01..33bdc9228 100644
--- a/web/frontend/src/components/config/config-sections.tsx
+++ b/web/frontend/src/components/config/config-sections.tsx
@@ -521,6 +521,45 @@ export function WebSearchSection({
       title={t("pages.config.sections.web_search")}
       description={t("pages.config.web_search_section_hint")}
     >
+      <Field
+        label={t("pages.config.brave_api_key")}
+        hint={t("pages.config.brave_api_key_hint")}
+        layout="setting-row"
+      >
+        <Input
+          type="password"
+          value={form.braveAPIKey}
+          placeholder={t("pages.config.secret_placeholder")}
+          onChange={(e) => onFieldChange("braveAPIKey", e.target.value)}
+        />
+      </Field>
+
+      <Field
+        label={t("pages.config.tavily_api_key")}
+        hint={t("pages.config.tavily_api_key_hint")}
+        layout="setting-row"
+      >
+        <Input
+          type="password"
+          value={form.tavilyAPIKey}
+          placeholder={t("pages.config.secret_placeholder")}
+          onChange={(e) => onFieldChange("tavilyAPIKey", e.target.value)}
+        />
+      </Field>
+
+      <Field
+        label={t("pages.config.perplexity_api_key")}
+        hint={t("pages.config.perplexity_api_key_hint")}
+        layout="setting-row"
+      >
+        <Input
+          type="password"
+          value={form.perplexityAPIKey}
+          placeholder={t("pages.config.secret_placeholder")}
+          onChange={(e) => onFieldChange("perplexityAPIKey", e.target.value)}
+        />
+      </Field>
+
       <Field
         label={t("pages.config.glm_search_api_key")}
         hint={t("pages.config.glm_search_api_key_hint")}
diff --git a/web/frontend/src/components/config/form-model.ts b/web/frontend/src/components/config/form-model.ts
index f37766f5b..aa238f6ac 100644
--- a/web/frontend/src/components/config/form-model.ts
+++ b/web/frontend/src/components/config/form-model.ts
@@ -14,6 +14,9 @@ export interface CoreConfigForm {
   execTimeoutSeconds: string
   allowCommand: boolean
   cronExecTimeoutMinutes: string
+  braveAPIKey: string
+  tavilyAPIKey: string
+  perplexityAPIKey: string
   glmSearchAPIKey: string
   baiduSearchAPIKey: string
   maxTokens: string
@@ -79,6 +82,9 @@ export const EMPTY_FORM: CoreConfigForm = {
   execTimeoutSeconds: "0",
   allowCommand: true,
   cronExecTimeoutMinutes: "5",
+  braveAPIKey: "",
+  tavilyAPIKey: "",
+  perplexityAPIKey: "",
   glmSearchAPIKey: "",
   baiduSearchAPIKey: "",
   maxTokens: "32768",
@@ -133,6 +139,9 @@ export function buildFormFromConfig(config: unknown): CoreConfigForm {
   const devices = asRecord(root.devices)
   const tools = asRecord(root.tools)
   const web = asRecord(tools.web)
+  const brave = asRecord(web.brave)
+  const tavily = asRecord(web.tavily)
+  const perplexity = asRecord(web.perplexity)
   const glmSearch = asRecord(web.glm_search)
   const baiduSearch = asRecord(web.baidu_search)
   const cron = asRecord(tools.cron)
@@ -191,6 +200,9 @@ export function buildFormFromConfig(config: unknown): CoreConfigForm {
       cron.exec_timeout_minutes,
       EMPTY_FORM.cronExecTimeoutMinutes,
     ),
+    braveAPIKey: asString(brave.api_key),
+    tavilyAPIKey: asString(tavily.api_key),
+    perplexityAPIKey: asString(perplexity.api_key),
     glmSearchAPIKey: asString(glmSearch.api_key),
     baiduSearchAPIKey: asString(baiduSearch.api_key),
     maxTokens: asNumberString(defaults.max_tokens, EMPTY_FORM.maxTokens),
diff --git a/web/frontend/src/i18n/locales/en.json b/web/frontend/src/i18n/locales/en.json
index 6a280aaf2..eeed17575 100644
--- a/web/frontend/src/i18n/locales/en.json
+++ b/web/frontend/src/i18n/locales/en.json
@@ -479,6 +479,12 @@
       "cron_exec_timeout": "Scheduled Command Timeout (minutes)",
       "cron_exec_timeout_hint": "Maximum runtime for scheduled commands. Set to 0 to disable the timeout.",
       "web_search_section_hint": "Manage API keys for built-in web search providers. Leave a field blank to keep the current key unchanged.",
+      "brave_api_key": "Brave Search API Key",
+      "brave_api_key_hint": "Used by the built-in Brave web search provider.",
+      "tavily_api_key": "Tavily Search API Key",
+      "tavily_api_key_hint": "Used by the built-in Tavily web search provider.",
+      "perplexity_api_key": "Perplexity Search API Key",
+      "perplexity_api_key_hint": "Used by the built-in Perplexity web search provider.",
       "glm_search_api_key": "GLM Search API Key",
       "glm_search_api_key_hint": "Used by the built-in GLM web search provider.",
       "baidu_search_api_key": "Baidu Search API Key",
diff --git a/web/frontend/src/i18n/locales/zh.json b/web/frontend/src/i18n/locales/zh.json
index a5638ba22..f861ab903 100644
--- a/web/frontend/src/i18n/locales/zh.json
+++ b/web/frontend/src/i18n/locales/zh.json
@@ -479,6 +479,12 @@
       "cron_exec_timeout": "定时命令超时（分钟）",
       "cron_exec_timeout_hint": "定时任务中命令的最长运行时间。设置为 0 表示不限制超时。",
       "web_search_section_hint": "管理内置网页搜索服务的 API Key。留空表示保持当前 Key 不变。",
+      "brave_api_key": "Brave 搜索 API Key",
+      "brave_api_key_hint": "用于内置的 Brave 网页搜索服务。",
+      "tavily_api_key": "Tavily 搜索 API Key",
+      "tavily_api_key_hint": "用于内置的 Tavily 网页搜索服务。",
+      "perplexity_api_key": "Perplexity 搜索 API Key",
+      "perplexity_api_key_hint": "用于内置的 Perplexity 网页搜索服务。",
       "glm_search_api_key": "GLM 搜索 API Key",
       "glm_search_api_key_hint": "用于内置的 GLM 网页搜索服务。",
       "baidu_search_api_key": "百度搜索 API Key",