diff --git a/src/config/schema.ts b/src/config/schema.ts
index 1401b0574..76bf9ae22 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -208,7 +208,9 @@ const FIELD_LABELS: Record<string, string> = {
   "gateway.nodes.browser.mode": "Gateway Node Browser Mode",
   "gateway.nodes.browser.node": "Gateway Node Browser Pin",
   "gateway.nodes.allowCommands": "Gateway Node Allowlist (Extra Commands)",
+  "gateway.xaiTools": "Configurable allowlist of Clawdbot tools enabled for xAI/Grok requests in OpenAI gateway (empty enables all).",
   "gateway.nodes.denyCommands": "Gateway Node Denylist",
+  "gateway.xaiTools": "xAI Tools",
   "nodeHost.browserProxy.enabled": "Node Browser Proxy Enabled",
   "nodeHost.browserProxy.allowProfiles": "Node Browser Proxy Allowed Profiles",
   "skills.load.watch": "Watch Skills",
diff --git a/src/config/zod-schema.ts b/src/config/zod-schema.ts
index 961ba8ecb..1537d1c64 100644
--- a/src/config/zod-schema.ts
+++ b/src/config/zod-schema.ts
@@ -443,6 +443,7 @@ export const OpenClawSchema = z
           })
           .strict()
           .optional(),
+        xaiTools: z.array(z.string()).optional(),
       })
       .strict()
       .optional(),
diff --git a/src/gateway/openai-http.ts b/src/gateway/openai-http.ts
index 2cbcb7c1f..a9a8acfeb 100644
--- a/src/gateway/openai-http.ts
+++ b/src/gateway/openai-http.ts
@@ -16,6 +16,7 @@ import {
   writeDone,
 } from "./http-common.js";
 import { getBearerToken, resolveAgentIdForRequest, resolveSessionKey } from "./http-utils.js";
+import { loadConfig } from "../../config/config.js";
 
 type OpenAiHttpOptions = {
   auth: ResolvedGatewayAuth;
@@ -184,6 +185,9 @@ export async function handleOpenAiHttpRequest(
   const model = typeof payload.model === "string" ? payload.model : "openclaw";
   const user = typeof payload.user === "string" ? payload.user : undefined;
 
+  const cfg = loadConfig();
+  const isXaiModel = typeof model === "string" && model.startsWith("grok-");
+
   const agentId = resolveAgentIdForRequest({ req, model });
   const sessionKey = resolveOpenAiSessionKey({ req, agentId, user });
   const prompt = buildAgentPrompt(payload.messages);
@@ -211,6 +215,7 @@ export async function handleOpenAiHttpRequest(
           deliver: false,
           messageChannel: "webchat",
           bestEffortDeliver: false,
+          clientTools: isXaiModel ? cfg.gateway?.xaiTools ?? [] : undefined,
         },
         defaultRuntime,
         deps,
@@ -318,6 +323,7 @@ export async function handleOpenAiHttpRequest(
           deliver: false,
           messageChannel: "webchat",
           bestEffortDeliver: false,
+          clientTools: isXaiModel ? cfg.gateway?.xaiTools ?? [] : undefined,
         },
         defaultRuntime,
         deps,