diff --git a/open-sse/services/toolLimitDetector.ts b/open-sse/services/toolLimitDetector.ts
index 48969fcb12..5685f26e98 100644
--- a/open-sse/services/toolLimitDetector.ts
+++ b/open-sse/services/toolLimitDetector.ts
@@ -6,6 +6,7 @@ const DEFAULT_LIMIT = MAX_TOOLS_LIMIT;
 
 const PROVIDER_TOOL_LIMITS: Record<string, number> = {
   "grok-cli": 200,
+  "nvidia": 1536,
 };
 
 const _detectedLimitsSweep = setInterval(() => {
diff --git a/tests/unit/tool-limit-detector.test.ts b/tests/unit/tool-limit-detector.test.ts
index d1ce4a88fd..82e89323bd 100644
--- a/tests/unit/tool-limit-detector.test.ts
+++ b/tests/unit/tool-limit-detector.test.ts
@@ -69,6 +69,15 @@ describe("toolLimitDetector", () => {
     assert.strictEqual(getEffectiveToolLimit("grok-cli"), 200);
   });
 
+  it("should return proactive limit for nvidia (1536) without any detection", () => {
+    assert.strictEqual(getEffectiveToolLimit("nvidia"), 1536);
+  });
+
+  it("should not override nvidia proactive limit with reactive detection", () => {
+    setDetectedToolLimit("nvidia", 100);
+    assert.strictEqual(getEffectiveToolLimit("nvidia"), 1536);
+  });
+
   it("should still return default (128) for unknown providers", () => {
     assert.strictEqual(getEffectiveToolLimit("some-new-provider"), 128);
   });