diff --git a/extensions/stepfun/openclaw.plugin.json b/extensions/stepfun/openclaw.plugin.json
index 4570aaee37d..a8f21cb4461 100644
--- a/extensions/stepfun/openclaw.plugin.json
+++ b/extensions/stepfun/openclaw.plugin.json
@@ -6,6 +6,68 @@
   "enabledByDefault": true,
   "providers": ["stepfun", "stepfun-plan"],
   "autoEnableWhenConfiguredProviders": ["stepfun", "stepfun-plan"],
+  "modelCatalog": {
+    "providers": {
+      "stepfun": {
+        "baseUrl": "https://api.stepfun.ai/v1",
+        "api": "openai-completions",
+        "models": [
+          {
+            "id": "step-3.5-flash",
+            "name": "Step 3.5 Flash",
+            "reasoning": true,
+            "input": ["text"],
+            "contextWindow": 262144,
+            "maxTokens": 65536,
+            "cost": {
+              "input": 0,
+              "output": 0,
+              "cacheRead": 0,
+              "cacheWrite": 0
+            }
+          }
+        ]
+      },
+      "stepfun-plan": {
+        "baseUrl": "https://api.stepfun.ai/step_plan/v1",
+        "api": "openai-completions",
+        "models": [
+          {
+            "id": "step-3.5-flash",
+            "name": "Step 3.5 Flash",
+            "reasoning": true,
+            "input": ["text"],
+            "contextWindow": 262144,
+            "maxTokens": 65536,
+            "cost": {
+              "input": 0,
+              "output": 0,
+              "cacheRead": 0,
+              "cacheWrite": 0
+            }
+          },
+          {
+            "id": "step-3.5-flash-2603",
+            "name": "Step 3.5 Flash 2603",
+            "reasoning": true,
+            "input": ["text"],
+            "contextWindow": 262144,
+            "maxTokens": 65536,
+            "cost": {
+              "input": 0,
+              "output": 0,
+              "cacheRead": 0,
+              "cacheWrite": 0
+            }
+          }
+        ]
+      }
+    },
+    "discovery": {
+      "stepfun": "static",
+      "stepfun-plan": "static"
+    }
+  },
   "providerAuthEnvVars": {
     "stepfun": ["STEPFUN_API_KEY"],
     "stepfun-plan": ["STEPFUN_API_KEY"]
diff --git a/extensions/stepfun/provider-catalog.ts b/extensions/stepfun/provider-catalog.ts
index 245e4a3bee3..73bfd5b74cd 100644
--- a/extensions/stepfun/provider-catalog.ts
+++ b/extensions/stepfun/provider-catalog.ts
@@ -1,7 +1,6 @@
-import type {
-  ModelDefinitionConfig,
-  ModelProviderConfig,
-} from "openclaw/plugin-sdk/provider-model-shared";
+import { buildManifestModelProviderConfig } from "openclaw/plugin-sdk/provider-catalog-shared";
+import type { ModelProviderConfig } from "openclaw/plugin-sdk/provider-model-shared";
+import manifest from "./openclaw.plugin.json" with { type: "json" };
 
 export const STEPFUN_PROVIDER_ID = "stepfun";
 export const STEPFUN_PLAN_PROVIDER_ID = "stepfun-plan";
@@ -16,54 +15,22 @@ export const STEPFUN_FLASH_2603_MODEL_ID = "step-3.5-flash-2603";
 export const STEPFUN_DEFAULT_MODEL_REF = `${STEPFUN_PROVIDER_ID}/${STEPFUN_DEFAULT_MODEL_ID}`;
 export const STEPFUN_PLAN_DEFAULT_MODEL_REF = `${STEPFUN_PLAN_PROVIDER_ID}/${STEPFUN_DEFAULT_MODEL_ID}`;
 
-const STEPFUN_DEFAULT_COST = {
-  input: 0,
-  output: 0,
-  cacheRead: 0,
-  cacheWrite: 0,
-} as const;
-
-function buildStepFunModel(id: string, name: string): ModelDefinitionConfig {
-  return {
-    id,
-    name,
-    reasoning: true,
-    input: ["text"],
-    cost: STEPFUN_DEFAULT_COST,
-    contextWindow: 262_144,
-    maxTokens: 65_536,
-  };
-}
-
-const STEPFUN_STANDARD_MODEL_CATALOG: ReadonlyArray<ModelDefinitionConfig> = [
-  buildStepFunModel(STEPFUN_DEFAULT_MODEL_ID, "Step 3.5 Flash"),
-];
-
-const STEPFUN_PLAN_MODEL_CATALOG: ReadonlyArray<ModelDefinitionConfig> = [
-  buildStepFunModel(STEPFUN_DEFAULT_MODEL_ID, "Step 3.5 Flash"),
-  buildStepFunModel(STEPFUN_FLASH_2603_MODEL_ID, "Step 3.5 Flash 2603"),
-];
-
-function cloneCatalog(models: ReadonlyArray<ModelDefinitionConfig>): ModelDefinitionConfig[] {
-  return models.map((model) => ({ ...model }));
+function buildStepFunManifestProvider(providerId: string, baseUrl: string): ModelProviderConfig {
+  const provider = buildManifestModelProviderConfig({
+    providerId,
+    catalog: manifest.modelCatalog.providers[providerId],
+  });
+  return provider.baseUrl === baseUrl ? provider : { ...provider, baseUrl };
 }
 
 export function buildStepFunProvider(
   baseUrl: string = STEPFUN_STANDARD_INTL_BASE_URL,
 ): ModelProviderConfig {
-  return {
-    baseUrl,
-    api: "openai-completions",
-    models: cloneCatalog(STEPFUN_STANDARD_MODEL_CATALOG),
-  };
+  return buildStepFunManifestProvider(STEPFUN_PROVIDER_ID, baseUrl);
 }
 
 export function buildStepFunPlanProvider(
   baseUrl: string = STEPFUN_PLAN_INTL_BASE_URL,
 ): ModelProviderConfig {
-  return {
-    baseUrl,
-    api: "openai-completions",
-    models: cloneCatalog(STEPFUN_PLAN_MODEL_CATALOG),
-  };
+  return buildStepFunManifestProvider(STEPFUN_PLAN_PROVIDER_ID, baseUrl);
 }