diff --git a/extensions/anthropic/api.ts b/extensions/anthropic/api.ts
index 6fcd8f8e147..c7733cbd3f4 100644
--- a/extensions/anthropic/api.ts
+++ b/extensions/anthropic/api.ts
@@ -1,4 +1,5 @@
 export { CLAUDE_CLI_BACKEND_ID, isClaudeCliProvider } from "./cli-shared.js";
+export { buildAnthropicProvider } from "./register.runtime.js";
 export {
   createAnthropicBetaHeadersWrapper,
   createAnthropicFastModeWrapper,
diff --git a/extensions/anthropic/register.runtime.ts b/extensions/anthropic/register.runtime.ts
index 510ffaf2883..ae8125528bd 100644
--- a/extensions/anthropic/register.runtime.ts
+++ b/extensions/anthropic/register.runtime.ts
@@ -18,7 +18,10 @@ import {
   upsertAuthProfile,
   validateAnthropicSetupToken,
 } from "openclaw/plugin-sdk/provider-auth";
-import { cloneFirstTemplateModel } from "openclaw/plugin-sdk/provider-model-shared";
+import {
+  cloneFirstTemplateModel,
+  type ProviderPlugin,
+} from "openclaw/plugin-sdk/provider-model-shared";
 import { fetchClaudeUsage } from "openclaw/plugin-sdk/provider-usage";
 import { normalizeLowercaseStringOrEmpty } from "openclaw/plugin-sdk/text-runtime";
 import * as claudeCliAuth from "./cli-auth-seam.js";
@@ -395,11 +398,10 @@ async function runAnthropicCliMigrationNonInteractive(ctx: {
   };
 }
 
-export function registerAnthropicPlugin(api: OpenClawPluginApi): void {
+export function buildAnthropicProvider(): ProviderPlugin {
   const providerId = "anthropic";
   const defaultAnthropicModel = DEFAULT_ANTHROPIC_MODEL;
-  api.registerCliBackend(buildAnthropicCliBackend());
-  api.registerProvider({
+  return {
     id: providerId,
     label: "Anthropic",
     docsPath: "/providers/models",
@@ -505,6 +507,11 @@ export function registerAnthropicPlugin(api: OpenClawPluginApi): void {
         store: ctx.store,
         profileId: ctx.profileId,
       }),
-  });
+  };
+}
+
+export function registerAnthropicPlugin(api: OpenClawPluginApi): void {
+  api.registerCliBackend(buildAnthropicCliBackend());
+  api.registerProvider(buildAnthropicProvider());
   api.registerMediaUnderstandingProvider(anthropicMediaUnderstandingProvider);
 }
diff --git a/extensions/google/api.ts b/extensions/google/api.ts
index bb4939bc637..fb96d515e70 100644
--- a/extensions/google/api.ts
+++ b/extensions/google/api.ts
@@ -24,6 +24,8 @@ export {
   shouldNormalizeGoogleGenerativeAiProviderConfig,
   shouldNormalizeGoogleProviderConfig,
 } from "./provider-policy.js";
+export { buildGoogleGeminiCliProvider } from "./gemini-cli-provider.js";
+export { buildGoogleProvider } from "./provider-registration.js";
 
 export function parseGeminiAuth(apiKey: string): { headers: Record<string, string> } {
   const parsed = apiKey.startsWith("{") ? parseGoogleOauthApiKey(apiKey) : null;
diff --git a/extensions/google/gemini-cli-provider.ts b/extensions/google/gemini-cli-provider.ts
index 3da20eed293..b564c716a40 100644
--- a/extensions/google/gemini-cli-provider.ts
+++ b/extensions/google/gemini-cli-provider.ts
@@ -4,6 +4,7 @@ import type {
   ProviderFetchUsageSnapshotContext,
 } from "openclaw/plugin-sdk/plugin-entry";
 import { buildOauthProviderAuthResult } from "openclaw/plugin-sdk/provider-auth-result";
+import type { ProviderPlugin } from "openclaw/plugin-sdk/provider-model-shared";
 import { buildProviderToolCompatFamilyHooks } from "openclaw/plugin-sdk/provider-tools";
 import { fetchGeminiUsage } from "openclaw/plugin-sdk/provider-usage";
 import { formatGoogleOauthApiKey, parseGoogleUsageToken } from "./oauth-token-shared.js";
@@ -29,8 +30,8 @@ async function fetchGeminiCliUsage(ctx: ProviderFetchUsageSnapshotContext) {
   return await fetchGeminiUsage(ctx.token, ctx.timeoutMs, ctx.fetchFn, PROVIDER_ID);
 }
 
-export function registerGoogleGeminiCliProvider(api: OpenClawPluginApi) {
-  api.registerProvider({
+export function buildGoogleGeminiCliProvider(): ProviderPlugin {
+  return {
     id: PROVIDER_ID,
     label: PROVIDER_LABEL,
     docsPath: "/providers/models",
@@ -128,5 +129,9 @@ export function registerGoogleGeminiCliProvider(api: OpenClawPluginApi) {
       };
     },
     fetchUsageSnapshot: async (ctx) => await fetchGeminiCliUsage(ctx),
-  });
+  };
+}
+
+export function registerGoogleGeminiCliProvider(api: OpenClawPluginApi) {
+  api.registerProvider(buildGoogleGeminiCliProvider());
 }
diff --git a/extensions/google/provider-registration.ts b/extensions/google/provider-registration.ts
index 1883a961cf1..f33d15b7c74 100644
--- a/extensions/google/provider-registration.ts
+++ b/extensions/google/provider-registration.ts
@@ -1,5 +1,6 @@
 import type { OpenClawPluginApi } from "openclaw/plugin-sdk/plugin-entry";
 import { createProviderApiKeyAuthMethod } from "openclaw/plugin-sdk/provider-auth-api-key";
+import type { ProviderPlugin } from "openclaw/plugin-sdk/provider-model-shared";
 import {
   GOOGLE_GEMINI_DEFAULT_MODEL,
   applyGoogleGeminiModelDefault,
@@ -10,8 +11,8 @@ import {
 import { GOOGLE_GEMINI_PROVIDER_HOOKS } from "./provider-hooks.js";
 import { isModernGoogleModel, resolveGoogleGeminiForwardCompatModel } from "./provider-models.js";
 
-export function registerGoogleProvider(api: OpenClawPluginApi) {
-  api.registerProvider({
+export function buildGoogleProvider(): ProviderPlugin {
+  return {
     id: "google",
     label: "Google AI Studio",
     docsPath: "/providers/models",
@@ -50,5 +51,9 @@ export function registerGoogleProvider(api: OpenClawPluginApi) {
       }),
     ...GOOGLE_GEMINI_PROVIDER_HOOKS,
     isModernModelRef: ({ modelId }) => isModernGoogleModel(modelId),
-  });
+  };
+}
+
+export function registerGoogleProvider(api: OpenClawPluginApi) {
+  api.registerProvider(buildGoogleProvider());
 }
diff --git a/extensions/openai/api.ts b/extensions/openai/api.ts
index 7f144f9aa11..96f5a56e8f5 100644
--- a/extensions/openai/api.ts
+++ b/extensions/openai/api.ts
@@ -10,6 +10,7 @@ export {
   OPENAI_DEFAULT_TTS_VOICE,
 } from "./default-models.js";
 export { buildOpenAICodexProvider } from "./openai-codex-catalog.js";
+export { buildOpenAICodexProviderPlugin } from "./openai-codex-provider.js";
 export { buildOpenAIProvider } from "./openai-provider.js";
 export { buildOpenAIRealtimeTranscriptionProvider } from "./realtime-transcription-provider.js";
 export { buildOpenAIRealtimeVoiceProvider } from "./realtime-voice-provider.js";
diff --git a/src/plugins/contracts/provider-vitest-registry.ts b/src/plugins/contracts/provider-vitest-registry.ts
new file mode 100644
index 00000000000..205ff65e0c0
--- /dev/null
+++ b/src/plugins/contracts/provider-vitest-registry.ts
@@ -0,0 +1,28 @@
+import { buildAnthropicProvider } from "../../../extensions/anthropic/api.js";
+import {
+  buildGoogleGeminiCliProvider,
+  buildGoogleProvider,
+} from "../../../extensions/google/api.js";
+import {
+  buildOpenAICodexProviderPlugin,
+  buildOpenAIProvider,
+} from "../../../extensions/openai/api.js";
+import type { ProviderPlugin } from "../types.js";
+
+export type ProviderContractEntry = {
+  pluginId: string;
+  provider: ProviderPlugin;
+};
+
+let providerContractRegistryCache: ProviderContractEntry[] | null = null;
+
+export function loadVitestProviderContractRegistry(): ProviderContractEntry[] {
+  providerContractRegistryCache ??= [
+    { pluginId: "anthropic", provider: buildAnthropicProvider() },
+    { pluginId: "google", provider: buildGoogleProvider() },
+    { pluginId: "google", provider: buildGoogleGeminiCliProvider() },
+    { pluginId: "openai", provider: buildOpenAIProvider() },
+    { pluginId: "openai", provider: buildOpenAICodexProviderPlugin() },
+  ];
+  return providerContractRegistryCache;
+}
diff --git a/src/plugins/contracts/registry.retry.test.ts b/src/plugins/contracts/registry.retry.test.ts
index 97e10da95e3..c61071306d8 100644
--- a/src/plugins/contracts/registry.retry.test.ts
+++ b/src/plugins/contracts/registry.retry.test.ts
@@ -187,6 +187,47 @@ describe("plugin contract registry scoped retries", () => {
     expect(loadBundledCapabilityRuntimeRegistry).toHaveBeenCalledTimes(1);
   });
 
+  it("uses provider public artifacts before falling back to the bundled runtime registry", async () => {
+    const loadBundledCapabilityRuntimeRegistry = vi.fn(() => {
+      throw new Error("provider contract vitest fast path should not hit bundled runtime registry");
+    });
+    const loadVitestProviderContractRegistry = vi.fn(() => [
+      {
+        pluginId: "openai",
+        provider: {
+          id: "openai",
+          label: "OpenAI",
+          docsPath: "/providers/openai",
+          auth: [{ id: "api-key", label: "API key", run: async () => ({ profiles: [] }) }],
+        } as ProviderPlugin,
+      },
+      {
+        pluginId: "openai",
+        provider: {
+          id: "openai-codex",
+          label: "OpenAI Codex",
+          docsPath: "/providers/openai",
+          auth: [{ id: "oauth", label: "OAuth", run: async () => ({ profiles: [] }) }],
+        } as ProviderPlugin,
+      },
+    ]);
+
+    vi.doMock("../bundled-capability-runtime.js", () => ({
+      loadBundledCapabilityRuntimeRegistry,
+    }));
+    vi.doMock("./provider-vitest-registry.js", () => ({
+      loadVitestProviderContractRegistry,
+    }));
+
+    const { resolveProviderContractProvidersForPluginIds } = await import("./registry.js");
+
+    expect(
+      resolveProviderContractProvidersForPluginIds(["openai"]).map((provider) => provider.id),
+    ).toEqual(["openai", "openai-codex"]);
+    expect(loadVitestProviderContractRegistry).toHaveBeenCalledTimes(1);
+    expect(loadBundledCapabilityRuntimeRegistry).not.toHaveBeenCalled();
+  });
+
   it("retries web fetch provider loads after a transient plugin-scoped runtime error", async () => {
     const loadBundledCapabilityRuntimeRegistry = vi
       .fn()
diff --git a/src/plugins/contracts/registry.ts b/src/plugins/contracts/registry.ts
index 24b706879fc..369ba470770 100644
--- a/src/plugins/contracts/registry.ts
+++ b/src/plugins/contracts/registry.ts
@@ -17,6 +17,7 @@ import type {
   WebSearchProviderPlugin,
 } from "../types.js";
 import { BUNDLED_PLUGIN_CONTRACT_SNAPSHOTS } from "./inventory/bundled-capability-metadata.js";
+import { loadVitestProviderContractRegistry } from "./provider-vitest-registry.js";
 import { uniqueStrings } from "./shared.js";
 import {
   loadVitestImageGenerationProviderContractRegistry,
@@ -314,6 +315,16 @@ function loadProviderContractEntriesForPluginId(pluginId: string): ProviderContr
     return cached;
   }
 
+  if (process.env.VITEST) {
+    const vitestEntries = loadVitestProviderContractRegistry().filter(
+      (entry) => entry.pluginId === pluginId,
+    );
+    if (vitestEntries.length > 0) {
+      cache.set(pluginId, vitestEntries);
+      return vitestEntries;
+    }
+  }
+
   try {
     providerContractLoadError = undefined;
     const entries = loadScopedCapabilityRuntimeRegistryEntries({
@@ -344,13 +355,22 @@ function loadProviderContractRegistry(): ProviderContractEntry[] {
   if (!providerContractRegistryCache) {
     try {
       providerContractLoadError = undefined;
-      providerContractRegistryCache = loadBundledCapabilityRuntimeRegistry({
-        pluginIds: resolveBundledProviderContractPluginIds(),
-        pluginSdkResolution: "dist",
-      }).providers.map((entry) => ({
-        pluginId: entry.pluginId,
-        provider: entry.provider,
-      }));
+      const vitestEntries = process.env.VITEST ? loadVitestProviderContractRegistry() : [];
+      const coveredPluginIds = new Set(vitestEntries.map((entry) => entry.pluginId));
+      const remainingPluginIds = resolveBundledProviderContractPluginIds().filter(
+        (pluginId) => !coveredPluginIds.has(pluginId),
+      );
+      const runtimeEntries =
+        remainingPluginIds.length > 0
+          ? loadBundledCapabilityRuntimeRegistry({
+              pluginIds: remainingPluginIds,
+              pluginSdkResolution: "dist",
+            }).providers.map((entry) => ({
+              pluginId: entry.pluginId,
+              provider: entry.provider,
+            }))
+          : [];
+      providerContractRegistryCache = [...vitestEntries, ...runtimeEntries];
     } catch (error) {
       providerContractLoadError = error instanceof Error ? error : new Error(String(error));
       providerContractRegistryCache = [];