diff --git a/packages-ext/telemetry/src/index.ts b/packages-ext/telemetry/src/index.ts
index a3c1aaf..7637500 100644
--- a/packages-ext/telemetry/src/index.ts
+++ b/packages-ext/telemetry/src/index.ts
@@ -1,2 +1,5 @@
 export { generateText } from './utils/generate-text'
 export { streamText } from './utils/stream-text'
+
+export type * from 'xsai'
+export * from 'xsai'
diff --git a/packages-ext/telemetry/src/utils/generate-text.ts b/packages-ext/telemetry/src/utils/generate-text.ts
index 9d40e5c..efcffe7 100644
--- a/packages-ext/telemetry/src/utils/generate-text.ts
+++ b/packages-ext/telemetry/src/utils/generate-text.ts
@@ -8,6 +8,10 @@ import { recordSpan } from './record-span'
 import { stringifyTool } from './stringify-tool'
 import { wrapTool } from './wrap-tool'
 
+/**
+ * @experimental
+ * Generating Text with Telemetry.
+ */
 export const generateText = async (options: GenerateTextOptions) => {
   const tracer = getTracer()
 
diff --git a/packages-ext/telemetry/src/utils/stream-text.ts b/packages-ext/telemetry/src/utils/stream-text.ts
index f0055c9..03a41ce 100644
--- a/packages-ext/telemetry/src/utils/stream-text.ts
+++ b/packages-ext/telemetry/src/utils/stream-text.ts
@@ -9,6 +9,10 @@ import { DelayedPromise, transformChunk } from './stream-text-internal'
 import { stringifyTool } from './stringify-tool'
 import { wrapTool } from './wrap-tool'
 
+/**
+ * @experimental
+ * Streaming Text with Telemetry.
+ */
 export const streamText = (options: StreamTextOptions) => {
   const tracer = getTracer()