diff --git a/.changeset/tender-falcons-direct.md b/.changeset/tender-falcons-direct.md
new file mode 100644
index 000000000..e7d769a46
--- /dev/null
+++ b/.changeset/tender-falcons-direct.md
@@ -0,0 +1,5 @@
+---
+"@livekit/agents-plugin-anam": patch
+---
+
+feat(anam): add director notes config
diff --git a/plugins/anam/etc/agents-plugin-anam.api.md b/plugins/anam/etc/agents-plugin-anam.api.md
index 72271318d..4a9a3a8d4 100644
--- a/plugins/anam/etc/agents-plugin-anam.api.md
+++ b/plugins/anam/etc/agents-plugin-anam.api.md
@@ -62,7 +62,14 @@ export class AvatarSession extends voice.AvatarSession {
 }
 
 // @public (undocumented)
-export function mintAvatarJoinToken(input: {
+export type DirectorNotes = {
+    expressivity?: number;
+    presetStyle?: string;
+    customStylePrompt?: string;
+};
+
+// @public (undocumented)
+export function mintAvatarJoinToken({ roomName, avatarIdentity, publishOnBehalf, apiKey, apiSecret, ttl, }: {
     roomName: string;
     avatarIdentity: string;
     publishOnBehalf: string;
@@ -76,6 +83,7 @@ export type PersonaConfig = {
     name?: string;
     avatarId?: string;
     avatarModel?: string;
+    directorNotes?: DirectorNotes;
     personaId?: string;
 };
 
diff --git a/plugins/anam/src/api.ts b/plugins/anam/src/api.ts
index 9f9601e8c..22a1423c0 100644
--- a/plugins/anam/src/api.ts
+++ b/plugins/anam/src/api.ts
@@ -130,6 +130,11 @@ export class AnamAPI {
     sessionOptions?: SessionOptions;
   }) {
     const pc = params.personaConfig;
+    const directorNotes = pc.directorNotes
+      ? Object.fromEntries(
+          Object.entries(pc.directorNotes).filter(([, value]) => value !== undefined),
+        )
+      : undefined;
     // Anam's personaConfig is a `oneOf`: reference a previously created
     // (stateful) persona by `personaId` — the "dev flow" — or configure an
     // ephemeral persona inline with name/avatarId/llmId. The two are mutually
@@ -145,6 +150,7 @@ export class AnamAPI {
           // Only forward the avatar model version when set; otherwise let Anam
           // fall back to the avatar's default model.
           ...(pc.avatarModel ? { avatarModel: pc.avatarModel } : {}),
+          ...(directorNotes && Object.keys(directorNotes).length > 0 ? { directorNotes } : {}),
         };
 
     const payload: Record<string, unknown> = {
diff --git a/plugins/anam/src/types.ts b/plugins/anam/src/types.ts
index 491d3b87f..87cd14ed8 100644
--- a/plugins/anam/src/types.ts
+++ b/plugins/anam/src/types.ts
@@ -1,6 +1,16 @@
 // SPDX-FileCopyrightText: 2025 LiveKit, Inc.
 //
 // SPDX-License-Identifier: Apache-2.0
+/** @public */
+export type DirectorNotes = {
+  /** Normalized expressivity in [0, 1] controlling how strongly the avatar responds to style/cues. */
+  expressivity?: number;
+  /** Built-in expressive style, mutually exclusive with customStylePrompt. */
+  presetStyle?: string;
+  /** Free-form expressive style prompt, mutually exclusive with presetStyle. */
+  customStylePrompt?: string;
+};
+
 /** @public */
 export type PersonaConfig = {
   /** Optional display name (prod flow) */
@@ -9,6 +19,8 @@ export type PersonaConfig = {
   avatarId?: string;
   /** Optional avatar model version, e.g. "cara-3" or "cara-4-latest" (prod flow) */
   avatarModel?: string;
+  /** Optional per-session director-notes overrides (prod flow) */
+  directorNotes?: DirectorNotes;
   /** Optional persona id (dev flow) */
   personaId?: string;
 };