diff --git a/src/index.tsx b/src/index.tsx
index 3cad2d0..b9dd8c7 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -19,6 +19,11 @@
 //            useArcadiaSubscription
 // Realtime:  createArcadiaRealtime, socketUrlFromBaseUrl,
 //            type ArcadiaRealtime, type TenantEventMap, type RealtimeStatus
+// Social:    createSocialBindings, type SocialBindings,
+//            + wire types (SocialProfile, SocialArticle, SocialPost,
+//            SocialThread, SocialFavourite, SocialSubscription,
+//            SocialNotification, SocialNotificationList,
+//            SocialNotificationKind, SocialVisibility)
 // Types:     re-exported subset from ./types and ./generated/openapi
 // ===========================================================================
 "use client";
@@ -27,4 +32,5 @@ export * from "./client";
 export * from "./errors";
 export * from "./provider";
 export * from "./realtime";
+export * from "./social";
 export * from "./types";
diff --git a/src/social.ts b/src/social.ts
new file mode 100644
index 0000000..fe9a60d
--- /dev/null
+++ b/src/social.ts
@@ -0,0 +1,319 @@
+// Typed bindings for /api/v1/social/* — profiles, articles, board
+// posts, agent favourites + DNA-change subscriptions, per-user
+// notifications.
+//
+// Uses the generic `client.GET/POST/...` rather than the typed
+// openapi-fetch surface because the OpenAPI spec doesn't yet include
+// these endpoints. The shapes below mirror the Phoenix JSON modules
+// in `apps/arcadia_core/lib/arcadia_web/controllers/api/social/`.
+// When the spec is regenerated to include /social, these can migrate
+// to client.typed without changing the caller surface.
+
+import type { ArcadiaClient } from "./client";
+
+// ============================================================================
+// Wire types
+// ============================================================================
+
+export type SocialVisibility = "private" | "tenant";
+
+export interface SocialProfile {
+  id: string;
+  user_id: string;
+  tenant_id: string;
+  display_name: string | null;
+  headline: string | null;
+  bio: string;
+  location: string | null;
+  website: string | null;
+  visibility: SocialVisibility | "tenant";
+  inserted_at: string;
+  updated_at: string;
+}
+
+export interface SocialProfileUpdate {
+  display_name?: string | null;
+  headline?: string | null;
+  bio?: string;
+  location?: string | null;
+  website?: string | null;
+  visibility?: SocialVisibility;
+}
+
+export interface SocialArticle {
+  id: string;
+  author_id: string;
+  tenant_id: string;
+  title: string;
+  slug: string;
+  body_md: string;
+  summary: string | null;
+  visibility: SocialVisibility;
+  deleted_at: string | null;
+  inserted_at: string;
+  updated_at: string;
+}
+
+export interface SocialArticleCreate {
+  title: string;
+  slug: string;
+  body_md: string;
+  summary?: string | null;
+  visibility?: SocialVisibility;
+}
+
+export type SocialArticleUpdate = Partial<SocialArticleCreate>;
+
+export interface SocialPost {
+  id: string;
+  author_id: string;
+  tenant_id: string;
+  parent_id: string | null;
+  topic: string | null;
+  body_md: string;
+  reply_count: number;
+  deleted_at: string | null;
+  inserted_at: string;
+  updated_at: string;
+}
+
+export interface SocialPostCreate {
+  body_md: string;
+  /** Set to a top-level post id to create a reply. Replies to replies
+   *  fold up to the top-level parent server-side. */
+  parent_id?: string;
+  topic?: string | null;
+}
+
+export interface SocialThread {
+  post: SocialPost;
+  replies: SocialPost[];
+}
+
+export interface SocialFavourite {
+  id: string;
+  user_id: string;
+  tenant_id: string;
+  agent_id: string;
+  note: string;
+  inserted_at: string;
+  updated_at: string;
+}
+
+export interface SocialSubscription {
+  id: string;
+  user_id: string;
+  tenant_id: string;
+  agent_id: string;
+  last_seen_dna_hash: string | null;
+  inserted_at: string;
+  updated_at: string;
+}
+
+export type SocialNotificationKind =
+  | "mention"
+  | "post_reply"
+  | "dna_change"
+  | (string & { _unknownKind?: never });
+
+export interface SocialNotification {
+  id: string;
+  kind: SocialNotificationKind;
+  payload: Record<string, unknown>;
+  read_at: string | null;
+  inserted_at: string;
+}
+
+export interface SocialNotificationList {
+  data: SocialNotification[];
+  unread_count: number;
+}
+
+// ============================================================================
+// Bindings
+// ============================================================================
+
+interface Envelope<T> {
+  data: T;
+}
+
+interface ThreadEnvelope {
+  data: SocialPost;
+  replies: SocialPost[];
+}
+
+export interface SocialBindings {
+  // ---------- profiles ----------
+  getMyProfile(): Promise<SocialProfile>;
+  updateMyProfile(patch: SocialProfileUpdate): Promise<SocialProfile>;
+  getProfile(userId: string): Promise<SocialProfile>;
+  listProfiles(): Promise<SocialProfile[]>;
+
+  // ---------- articles ----------
+  listArticles(opts?: { authorId?: string }): Promise<SocialArticle[]>;
+  getArticle(id: string): Promise<SocialArticle>;
+  createArticle(attrs: SocialArticleCreate): Promise<SocialArticle>;
+  updateArticle(id: string, patch: SocialArticleUpdate): Promise<SocialArticle>;
+  deleteArticle(id: string): Promise<void>;
+
+  // ---------- board ----------
+  listFeed(opts?: { limit?: number }): Promise<SocialPost[]>;
+  getThread(postId: string): Promise<SocialThread>;
+  createPost(body: SocialPostCreate): Promise<SocialPost>;
+  reply(parentId: string, body: string): Promise<SocialPost>;
+  updatePost(id: string, body: string): Promise<SocialPost>;
+  deletePost(id: string): Promise<void>;
+
+  // ---------- favourites ----------
+  listFavourites(): Promise<SocialFavourite[]>;
+  addFavourite(agentId: string, note?: string): Promise<SocialFavourite>;
+  removeFavourite(agentId: string): Promise<void>;
+
+  // ---------- subscriptions ----------
+  listSubscriptions(): Promise<SocialSubscription[]>;
+  /** Add a DNA-change subscription. Pass `lastSeenDnaHash` (the
+   *  hash you just vetted) so the next change you hear about is a
+   *  *real* change, not a notification at the current value. */
+  addSubscription(
+    agentId: string,
+    opts?: { lastSeenDnaHash?: string },
+  ): Promise<SocialSubscription>;
+  removeSubscription(agentId: string): Promise<void>;
+
+  // ---------- notifications ----------
+  listNotifications(opts?: {
+    limit?: number;
+    unreadOnly?: boolean;
+  }): Promise<SocialNotificationList>;
+  markNotificationRead(id: string): Promise<void>;
+  markAllNotificationsRead(): Promise<void>;
+}
+
+/** Build a typed bindings object over an `ArcadiaClient`. The client
+ *  is responsible for auth + tenant context — these methods just
+ *  shape paths + payloads. */
+export function createSocialBindings(client: ArcadiaClient): SocialBindings {
+  const base = "/api/v1/social";
+
+  function unwrap<T>(envelope: { data: T }): T {
+    return envelope.data;
+  }
+
+  return {
+    // profiles
+    getMyProfile: () =>
+      client.GET<Envelope<SocialProfile>>(`${base}/me/profile`).then(unwrap),
+    updateMyProfile: (patch) =>
+      client
+        .PUT<Envelope<SocialProfile>>(`${base}/me/profile`, { body: patch })
+        .then(unwrap),
+    getProfile: (userId) =>
+      client
+        .GET<Envelope<SocialProfile>>(`${base}/profiles/${userId}`)
+        .then(unwrap),
+    listProfiles: () =>
+      client.GET<Envelope<SocialProfile[]>>(`${base}/profiles`).then(unwrap),
+
+    // articles
+    listArticles: (opts) =>
+      client
+        .GET<Envelope<SocialArticle[]>>(`${base}/articles`, {
+          params: opts?.authorId ? { author_id: opts.authorId } : undefined,
+        })
+        .then(unwrap),
+    getArticle: (id) =>
+      client
+        .GET<Envelope<SocialArticle>>(`${base}/articles/${id}`)
+        .then(unwrap),
+    createArticle: (attrs) =>
+      client
+        .POST<Envelope<SocialArticle>>(`${base}/articles`, { body: attrs })
+        .then(unwrap),
+    updateArticle: (id, patch) =>
+      client
+        .PUT<Envelope<SocialArticle>>(`${base}/articles/${id}`, { body: patch })
+        .then(unwrap),
+    deleteArticle: async (id) => {
+      await client.DELETE<void>(`${base}/articles/${id}`);
+    },
+
+    // board
+    listFeed: (opts) =>
+      client
+        .GET<Envelope<SocialPost[]>>(`${base}/posts`, {
+          params: opts?.limit ? { limit: opts.limit } : undefined,
+        })
+        .then(unwrap),
+    getThread: (postId) =>
+      client
+        .GET<ThreadEnvelope>(`${base}/posts/${postId}`)
+        .then((r) => ({ post: r.data, replies: r.replies })),
+    createPost: (body) =>
+      client
+        .POST<ThreadEnvelope>(`${base}/posts`, { body })
+        .then((r) => r.data),
+    reply: (parentId, body) =>
+      client
+        .POST<ThreadEnvelope>(`${base}/posts`, {
+          body: { body_md: body, parent_id: parentId },
+        })
+        .then((r) => r.data),
+    updatePost: (id, body) =>
+      client
+        .PUT<ThreadEnvelope>(`${base}/posts/${id}`, { body: { body_md: body } })
+        .then((r) => r.data),
+    deletePost: async (id) => {
+      await client.DELETE<void>(`${base}/posts/${id}`);
+    },
+
+    // favourites
+    listFavourites: () =>
+      client
+        .GET<Envelope<SocialFavourite[]>>(`${base}/favourites`)
+        .then(unwrap),
+    addFavourite: (agentId, note) =>
+      client
+        .POST<Envelope<SocialFavourite>>(`${base}/favourites`, {
+          body: { agent_id: agentId, ...(note !== undefined ? { note } : {}) },
+        })
+        .then(unwrap),
+    removeFavourite: async (agentId) => {
+      await client.DELETE<void>(`${base}/favourites/${agentId}`);
+    },
+
+    // subscriptions
+    listSubscriptions: () =>
+      client
+        .GET<Envelope<SocialSubscription[]>>(`${base}/subscriptions`)
+        .then(unwrap),
+    addSubscription: (agentId, opts) =>
+      client
+        .POST<Envelope<SocialSubscription>>(`${base}/subscriptions`, {
+          body: {
+            agent_id: agentId,
+            ...(opts?.lastSeenDnaHash !== undefined
+              ? { last_seen_dna_hash: opts.lastSeenDnaHash }
+              : {}),
+          },
+        })
+        .then(unwrap),
+    removeSubscription: async (agentId) => {
+      await client.DELETE<void>(`${base}/subscriptions/${agentId}`);
+    },
+
+    // notifications
+    listNotifications: (opts) =>
+      client.GET<SocialNotificationList>(`${base}/notifications`, {
+        params: {
+          ...(opts?.limit !== undefined ? { limit: opts.limit } : {}),
+          ...(opts?.unreadOnly ? { unread_only: true } : {}),
+        },
+      }),
+    markNotificationRead: async (id) => {
+      await client.POST<void>(`${base}/notifications/${id}/read`);
+    },
+    markAllNotificationsRead: async () => {
+      await client.POST<void>(`${base}/notifications/read-all`);
+    },
+  };
+}