diff --git a/adapter/max/__init__.py b/adapter/max/__init__.py
new file mode 100644
index 0000000..c12c8ba
--- /dev/null
+++ b/adapter/max/__init__.py
@@ -0,0 +1 @@
+"""MAX surface adapter."""
\ No newline at end of file
diff --git a/adapter/max/agent_registry.py b/adapter/max/agent_registry.py
new file mode 100644
index 0000000..a3c2b67
--- /dev/null
+++ b/adapter/max/agent_registry.py
@@ -0,0 +1,50 @@
+"""Agent registry for MAX surface."""
+import os
+import yaml
+from typing import List, Optional
+from dataclasses import dataclass, field
+
+
+@dataclass
+class AgentConfig:
+    id: str
+    label: str
+    base_url: str
+    workspace_path: str
+
+
+@dataclass
+class AgentRegistry:
+    agents: List[AgentConfig] = field(default_factory=list)
+
+    def get_agent_for_user(self, user_id: str) -> AgentConfig:
+        return self.agents[0]
+
+    def get_agent_by_id(self, agent_id: str) -> Optional[AgentConfig]:
+        for agent in self.agents:
+            if agent.id == agent_id:
+                return agent
+        return None
+
+
+def load_agent_registry(path: str) -> AgentRegistry:
+    with open(path, "r") as f:
+        data = yaml.safe_load(f)
+
+    registry = AgentRegistry()
+    for a in data.get("agents", []):
+        registry.agents.append(AgentConfig(
+            id=a["id"],
+            label=a.get("label", ""),
+            base_url=a["base_url"],
+            workspace_path=a["workspace_path"],
+        ))
+    return registry
+
+
+def load_from_env() -> AgentRegistry:
+    path = os.environ.get(
+        "MAX_AGENT_REGISTRY_PATH",
+        "/app/config/max-agents.yaml",
+    )
+    return load_agent_registry(path)
\ No newline at end of file
diff --git a/adapter/max/bot.py b/adapter/max/bot.py
new file mode 100644
index 0000000..af857f7
--- /dev/null
+++ b/adapter/max/bot.py
@@ -0,0 +1,247 @@
+"""MAX surface bot runtime."""
+import os
+import asyncio
+import aiohttp
+from typing import Optional
+
+from adapter.max.agent_registry import load_from_env, AgentRegistry, AgentConfig
+from adapter.max.store import ChatStore
+from adapter.max.files import FileHandler
+from adapter.max.converter import (
+    max_message_to_incoming,
+    max_attachment_to_internal,
+)
+from adapter.max.handlers.chat import ChatHandler
+from adapter.max.handlers.attachments import AttachmentHandler
+from adapter.max.handlers.help import get_help
+from core.protocol import IncomingMessage, IncomingCommand, IncomingCallback
+
+
+class MaxSurface:
+    def __init__(self):
+        self.token = os.environ["MAX_BOT_TOKEN"]
+        self.api_url = os.environ.get("MAX_API_URL", "https://api.max.ru/v1")
+        self.workspace_dir = os.environ.get("SURFACES_WORKSPACE_DIR", "/agents")
+
+        self.registry: AgentRegistry = load_from_env()
+        self.store = ChatStore()
+        self.files = FileHandler(self.workspace_dir)
+        self.chat_handler = ChatHandler(self.store)
+        self.attach_handler = AttachmentHandler(self.store)
+        self.session: Optional[aiohttp.ClientSession] = None
+
+    async def start(self):
+        self.session = aiohttp.ClientSession(
+            headers={"Authorization": f"Bearer {self.token}"}
+        )
+        print("[MAX Surface] Starting long poll...")
+        offset = 0
+
+        while True:
+            try:
+                updates = await self._get_updates(offset)
+                for update in updates:
+                    offset = update["update_id"] + 1
+                    await self._process_update(update)
+            except Exception as e:
+                print(f"[MAX Surface] Error: {e}")
+                await asyncio.sleep(5)
+
+    async def _get_updates(self, offset: int) -> list:
+        async with self.session.get(
+            f"{self.api_url}/updates",
+            params={"offset": offset, "timeout": 30},
+        ) as resp:
+            data = await resp.json()
+            return data.get("result", [])
+
+    async def _process_update(self, update: dict) -> None:
+        if "message" in update:
+            await self._handle_message(update["message"])
+        elif "callback_query" in update:
+            await self._handle_callback(update["callback_query"])
+
+    async def _handle_message(self, message: dict) -> None:
+        text = message.get("text", "") or message.get("caption", "")
+        user_id = str(message["from"]["id"])
+        chat_id = str(message["chat"]["id"])
+        message_id = str(message["message_id"])
+
+        room = self.store.get_room_by_max_chat_id(chat_id)
+        if room is None:
+            agent = self.registry.get_agent_for_user(user_id)
+            platform_chat_id = self.chat_handler.handle_new(
+                max_chat_id=chat_id,
+                user_id=user_id,
+                agent_id=agent.id,
+            )
+            room = self.store.get_room_by_max_chat_id(chat_id)
+        else:
+            agent = self.registry.get_agent_by_id(room.agent_id)
+
+        attachments = []
+        if "attachment" in message:
+            att = message["attachment"]
+            internal_att = max_attachment_to_internal(
+                filename=att["filename"],
+                mime_type=att.get("mime_type", "application/octet-stream"),
+                download_url=att["download_url"],
+            )
+            attachments.append(internal_att)
+
+            workspace_path = await self.files.download_attachment(
+                download_url=att["download_url"],
+                filename=att["filename"],
+                agent_workspace=agent.workspace_path,
+                headers={"Authorization": f"Bearer {self.token}"},
+            )
+            self.store.stage_attachment(chat_id, (workspace_path, att["filename"]))
+
+        incoming = max_message_to_incoming(
+            text=text,
+            user_id=user_id,
+            chat_id=room.platform_chat_id,
+            attachments=attachments,
+        )
+
+        if isinstance(incoming, IncomingCommand):
+            response_text = await self._handle_surface_command(
+                incoming, max_chat_id=chat_id, user_id=user_id, agent=agent
+            )
+            if response_text:
+                await self._send_message(chat_id, response_text)
+            return
+
+        if isinstance(incoming, IncomingCallback):
+            await self._call_agent(
+                agent=agent,
+                platform_chat_id=room.platform_chat_id,
+                message=incoming,
+            )
+            return
+
+        if isinstance(incoming, IncomingMessage) and (incoming.text or attachments):
+            queued = self.store.pop_attachments(chat_id)
+            await self._send_typing(chat_id)
+            agent_response = await self._call_agent(
+                agent=agent,
+                platform_chat_id=room.platform_chat_id,
+                message=incoming,
+                attachments=queued,
+            )
+            await self._send_message(chat_id, agent_response)
+
+    async def _handle_callback(self, callback: dict) -> None:
+        user_id = str(callback["from"]["id"])
+        chat_id = str(callback["message"]["chat"]["id"])
+        message_id = str(callback["message"]["message_id"])
+        data = callback.get("data", "")
+
+        room = self.store.get_room_by_max_chat_id(chat_id)
+        if room is None:
+            return
+
+        incoming = max_message_to_incoming(
+            text="",
+            user_id=user_id,
+            chat_id=room.platform_chat_id,
+            callback_data=data,
+            message_id=message_id,
+        )
+
+        agent = self.registry.get_agent_by_id(room.agent_id)
+        await self._call_agent(
+            agent=agent,
+            platform_chat_id=room.platform_chat_id,
+            message=incoming,
+        )
+
+    async def _handle_surface_command(
+        self, cmd: IncomingCommand, max_chat_id: str, user_id: str, agent: AgentConfig
+    ) -> Optional[str]:
+        command = cmd.command
+        args = cmd.args
+
+        if command == "new":
+            name = " ".join(args) if args else None
+            self.chat_handler.handle_new(
+                max_chat_id=max_chat_id,
+                user_id=user_id,
+                agent_id=agent.id,
+                name=name,
+            )
+            return f"New chat created: {name or 'Unnamed'}"
+
+        elif command == "chats":
+            return self.chat_handler.handle_chats(user_id)
+
+        elif command == "rename":
+            return self.chat_handler.handle_rename(max_chat_id, args)
+
+        elif command == "archive":
+            return self.chat_handler.handle_archive(max_chat_id)
+
+        elif command in ("clear", "reset"):
+            return self.chat_handler.handle_clear(max_chat_id)
+
+        elif command == "list":
+            return self.attach_handler.handle_list(max_chat_id)
+
+        elif command == "remove":
+            return self.attach_handler.handle_remove(max_chat_id, args)
+
+        elif command == "help":
+            return get_help()
+
+        return None
+
+    async def _call_agent(
+        self,
+        agent: AgentConfig,
+        platform_chat_id: str,
+        message=None,
+        attachments: list = None,
+    ) -> str:
+        payload = {
+            "chat_id": platform_chat_id,
+            "agent_id": agent.id,
+        }
+        if message:
+            if isinstance(message, IncomingMessage):
+                payload["message"] = message.text
+            elif isinstance(message, IncomingCallback):
+                payload["action"] = message.action
+                payload["payload"] = message.payload
+            elif isinstance(message, IncomingCommand):
+                payload["command"] = message.command
+                payload["args"] = message.args
+        if attachments:
+            payload["attachments"] = [a[0] for a in attachments]
+
+        url = f"{agent.base_url}/chat/{agent.id}"
+        async with self.session.post(url, json=payload) as resp:
+            data = await resp.json()
+            return data.get("response", "")
+
+    async def _send_message(self, chat_id: str, text: str) -> None:
+        async with self.session.post(
+            f"{self.api_url}/sendMessage",
+            json={"chat_id": chat_id, "text": text},
+        ) as resp:
+            await resp.json()
+
+    async def _send_typing(self, chat_id: str) -> None:
+        async with self.session.post(
+            f"{self.api_url}/sendChatAction",
+            json={"chat_id": chat_id, "action": "typing"},
+        ) as resp:
+            await resp.json()
+
+
+async def main():
+    surface = MaxSurface()
+    await surface.start()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
\ No newline at end of file
diff --git a/adapter/max/converter.py b/adapter/max/converter.py
new file mode 100644
index 0000000..2bbfd8b
--- /dev/null
+++ b/adapter/max/converter.py
@@ -0,0 +1,88 @@
+"""MAX event to internal protocol converter."""
+from typing import Union, List
+from core.protocol import (
+    IncomingMessage,
+    IncomingCommand,
+    IncomingCallback,
+    Attachment,
+)
+
+
+def _extract_command(text: str) -> Union[IncomingCommand, IncomingCallback, None]:
+    if not text.startswith("!"):
+        return None
+
+    parts = text.strip().split(maxsplit=1)
+    cmd = parts[0].lower()
+    args = parts[1] if len(parts) > 1 else ""
+
+    if cmd == "!yes":
+        return IncomingCallback(
+            user_id="",
+            platform="max",
+            chat_id="",
+            action="confirm",
+        )
+    elif cmd == "!no":
+        return IncomingCallback(
+            user_id="",
+            platform="max",
+            chat_id="",
+            action="cancel",
+        )
+    else:
+        return IncomingCommand(
+            user_id="",
+            platform="max",
+            chat_id="",
+            command=cmd.lstrip("!"),
+            args=args.split() if args else [],
+        )
+
+
+def max_message_to_incoming(
+    *,
+    text: str,
+    user_id: str,
+    chat_id: str,
+    attachments: List[Attachment] = None,
+    callback_data: str = None,
+    message_id: str = None,
+) -> Union[IncomingMessage, IncomingCommand, IncomingCallback]:
+    if callback_data:
+        return IncomingCallback(
+            user_id=user_id,
+            platform="max",
+            chat_id=chat_id,
+            action=callback_data,
+            payload={"message_id": message_id} if message_id else {},
+        )
+
+    if text:
+        cmd = _extract_command(text)
+        if cmd is not None:
+            cmd.user_id = user_id
+            cmd.chat_id = chat_id
+            return cmd
+
+    return IncomingMessage(
+        user_id=user_id,
+        platform="max",
+        chat_id=chat_id,
+        text=text or "",
+        attachments=attachments or [],
+    )
+
+
+def max_attachment_to_internal(
+    *,
+    filename: str,
+    mime_type: str,
+    download_url: str,
+) -> Attachment:
+    return Attachment(
+        type="document",
+        url=download_url,
+        filename=filename,
+        mime_type=mime_type,
+    )
\ No newline at end of file
diff --git a/adapter/max/files.py b/adapter/max/files.py
new file mode 100644
index 0000000..58b87fb
--- /dev/null
+++ b/adapter/max/files.py
@@ -0,0 +1,51 @@
+"""File handling for MAX surface."""
+import os
+import aiohttp
+from pathlib import Path
+
+
+class FileHandler:
+    def __init__(self, workspace_root: str):
+        self.workspace_root = workspace_root
+
+    def _make_unique_filename(self, directory: str, filename: str) -> str:
+        base = Path(filename).stem
+        ext = Path(filename).suffix
+        candidate = filename
+        counter = 1
+        while os.path.exists(os.path.join(directory, candidate)):
+            candidate = f"{base} ({counter}){ext}"
+            counter += 1
+        return candidate
+
+    async def download_attachment(
+        self,
+        download_url: str,
+        filename: str,
+        agent_workspace: str,
+        headers: dict = None,
+    ) -> str:
+        full_dir = os.path.join(self.workspace_root, agent_workspace.strip("/"))
+        os.makedirs(full_dir, exist_ok=True)
+
+        unique_name = self._make_unique_filename(full_dir, filename)
+        filepath = os.path.join(full_dir, unique_name)
+
+        async with aiohttp.ClientSession() as session:
+            async with session.get(download_url, headers=headers) as resp:
+                resp.raise_for_status()
+                with open(filepath, "wb") as f:
+                    f.write(await resp.read())
+
+        return unique_name
+
+    def read_outgoing_file(self, workspace_path: str, agent_workspace: str) -> bytes:
+        full_dir = os.path.join(self.workspace_root, agent_workspace.strip("/"))
+        filepath = os.path.join(full_dir, workspace_path.lstrip("/"))
+        with open(filepath, "rb") as f:
+            return f.read()
+
+    def file_exists(self, workspace_path: str, agent_workspace: str) -> bool:
+        full_dir = os.path.join(self.workspace_root, agent_workspace.strip("/"))
+        filepath = os.path.join(full_dir, workspace_path.lstrip("/"))
+        return os.path.exists(filepath)
\ No newline at end of file
diff --git a/adapter/max/handlers/__init__.py b/adapter/max/handlers/__init__.py
new file mode 100644
index 0000000..3355924
--- /dev/null
+++ b/adapter/max/handlers/__init__.py
@@ -0,0 +1 @@
+"""MAX surface handlers."""
\ No newline at end of file
diff --git a/adapter/max/handlers/attachments.py b/adapter/max/handlers/attachments.py
new file mode 100644
index 0000000..c4d0da5
--- /dev/null
+++ b/adapter/max/handlers/attachments.py
@@ -0,0 +1,29 @@
+"""Attachment queue handlers for MAX surface."""
+from adapter.max.store import ChatStore
+
+
+class AttachmentHandler:
+    def __init__(self, store: ChatStore):
+        self.store = store
+
+    def handle_list(self, max_chat_id: str) -> str:
+        attachments = self.store.get_attachments(max_chat_id)
+        if not attachments:
+            return "Attachment queue is empty."
+        lines = [f"  {i+1}. {name}" for i, (_, name) in enumerate(attachments)]
+        return "\n".join(lines)
+
+    def handle_remove(self, max_chat_id: str, index: str) -> str:
+        attachments = self.store.staged_attachments.get(max_chat_id, [])
+        if index.lower() == "all":
+            self.store.staged_attachments[max_chat_id] = []
+            return "All attachments removed from queue."
+
+        try:
+            idx = int(index) - 1
+            if 0 <= idx < len(attachments):
+                removed = attachments.pop(idx)
+                return f"Removed: {removed[1]}"
+            return "Invalid index."
+        except ValueError:
+            return "Usage: !remove <number> or !remove all"
\ No newline at end of file
diff --git a/adapter/max/handlers/chat.py b/adapter/max/handlers/chat.py
new file mode 100644
index 0000000..2933d5f
--- /dev/null
+++ b/adapter/max/handlers/chat.py
@@ -0,0 +1,48 @@
+"""Chat management handlers for MAX surface."""
+import uuid
+from adapter.max.store import ChatStore, RoomMeta
+
+
+class ChatHandler:
+    def __init__(self, store: ChatStore):
+        self.store = store
+
+    def handle_new(self, max_chat_id: str, user_id: str, agent_id: str, name: str = None) -> str:
+        platform_chat_id = str(uuid.uuid4())
+        room = RoomMeta(
+            platform_chat_id=platform_chat_id,
+            max_chat_id=max_chat_id,
+            name=name or "New Chat",
+            user_id=user_id,
+            agent_id=agent_id,
+        )
+        self.store.add_room(room)
+        return platform_chat_id
+
+    def handle_chats(self, user_id: str) -> str:
+        rooms = self.store.list_rooms_for_user(user_id)
+        if not rooms:
+            return "No active chats."
+        lines = [f"  {i+1}. {r.name}" for i, r in enumerate(rooms)]
+        return "\n".join(lines)
+
+    def handle_rename(self, max_chat_id: str, new_name: str) -> str:
+        room = self.store.get_room_by_max_chat_id(max_chat_id)
+        if not room:
+            return "Chat not found."
+        room.name = new_name
+        return f"Chat renamed to: {new_name}"
+
+    def handle_archive(self, max_chat_id: str) -> str:
+        room = self.store.get_room_by_max_chat_id(max_chat_id)
+        if not room:
+            return "Chat not found."
+        self.store.remove_room(max_chat_id)
+        return "Chat archived."
+
+    def handle_clear(self, max_chat_id: str) -> str:
+        room = self.store.get_room_by_max_chat_id(max_chat_id)
+        if not room:
+            return "Chat not found."
+        room.platform_chat_id = str(uuid.uuid4())
+        return "Chat context cleared."
\ No newline at end of file
diff --git a/adapter/max/handlers/help.py b/adapter/max/handlers/help.py
new file mode 100644
index 0000000..24181c2
--- /dev/null
+++ b/adapter/max/handlers/help.py
@@ -0,0 +1,26 @@
+"""Help handler for MAX surface."""
+
+HELP_TEXT = """
+Available commands:
+
+Chat management:
+  !new [name]    — Create a new chat
+  !chats         — List active chats
+  !rename <name> — Rename current chat
+  !archive       — Archive current chat
+  !clear / !reset — Reset chat context
+
+Attachments:
+  !list          — Show attachment queue
+  !remove <n>    — Remove attachment from queue
+  !remove all    — Clear attachment queue
+
+Actions:
+  !yes           — Confirm agent action
+  !no            — Cancel agent action
+  !help          — Show this help
+"""
+
+
+def get_help() -> str:
+    return HELP_TEXT.strip()
\ No newline at end of file
diff --git a/adapter/max/store.py b/adapter/max/store.py
new file mode 100644
index 0000000..d8e6ce6
--- /dev/null
+++ b/adapter/max/store.py
@@ -0,0 +1,48 @@
+"""Chat store for MAX surface."""
+from dataclasses import dataclass, field
+from typing import Dict, Optional
+
+
+@dataclass
+class RoomMeta:
+    platform_chat_id: str
+    max_chat_id: str
+    name: str
+    user_id: str
+    agent_id: str
+
+
+@dataclass
+class ChatStore:
+    rooms: Dict[str, RoomMeta] = field(default_factory=dict)
+    staged_attachments: Dict[str, list] = field(default_factory=dict)
+
+    def get_room_by_max_chat_id(self, max_chat_id: str) -> Optional[RoomMeta]:
+        return self.rooms.get(max_chat_id)
+
+    def get_room_by_platform_chat_id(self, platform_chat_id: str) -> Optional[RoomMeta]:
+        for room in self.rooms.values():
+            if room.platform_chat_id == platform_chat_id:
+                return room
+        return None
+
+    def add_room(self, room: RoomMeta) -> None:
+        self.rooms[room.max_chat_id] = room
+
+    def remove_room(self, max_chat_id: str) -> None:
+        self.rooms.pop(max_chat_id, None)
+        self.staged_attachments.pop(max_chat_id, None)
+
+    def list_rooms_for_user(self, user_id: str) -> list:
+        return [r for r in self.rooms.values() if r.user_id == user_id]
+
+    def stage_attachment(self, max_chat_id: str, attachment: tuple) -> None:
+        if max_chat_id not in self.staged_attachments:
+            self.staged_attachments[max_chat_id] = []
+        self.staged_attachments[max_chat_id].append(attachment)
+
+    def pop_attachments(self, max_chat_id: str) -> list:
+        return self.staged_attachments.pop(max_chat_id, [])
+
+    def get_attachments(self, max_chat_id: str) -> list:
+        return self.staged_attachments.get(max_chat_id, [])
\ No newline at end of file