diff --git a/ai/slackbot-mcp-client/slack-identity/requirements.txt b/ai/slackbot-mcp-client/slack-identity/requirements.txt
index 95fdecc..9fa0893 100644
--- a/ai/slackbot-mcp-client/slack-identity/requirements.txt
+++ b/ai/slackbot-mcp-client/slack-identity/requirements.txt
@@ -1,5 +1,5 @@
 httpx2==2.9.1
-mcp==1.28.1
+mcp==2.0.0
 mypy==2.3.0
 pytest==9.1.1
 ruff==0.16.0
diff --git a/ai/slackbot-mcp-client/slack-identity/src/app.py b/ai/slackbot-mcp-client/slack-identity/src/app.py
index b2b190b..7f61de6 100644
--- a/ai/slackbot-mcp-client/slack-identity/src/app.py
+++ b/ai/slackbot-mcp-client/slack-identity/src/app.py
@@ -1,8 +1,9 @@
 import contextlib
 import os
+from typing import Any
 
-from mcp.server.fastmcp import Context, FastMCP
-from mcp.server.session import ServerSession
+from mcp.server import MCPServer
+from mcp.server.mcpserver import Context
 from mcp.types import CallToolResult, TextContent, ToolAnnotations
 from slack_bolt import App
 from slack_bolt.adapter.starlette import SlackRequestHandler
@@ -23,21 +24,21 @@
 https://github.com/modelcontextprotocol/python-sdk#quickstart
 """
 
-mcp_server = FastMCP("Profile Card", stateless_http=True, json_response=True)
+mcp_server = MCPServer("Profile Card")
 
 
 @mcp_server.tool(
     name="get_profile_card",
     title="Get Profile Card",
     description="Get a profile card for a Slack user by their user ID.",
-    annotations=ToolAnnotations(readOnlyHint=True),
+    annotations=ToolAnnotations(read_only_hint=True),
 )
 async def get_profile_card(
     user_id: str,
-    ctx: Context[ServerSession, None],
+    ctx: Context,
 ) -> CallToolResult:
-    meta = ctx.request_context.meta
-    slack = (meta.model_extra or {}).get("slack", {}) if meta else {}
+    meta: dict[str, Any] = dict(ctx.request_context.meta or {})
+    slack = meta.get("slack") or {}
 
     if not slack.get("user_id") or not slack.get("team_id"):
         return CallToolResult(
@@ -155,7 +156,7 @@ async def lifespan(a):
         yield
 
 
-mcp_app = mcp_server.streamable_http_app()
+mcp_app = mcp_server.streamable_http_app(stateless_http=True, json_response=True)
 
 
 app = Starlette(