Split protocol types into a standalone mcp-types package (#2973)

.github/actions/conformance/client.py

@@ -36,9 +36,10 @@ from typing import Any, cast
 from urllib.parse import parse_qs, urlparse
 
 import httpx
+import mcp_types as types
+from mcp_types.version import MODERN_PROTOCOL_VERSIONS
 from pydantic import AnyUrl
 
-from mcp import types
 from mcp.client.auth import OAuthClientProvider, TokenStorage
 from mcp.client.auth.extensions.client_credentials import (
     ClientCredentialsOAuthProvider,
@@ -49,7 +50,6 @@ from mcp.client.client import Client
 from mcp.client.context import ClientRequestContext
 from mcp.client.streamable_http import streamable_http_client
 from mcp.shared.auth import AuthorizationCodeResult, OAuthClientInformationFull, OAuthClientMetadata, OAuthToken
-from mcp.shared.version import MODERN_PROTOCOL_VERSIONS
 
 # Set up logging to stderr (stdout is for conformance test output)
 logging.basicConfig(

.github/workflows/publish-pypi.yml

@@ -27,7 +27,9 @@ jobs:
         run: uv python install 3.12
 
       - name: Build
-        run: uv build
+        run: |
+          uv build --package mcp
+          uv build --package mcp-types
 
       - name: Upload artifacts
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1