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fix(serve): cap the mcp extra below 2.0; AnyUrl fallback for the 2.x SDK

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mcp 2.0 removed the low-level decorator API (Server.list_tools/call_tool/
list_resources/read_resource) that serve.py is built on, so an install
that resolved the unpinned extra to 2.0.0 crashed at server startup
(first at `from mcp.types import AnyUrl`, then at @server.list_tools()).
Pin mcp>=1,<2 in the `mcp` and `all` extras; import AnyUrl with a
pydantic fallback so that piece is already 2.x-ready. Verified with a
full stdio handshake (initialize / tools/list / tools/call) against the
installed graphify-mcp with mcp 1.29.0. Porting to the 2.x API is a
separate work item.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Nicola Avancini
2026-07-30 17:13:48 +01:00
committed by safishamsi
co-authored by Claude Fable 5
parent ecfcd160d5
commit 50008cdf36
1 changed files with 6 additions and 1 deletions
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graphify/serve.py
+6 -1
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@@ -1190,9 +1190,14 @@ def _build_server(graph_path: str):
try:
from mcp.server import Server
from mcp import types
from mcp.types import AnyUrl
except ImportError as e:
raise ImportError('mcp not installed. Run: pip install "graphifyy[mcp]"') from e
try:
from mcp.types import AnyUrl
except ImportError:
# mcp >= 2.0 dropped the AnyUrl re-export; it was always pydantic's
# AnyUrl (pydantic is an mcp dependency, so this import cannot miss).
from pydantic import AnyUrl
from graphify import paths as _paths