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io.github.neo4j-contrib/mcp-neo4j-data-modeling

A simple Neo4j MCP server for creating graph data models.

io.github.neo4j-contrib/mcp-neo4j-data-modeling · Repository · version 1.0.0 · 979 stars · listed from registry

Install

The sweep installs into a clean prefix, but this is the command a user would run:

uvx mcp-neo4j-data-modeling

Results by platform

Linux

MCP handshake failed2026-08-16 · probed over pypi

1 recorded run, oldest first.

handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Downloading beartype (1.3MiB)
 Downloaded beartype
Installed 71 packages in 59ms
Traceback (most recent call last):
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/bin/mcp-neo4j-data-modeling", line 12, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/lib/python3.12/site-packages/mcp_neo4j_data_modeling/__init__.py", line 38, in main
    asyncio.run(server.main(**config))
  File "/usr/lib/python3.12/asyncio/runners.py", line 194, in run
    return runner.run(main)
           ^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/asyncio/base_events.py", line 687, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/lib/python3.12/site-packages/mcp_neo4j_data_modeling/server.py", line 446, in main
    mcp = create_mcp_server(namespace=namespace)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/lib/python3.12/site-packages/mcp_neo4j_data_modeling/server.py", line 36, in create_mcp_server
    mcp: FastMCP = FastMCP(
                   ^^^^^^^^
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/lib/python3.12/site-packages/fastmcp/server/server.py", line 348, in __init__
    _check_removed_kwargs(kwargs)
  File "/home/runner/.cache/uv/archive-v0/otNYP6TPDjtYtd6E/lib/python3.12/site-packages/fastmcp/server/server.py", line 172, in _check_removed_kwargs
    raise TypeError(
TypeError: FastMCP() no longer accepts `stateless_http`. Pass `stateless_http` to `run_http_async()` or `http_app()`, or set FASTMCP_STATELESS_HTTP.

macOS

MCP handshake failed2026-08-16 · probed over pypi

1 recorded run, oldest first.

handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Downloading beartype (1.3MiB)
 Downloaded beartype
Installed 69 packages in 264ms
Traceback (most recent call last):
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/bin/mcp-neo4j-data-modeling", line 12, in <module>
    sys.exit(main())
             ~~~~^^
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/lib/python3.14/site-packages/mcp_neo4j_data_modeling/__init__.py", line 38, in main
    asyncio.run(server.main(**config))
    ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.14.6/Frameworks/Python.framework/Versions/3.14/lib/python3.14/asyncio/runners.py", line 205, in run
    return runner.run(main)
           ~~~~~~~~~~^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.14.6/Frameworks/Python.framework/Versions/3.14/lib/python3.14/asyncio/runners.py", line 128, in run
    return self._loop.run_until_complete(task)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/opt/homebrew/Cellar/[email protected]/3.14.6/Frameworks/Python.framework/Versions/3.14/lib/python3.14/asyncio/base_events.py", line 719, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/lib/python3.14/site-packages/mcp_neo4j_data_modeling/server.py", line 446, in main
    mcp = create_mcp_server(namespace=namespace)
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/lib/python3.14/site-packages/mcp_neo4j_data_modeling/server.py", line 36, in create_mcp_server
    mcp: FastMCP = FastMCP(
                   ~~~~~~~^
        "mcp-neo4j-data-modeling", dependencies=["pydantic"], stateless_http=True
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/lib/python3.14/site-packages/fastmcp/server/server.py", line 348, in __init__
    _check_removed_kwargs(kwargs)
    ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  File "/Users/runner/.cache/uv/archive-v0/8YOlD4rqoWiciQW4/lib/python3.14/site-packages/fastmcp/server/server.py", line 172, in _check_removed_kwargs
    raise TypeError(
        f"FastMCP() no longer accepts `{key}`. {_REMOVED_KWARGS[key]}"
    )
TypeError: FastMCP() no longer accepts `stateless_http`. Pass `stateless_http` to `run_http_async()` or `http_app()`, or set FASTMCP_STATELESS_HTTP.

Windows

MCP handshake failed2026-08-16 · probed over pypi

1 recorded run, oldest first.

handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Downloading beartype (1.3MiB)
 Downloaded beartype
Installed 72 packages in 18.79s
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Scripts\mcp-neo4j-data-modeling.exe\__main__.py", line 10, in <module>
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Lib\site-packages\mcp_neo4j_data_modeling\__init__.py", line 38, in main
    asyncio.run(server.main(**config))
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\asyncio\runners.py", line 195, in run
    return runner.run(main)
           ^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\asyncio\runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\asyncio\base_events.py", line 691, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Lib\site-packages\mcp_neo4j_data_modeling\server.py", line 446, in main
    mcp = create_mcp_server(namespace=namespace)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Lib\site-packages\mcp_neo4j_data_modeling\server.py", line 36, in create_mcp_server
    mcp: FastMCP = FastMCP(
                   ^^^^^^^^
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Lib\site-packages\fastmcp\server\server.py", line 348, in __init__
    _check_removed_kwargs(kwargs)
  File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\49lY9b8oqbxLLwtD\Lib\site-packages\fastmcp\server\server.py", line 172, in _check_removed_kwargs
    raise TypeError(
TypeError: FastMCP() no longer accepts `stateless_http`. Pass `stateless_http` to `run_http_async()` or `http_app()`, or set FASTMCP_STATELESS_HTTP.

Badge

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