ParaView MCP Server

This package is the external FastMCP server that talks to the ParaView MCP plugin over TCP.

It expects the ParaView-side C++ plugin to be loaded and listening first.

Requirements

Python >=3.13
fastmcp>=3.4.7,<4

Install

Run without installing (recommended):

uvx paraview-mcp-server

Or install the command from PyPI:

uv tool install paraview-mcp-server

For development, install in editable mode from the repository:

cd Wrapping/Python/MCPServer
uv sync

Optional Environment Configuration

PARAVIEW_HOST defaults to 127.0.0.1; set it for remote connections
PARAVIEW_PORT defaults to 9877
PARAVIEW_AUTH_TOKEN is required for non-loopback targets

Bridge Protocol

The server speaks protocol version 2 to the ParaView plugin and sends:

hello
ping
execute_python
inspect_pipeline
capture_screenshot

The public MCP tools remain:

execute_paraview_code
get_pipeline_info
get_screenshot

Run

paraview-mcp-server

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