Cinema-quality science visualization for AI agents — headless VTK via MCP.
Connect Runs on your machine
claude mcp add viznoir -e VIZNOIR_RENDER_BACKEND=<VIZNOIR_RENDER_BACKEND> -e VIZNOIR_OUTPUT_DIR=<VIZNOIR_OUTPUT_DIR> -- uvx viznoir==0.10.1
{
"mcpServers": {
"viznoir": {
"command": "uvx",
"args": [
"viznoir==0.10.1"
],
"env": {
"VIZNOIR_RENDER_BACKEND": "<VIZNOIR_RENDER_BACKEND>",
"VIZNOIR_OUTPUT_DIR": "<VIZNOIR_OUTPUT_DIR>"
}
}
}
}
{
"mcpServers": {
"viznoir": {
"command": "uvx",
"args": [
"viznoir==0.10.1"
],
"env": {
"VIZNOIR_RENDER_BACKEND": "<VIZNOIR_RENDER_BACKEND>",
"VIZNOIR_OUTPUT_DIR": "<VIZNOIR_OUTPUT_DIR>"
}
}
}
}
{
"servers": {
"viznoir": {
"type": "stdio",
"command": "uvx",
"args": [
"viznoir==0.10.1"
],
"env": {
"VIZNOIR_RENDER_BACKEND": "<VIZNOIR_RENDER_BACKEND>",
"VIZNOIR_OUTPUT_DIR": "<VIZNOIR_OUTPUT_DIR>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
VIZNOIR_RENDER_BACKENDOptional | Rendering backend: gpu, cpu, or auto |
VIZNOIR_OUTPUT_DIROptional | Output directory for rendered images |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 3 Jun 2026 |
| Last updated | 3 Jun 2026 |
| Registry name | io.github.kimimgo/viznoir |
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