Kiln
Kiln MCP server for agents: design, slice, print, monitor, and recover physical objects safely.
Install
registry version 1.5.0
Python
uvx kiln3dPython
uvx kiln3d@1.5.0
Setup by client
Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.
claude_desktop_config.json
{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d@1.5.0"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}Format verified against the official Claude Desktop docs ↗.
terminal
claude mcp add --env KILN_PRINTER_API_KEY=<YOUR_KILN_PRINTER_API_KEY> kiln-2 -- uvx kiln3d
claude mcp add --env KILN_PRINTER_API_KEY=<YOUR_KILN_PRINTER_API_KEY> kiln-2 -- uvx kiln3d@1.5.0
Format verified against the official Claude Code docs ↗.
.cursor/mcp.json
{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d@1.5.0"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}Format verified against the official Cursor docs ↗.
.vscode/mcp.json
{
"servers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}{
"servers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d@1.5.0"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}Format verified against the official VS Code docs ↗.
mcp_config.json
{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}{
"mcpServers": {
"kiln-2": {
"command": "uvx",
"args": [
"kiln3d@1.5.0"
],
"env": {
"KILN_PRINTER_API_KEY": "<YOUR_KILN_PRINTER_API_KEY>"
}
}
}
}Format verified against the official Windsurf docs ↗.
Environment variables
Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.
KILN_PRINTER_HOST— URL of your 3D printer (OctoPrint, Moonraker, Creality, or Prusa Link)KILN_PRINTER_API_KEYsecret — API key for your printer's REST APIKILN_PRINTER_TYPE— Printer type: octoprint, moonraker, creality, bambu, prusalink, elegoo, or serial
About this server
Distributed as Python, listed under Developer Tools. Review our MCP security guide before granting access to real data.
Frequently asked questions
How do I install Kiln?
Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.
Is Kiln free to use?
The MCP server itself is free to install. The source is public on https://github.com/codeofaxel/Kiln. Any third-party service it calls may require its own API key and account.
Which clients support Kiln?
Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.
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