Skip to content
InfratoApp
InfratoApp / Resources / MCP servers / Kiln

Kiln

Kiln is an MCP server, listed under mcp tooling. It reaches kiln. It needs KILN_AUTH_KEY, KILN_MCP_AUTH_TOKEN, KILN_OPENROUTER_KEY and KILN_PRINTER_API_KEY to authenticate. Its repository has 213 GitHub stars and is licensed under AGPL-3.0; we last read it on 2026-10-23.

Describe it or draw it — Kiln makes it real. The open-source MCP server for 3D printing: AI agents (Claude, Codex, Cursor, or any MCP client) design, generate, slice & print on Bambu Lab, Creality, Prusa, Elegoo, Klipper/Moonraker, OctoPrint, Duet/RepRapFirmware & any Marlin printer.

Install

Read from Kiln’s own README, close to verbatim -- not written by us, and not guessed.

pip install kiln3d

What it reaches, and what it needs

Reaches
kiln
Credential
KILN_AUTH_KEY, KILN_MCP_AUTH_TOKEN, KILN_OPENROUTER_KEY, KILN_PRINTER_API_KEY

What it connects to

Supported in
Cursor

Unverified means a mention in the server’s own description, not a citation. A wrong claim here costs nothing to correct and nothing to trust yet.

Maintenance

Stars
213
State
listed
Licence
AGPL-3.0
From the repository

Describe it or draw it — Kiln makes it real. The open-source MCP server for 3D printing: AI agents (ChatGPT, Claude, Codex, Cursor, Gemini, Grok, or any MCP client) design, generate, slice & print on Bambu Lab, Creality, Prusa, Elegoo, Klipper/Moonraker, OctoPrint, Duet/RepRapFirmware & any Marlin printer.

Kiln compared with similar servers

Kiln compared with the closest alternatives, by services reached, credentials, stars, last update and licence
ServerReachesNeedsStarsLast updateLicence
Kiln (this page)kilnKILN_AUTH_KEY, KILN_MCP_AUTH_TOKEN, KILN_OPENROUTER_KEY, KILN_PRINTER_API_KEY2132026-10-23AGPL-3.0
tradingview-mcpmarketauxMARKETAUX_API_TOKEN5,0992026-10-21MIT
mcphub—ADMIN_PASSWORD2,5802026-10-24Apache-2.0
mcp-remote—AUTH_TOKEN, MCP_CLIENT_SECRET, MCP_REMOTE_CLIENT_SECRET1,6522026-10-20MIT
mcp-searxng—None listed1,3222026-10-20MIT
tuui—None listed1,1592026-05-14Apache-2.0

Ranked by services in common with Kiln, then by stars. Figures are from each repository when we last read it.

Common questions about Kiln

What does Kiln do?
Describe it or draw it — Kiln makes it real. The open-source MCP server for 3D printing: AI agents (Claude, Codex, Cursor, or any MCP client) design, generate, slice & print on Bambu Lab, Creality, Prusa, Elegoo, Klipper/Moonraker, OctoPrint, Duet/RepRapFirmware & any Marlin printer.
How do I install Kiln?
Its own README gives this command: pip install kiln3d. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
What does Kiln connect to, and what does it need?
It reaches kiln. The credentials we found in its source are KILN_AUTH_KEY, KILN_MCP_AUTH_TOKEN, KILN_OPENROUTER_KEY and KILN_PRINTER_API_KEY.
Which AI clients can use Kiln?
Its own description mentions Cursor. That is a mention in its description, not a test we ran.
Is Kiln official and is it maintained?
We found nothing naming it as a vendor’s official server. Its repository has 213 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-23.
What licence does Kiln use?
The repository declares the AGPL-3.0 licence.

More MCP servers for mcp tooling

All mcp tooling entries →

Learn this on Infrato