hol-guard
Focus: security, prompt injection and guardrails. Shares ai agents and mcp with Kiln. Adds macOS, Windows and Linux. Rated 4.7 (Kiln: 4.4).
AI ToolFreemacOS, Windows
4.7Visit
AI Tool
Kiln
The open-source MCP server that lets AI agents 3D print.
Rating
4.4 / 5
Pricing
Free
Difficulty
Intermediate
Works on
Cross-Platform
Built with love by Shushant Lakhyani. Building bestproductivityresources.com
What is Kiln?
Kiln is the open-source MCP server for 3D printing: describe it or draw it, and AI agents like Claude, Codex or Cursor design, generate, slice and print it. It supports Bambu Lab, Creality, Prusa, Elegoo, Klipper/Moonraker, OctoPrint, Duet/RepRapFirmware and any Marlin printer.
Third-party open-source projects. We are not affiliated with their authors; repositories are provided as-is by their maintainers. Review each project's license, code and security before installing. See our Disclaimer.
Pros: what Kiln does well
- Turns natural language and sketches into printed objects
- Works with any MCP client and a wide range of printers
- Fully open source
Cons: where it falls short
- Needs your own 3D printer and agent setup to be useful
Who Kiln is for
Makers and developers who want AI agents to design and print real objects.
Who can skip it
Anyone without access to a 3D printer.
Kiln alternatives
Not sold on Kiln? These do a similar job, and each card says what it has in common.
Open Supermarkets
Focus: cli, supermarkets and shopping. Shares mcp and ai agents with Kiln. Adds macOS, Windows and Linux. Same 4.4 rating.
AI ToolFreemacOS, Windows
4.4Visit
Agent LSP
Focus: lsp, language server and coding. Shares mcp and ai agents with Kiln. A framework, not an AI tool. Adds macOS, Windows and Linux. Rated 4.5 (Kiln: 4.4).
FrameworkFreemacOS, Windows
4.5Visit
Sandbase Harness
Focus: self-hosted, runtime and sandbox. Shares ai agents and mcp with Kiln. A framework, not an AI tool. Adds macOS, Windows and Linux. Same 4.4 rating.
FrameworkFreemacOS, Windows
4.4Visit
Agent Sphere
Focus: orchestration and automation. Shares ai agents and mcp with Kiln. A framework, not an AI tool. Adds Web. Rated 4.3 (Kiln: 4.4).
FrameworkFreeWeb, Cross-Platform
4.3Visit
Claude Skills Collection
Focus: claude, skills and cursor. Shares ai agents and open source with Kiln. Adds macOS, Windows and Linux. Rated 4.6 (Kiln: 4.4).
AI ToolFreemacOS, Windows
4.6Visit
Free alternatives to Kiln
Want to spend nothing? These free picks cover similar ground.
Dormice
Focus: agent sandboxes, e2b and self-hosted. Shares ai agents and open source with Kiln. Adds Linux and Web. Rated 4.6 (Kiln: 4.4).
AI ToolFreeLinux, Web
4.6Visit
OpenHarness
Focus: agent harness, coding agents and claude code. Shares open source and hardware with Kiln. Adds Linux. Rated 4.6 (Kiln: 4.4).
AI ToolFreeCross-Platform, Linux
4.6Visit
Builder.io Skills
Focus: skills, claude code and builder.io. Shares ai agents and open source with Kiln. Rated 4.5 (Kiln: 4.4).
AI ToolFreeCross-Platform
4.5Visit
toolport
Focus: gateway, tools and local first. Shares mcp and open source with Kiln. Adds macOS, Windows and Linux. Rated 4.5 (Kiln: 4.4).
AI ToolFreemacOS, Windows
4.5Visit
Agent Skills by PaulRBerg
Focus: agent skills, claude code and coding agents. Shares ai agents and open source with Kiln. Adds Web. Same 4.4 rating.
AI ToolFreeWeb
4.4Visit
Agentlas OS
Focus: orchestration, local-first and developer tools. Shares ai agents and open source with Kiln. Same 4.4 rating.
AI ToolFreeCross-Platform
4.4Visit
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