Arcnm vs Kiln
A side-by-side look at the Arcnm and Kiln MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
A
ArcnmIndustrial & IoT · Remote HTTP/SSEManufacturing should-cost from CAD and drawings: cost drivers, process plan, lot sizes.39FairAuth: no auth requiredVerdict: choose Arcnm for industrial & iot work over a hosted endpoint; choose Kiln for industrial & iot as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
AChoose Arcnm when
- You need dedicated capabilities in the Industrial & IoT domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: No auth required.
Choose Kiln when
- You need dedicated capabilities in the Industrial & IoT domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
KILN_PRINTER_HOST, KILN_PRINTER_API_KEY, KILN_PRINTER_TYPE, KILN_OPENROUTER_KEY. - You want tools like
load_filament, unload_filament, plan_only.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | A Arcnm | |
|---|---|---|
| Category | Industrial & IoT | Industrial & IoT |
| Quality signal | 39/100 · Fair | 64/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | No auth required | API key required |
| Pricing | Not declared | Free |
| Required env vars | None listed | KILN_PRINTER_HOSTKILN_PRINTER_API_KEYKILN_PRINTER_TYPEKILN_OPENROUTER_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | — | 92 |
| Directory activity | 0 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | Not listed | 5 |
| Full listing | View Arcnm | View Kiln |
Tools & capabilities
Arcnm tools
No tool names declared yet. Check the project README from the listing page.
Kiln tools 5
load_filamentunload_filamentplan_onlyplate_clearlook_at_plate
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Arcnm
{
"mcpServers": {
"arcnm": {
"url": "https://arcnm.io/docs/mcp"
}
}
}
Kiln
{
"mcpServers": {
"codeofaxel-kiln": {
"command": "uvx",
"args": [
"--from",
"kiln3d",
"kiln"
],
"env": {
"KILN_PRINTER_HOST": "YOUR_KILN_PRINTER_HOST_HERE",
"KILN_PRINTER_API_KEY": "YOUR_KILN_PRINTER_API_KEY_HERE",
"KILN_PRINTER_TYPE": "YOUR_KILN_PRINTER_TYPE_HERE",
"KILN_OPENROUTER_KEY": "YOUR_KILN_OPENROUTER_KEY_HERE"
}
}
}
}
Frequently asked questions
Arcnm is categorized under Industrial & IoT and uses a remote HTTP/SSE transport. Kiln belongs to Industrial & IoT and uses a local stdio subprocess. Pick Arcnm for industrial & iot work and Kiln for industrial & iot.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Arcnm has no declared pricing — check the project's own site. Auth: no auth required. Kiln is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add arcnm and codeofaxel-kiln as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Arcnm has a quality signal of 39/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Kiln has 64/100 (Good) with 4 views, 0 installs and 92 GitHub stars.