Bigiron vs Kiln
A side-by-side look at the Bigiron and Kiln MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Bigiron for industrial & iot work as a local process; 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?
Choose Bigiron when
- You need dedicated capabilities in the Industrial & IoT domain.
- You prefer a local stdio subprocess transport.
- You want tools like
bigiron_search, bigiron_sold_search, bigiron_lot_detail.
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 | ||
|---|---|---|
| Category | Industrial & IoT | Industrial & IoT |
| Quality signal | 52/100 · Good | 64/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | 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 | 0 | 92 |
| Directory activity | 0 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | 3 | 5 |
| Full listing | View Bigiron | View Kiln |
Tools & capabilities
Bigiron tools 3
bigiron_searchActive listings for a keyword query: current bid, Buy-It-Now asking price (if offered), make/model/year, seller, location, category, auction close time.bigiron_sold_searchConfirmed-SOLD lots for a keyword query, newest closes first: title, make/model/year, quantity, seller, location, close date, bid count. `final_price` is always `null` — see the price gap below.bigiron_lot_detailFull detail for one lot by URL slug: description, sale status, bid count, make/model/year, seller, location, category and (for active lots) current bid / Buy-It-Now price.
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.
Bigiron
{
"mcpServers": {
"bigiron": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-bigiron"
]
}
}
}
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
Bigiron is categorized under Industrial & IoT and uses a local stdio subprocess. Kiln belongs to Industrial & IoT and uses a local stdio subprocess. Pick Bigiron 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.
Bigiron has no declared pricing — check the project's own site. 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 bigiron and codeofaxel-kiln as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Bigiron has a quality signal of 52/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Kiln has 64/100 (Good) with 4 views, 0 installs and 92 GitHub stars.