The Mfgcalcs MCP server,
connected in one click.
5,400+ manufacturing calculators plus live U.S. tariff, PMI, cost-index, wage, and forecast data. Connect the official Mfgcalcs MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Mfgcalcs
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “search_calculators”: Search MFG Calcs' library of 5,000+ manufacturing calculators (machining, molding, welding, OEE, cost estimating, energy, quality, maintenan.”
“Use “get_calculator”: Get a calculator's inputs (labels, units, defaults, min/max) and formula before running it. requiresPositive marks a field whose documented.”
“Use “run_calculator”: Run a manufacturing calculation. Provide inputs by field key or slugified label (see get_calculator); missing inputs use the calculator's do.”
“Use “lookup_tariff”: Look up U.S. manufacturing import tariffs: HTS General/Special fields, informational Chapter 99 references, observed effective calculated-du.”
How secure is the Mfgcalcs MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Mfgcalcs holds up.
Official endpoint
Operated by Mfgcalcs (mfgcalcs.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Mfgcalcs adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Mfgcalcs
Choose Mfgcalcs in the gate directory. No sign-in needed.
Use it anywhere
Mfgcalcs's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Mfgcalcs exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
search_calculators — Search MFG Calcs' library of 5,000+ manufacturing calculators (machining, molding, welding, OEE, cost estimating, energy, quality, maintenan
get_calculator — Get a calculator's inputs (labels, units, defaults, min/max) and formula before running it. requiresPositive marks a field whose documented
run_calculator — Run a manufacturing calculation. Provide inputs by field key or slugified label (see get_calculator); missing inputs use the calculator's do
lookup_tariff — Look up U.S. manufacturing import tariffs: HTS General/Special fields, informational Chapter 99 references, observed effective calculated-du
get_index — Fetch a published MFG Calcs index, board, ledger, forecast, vintage, revision record, seasonal series, or HS-NAICS map. Tariff targets disti
get_provenance — Get the MFG Calcs Provenance Manifest: the verifiable record for every branded index and ledger on the site. For each one it returns a SHA-2
search_site — Search everything on mfgcalcs.com beyond calculators: 64 live economic data series (imports, prices, wages, energy), 57 tariff families, sta
get_whats_new — Get the daily what-changed digest for the newest data day, in one call with links deeper: every agency series that published a new reading,
+ 9 more tools once connected
The Mfgcalcs MCP server at a glance
https://www.mfgcalcs.com/api/mcpQuestions, answered
Is there an official Mfgcalcs MCP server?
Yes — Mfgcalcs operates its own remote MCP server at www.mfgcalcs.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Mfgcalcs to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Mfgcalcs in the directory. No account or sign-in is needed. From then on, Mfgcalcs's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Mfgcalcs runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Mfgcalcs MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Mfgcalcs in minutes. No credit card required.
Connect more than just Mfgcalcs
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Mfgcalcs in: Claude · Claude Code · ChatGPT · Cursor · VS Code