Tariff Monitor
Look up US import tariffs by product, calculate stacked rates, and compare costs across origin countries.
Connects to the US International Trade Commission's Harmonized Tariff Schedule. Helps importers find HTS codes by product name, calculate total tariff rates including base MFN, Section 301 China tariffs, Section 232 steel/aluminum tariffs, and forced-labor tariffs, and compare duty costs across origin countries for sourcing decisions.
Try asking Muse: "What's the total US tariff on wireless earbuds from China versus Vietnam, and how much will it cost me annually?"
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Source: Found in the official MCP Registry (io.github.daleweaver1981/tariffmonitor-mcp) · First listed October 30, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://adcreator-ai.com/mcp-freeNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Tariff Monitor is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://adcreator-ai.com/mcp-freeWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 552ms. Worked in n/a of checks over 30 days.
Screening · October 30, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 3
lookup_hts_codeFind the US HTS (Harmonized Tariff Schedule) code for a product, by plain-language product name or numeric prefix, from the official USITC schedule (19,856 10-digit codes). Use this first whenever you have a product name rather than a code (e.g. "laptop", "wireless earbuds", "toycalculate_tariffCalculate the full stacked US import tariff rate for an HTS code from a specific origin country. Returns: base rate, each additional layer (China Section 301 matched by HTS line to Lists 1, 2, 3, 4A and the 2024 four-year-review increases, Section 232, and the 2026 Section 301 focompare_originsCompare the estimated US import tariff for ONE HTS code across several origin countries side by side (e.g. China vs Vietnam vs Mexico vs India), for sourcing and "China plus one" decisions. For each origin returns the total current rate, the layers that make it up (MFN base, SectLink
https://adcreator-ai.com/mcp-freeQuestions about Tariff Monitor in Muse
How do I connect Tariff Monitor to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Tariff Monitor to help me. It is a free service with an MCP server at https://adcreator-ai.com/mcp-free. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Tariff Monitor working right now?
At the last check (October 30, 2026, 00:21 UTC) the endpoint was working, answering in 552ms. It is checked every 15 minutes.
Is Tariff Monitor safe to connect to Muse?
It was screened on October 30, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Tariff Monitor do in Muse?
It exposes 3 tools, including lookup_hts_code, calculate_tariff, compare_origins. For example, you could ask Muse: "What's the total US tariff on wireless earbuds from China versus Vietnam, and how much will it cost me annually?"
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This listing was added from public sources (Found in the official MCP Registry (io.github.daleweaver1981/tariffmonitor-mcp)). If you build Tariff Monitor, claim it to correct the details and get your badge.
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