tariff.watch is listed as active in the registry but did not answer our last check. It exposes 3 tools.
Source-linked US tariff and trade-action changes: legal status, effective dates, dated archive.
What changed 6
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 August 2026. No other catalogue keeps this.
tariff.watch does not always answer
Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.
claude mcp add tariff-watch --transport http https://tariff.watch/mcp{
"mcpServers": {
"tariff-watch": {
"url": "https://tariff.watch/mcp"
}
}
}[mcp_servers.tariff-watch]
url = "https://tariff.watch/mcp"{
"mcpServers": {
"tariff-watch": {
"url": "https://tariff.watch/mcp"
}
}
}{
"mcpServers": {
"tariff-watch": {
"url": "https://tariff.watch/mcp"
}
}
}Available tools 3
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
tariffs_effective_dates
tariffs_get_source
tariffs_list_changes
Tools removed
Tools this server used to expose. Anything built against them stopped working on the day they went.
exec
run_code
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://tariff.watch/mcp | streamable-http | answering | 36 ms | 7 min ago |
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tariff.watch — questions
Answers built from our own checks of this server.