# Trimtabist (trimtabist.com)

Recomputes duty on each line of a customs entry against the US tariff schedule for that line's date and origin, flagging mismatches.

- Atlas card: https://inite.ai/en/atlas/trimtabist.com
- Site: https://trimtabist.com
- For: US importers checking whether already-filed customs entries were charged the correct duty
- Use 0/100 · alive 100/100

## Used for

- recheck duty paid on filed customs entries line by line
- compare filed duty against the tariff rate in effect then
- look up the required tariff rate for a code and origin

## Price

Not read yet.

## For developers

- OpenAPI: https://trimtabist.com/openapi.json (6 paths)
- MCP server: com.trimtabist/us-tariff-ledger (namespace; open on 2026-10-25, 13 tools)
- Read 2026-10-25

## MCP server, measured daily

Server: https://trimtabist.com/mcp, checked every day since 2026-10-25 (11 checks).

- Answered: 100% of daily checks
- Median first answer: 282 ms
- Sign-in: none
- Context its tool definitions take: about 4056 tokens (13 tools)
- Tool definitions: A, 94/100
- Failing "params_described": 5 of 13 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-25

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Source: INITE Atlas, https://inite.ai/en/atlas/trimtabist.com. JSON: https://inite.ai/api/atlas/trimtabist.com. MCP: https://inite.ai/api/mcp (atlas_lookup).