# un-comtrade-mcp-server MCP Server

UN Comtrade international trade statistics via MCP. Country/HS lookups, flows, balances, rankings.

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled un-comtrade-mcp-server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `@cyanheads/un-comtrade-mcp-server` on npm. Runs locally.

## Known issues

**12 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 9.

### Most discussed

### bug(comtrade_get_services_trade): cmdDesc enrichment uses HS lookup instead of EBOPS lookup

### Server version

0.1.2

### mcp-ts-core version

^0.9.9

### Runtime

Node.js

### Runtime version

Node 24.x

### Transport

HTTP (Streamable HTTP)

### Description

`comtrade_get_services_trade` returns wrong `cmdDesc` values for service categories. The description enrichment fallback in `ComtradeDataService.fetchTradeData` always calls `ref.getHsCode(row.cmdCode)` regardless of trade type. EBOPS service category codes (e.g. `"10"`, `"3"`, `"1"`) collide with HS chapter codes. When the Comt

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/6) · 2026-05-26 · closed · 2 comments

### bug(comtrade_get_top_partners): same partner appears multiple times in results

### Server version

0.1.2

### mcp-ts-core version

^0.9.9

### Runtime

Node.js

### Runtime version

Node 24.x

### Transport

HTTP (Streamable HTTP)

### Description

`comtrade_get_top_partners` returns duplicate entries for the same partner country. Same root cause as #4: when querying without `partnerCode`, the API returns one row per distinct `(partnerCode, motCode, customsCode, partner2Code)` combination. For Germany 2022, Poland (`partnerCode=616`) appears at rank 2 as `motCode=0, custom

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/5) · 2026-05-26 · closed · 2 comments

### bug(comtrade_get_trade_balance): balance values inflated due to multi-HS-edition summation

### Server version

0.1.2

### mcp-ts-core version

^0.9.9

### Runtime

Node.js

### Runtime version

Node 24.x

### Transport

HTTP (Streamable HTTP)

### Description

`comtrade_get_trade_balance` produces grossly inflated trade values — approximately 8–9x the real figure for tested countries. Root cause: the Comtrade preview API returns one row per distinct `(motCode, customsCode, partner2Code)` combination for each reporter/flow/period/cmdCode. For example, Germany 2022 exports with `partner

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/4) · 2026-05-26 · closed · 2 comments

### bug(setup): reference data load log silently dropped — logger not initialized during setup()

### Server version

0.1.0

### mcp-ts-core version

0.9.9

### Runtime

Node.js

### Runtime version

Node 25.9.0

### Transport

HTTP

### OS

macOS 25.1.0

### Description

The `setup()` callback in `src/index.ts` calls `core.logger.info('Comtrade reference data loaded...')` to confirm that reference data was loaded at startup. This log message is silently dropped and never appears in the server output.

Root cause: the mcp-ts-core framework initializes the logger (via `logger.initialize()`) *

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/3) · 2026-05-26 · closed · 2 comments

### bug(comtrade_get_top_commodities): aggrLevel filter passes all records when API returns null for aggrLevel field

### Server version

0.1.0

### mcp-ts-core version

0.9.9

### Runtime

Node.js

### Runtime version

Node 25.9.0

### Transport

HTTP

### OS

macOS 25.1.0

### Description

`comtrade_get_top_commodities` returns 6-digit HS codes when called with `aggr_level: 2` (chapters). The Comtrade preview endpoint returns records with `aggrLevel: null` regardless of the `aggrLevel` query parameter — the API accepts the param but doesn't filter rows by it. The handler filter at line 143 is:

```ts
const ro

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/2) · 2026-05-26 · closed · 2 comments

### Most recent

### bug(comtrade_get_services_trade): 200 responses without a data field are silently normalized to empty results

### Server version

0.1.5

### mcp-ts-core version

0.12.3

### Runtime

Bun 1.4.0

### Transport

stdio

### Description

`comtrade-data-service.ts:92` normalizes every upstream response with `raw.data ?? []`. Any HTTP 200 body that lacks a `data` field — including API rate-limit/quota envelopes, which the Comtrade preview endpoint returns with a 200 in some paths — is silently converted to "0 records". A transient rate-limit response is therefore indistinguishable from genuine empty coverage, 

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/10) · 2026-08-21 · open · 0 comments

### bug(comtrade-data-service): free-tier truncation flag can never fire — preview endpoint caps totalCount alongside rows

### Server version

0.1.5

### mcp-ts-core version

0.12.3

### Runtime

Bun 1.4.0

### Transport

stdio

### Description

The tools' `truncated` output field is documented as "True when results were capped at 500" (free-tier preview cap), but the condition computing it can never be true on the free tier, because the preview endpoint caps its `count` field at 500 alongside the rows. The disclosure is dead exactly when data is actually cut.

### Steps to reproduce

1. Keyless, call `comtrade_get_

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/9) · 2026-08-21 · open · 0 comments

### bug(comtrade_get_top_commodities): chapter-level rankings return wrong values — duplicate chapters, totals far below reporter total

### Server version

0.1.5

### mcp-ts-core version

0.12.3

### Runtime

Bun 1.4.0

### Transport

stdio

### Description

`comtrade_get_top_commodities` at chapter level (`aggr_level: 2`) returns impossible rankings and totals that are a small fraction of the reporter's real trade. Chapter `97` appears twice in a single top-5 ranking, and the summed total is ~3% of what the sibling tools report for the identical reporter/period/flow.

### Steps to reproduce

1. Call `comtrade_get_top_commoditie

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/8) · 2026-08-21 · open · 0 comments

### feat(comtrade_get_trade_flows): add SITC classification support

### Use case

The `classification` parameter on `comtrade_get_trade_flows` and `comtrade_get_trade_balance` is restricted to HS variants only (`HS | H0 | H1 | H2 | H3 | H4 | H5 | H6`). The [UN Comtrade API](https://comtradeplus.un.org/) also publishes commodity data under the Standard International Trade Classification (SITC) revisions 1–4 (`S1`–`S4`, plus the combined `SS`), but passing any of these codes is blocked at the Zod layer before the request is sent. Trade research workflows that rely

[Read the thread](https://github.com/cyanheads/un-comtrade-mcp-server/issues/7) · 2026-06-03 · open · 0 comments

[See all 12 reports Pod holds for un-comtrade-mcp-server](/mcp/un-comtrade-mcp-server/issues).

## Firsthand observations

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