un-comtrade-mcp-server MCP Server
UN Comtrade international trade statistics via MCP. Country/HS lookups, flows, balances, rankings.
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Status
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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 · 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 · 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 · 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 · 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:
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).
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