korea-data-mcp Resolves Korean Company Identity Traps: 13,530 Firms Share 5,573 Names
youngtipted · reddit · 2026-11-14
A developer released korea-data-mcp (v0.1.10), an MCP server bridging Korean public data — DART filings, FSC registry, National Tax Service, Bank of Korea stats and KRX prices — that handles the traps in official APIs. The new entityresolvecompany tool takes a company name or any identifier (DART code, registration number, stock code, ISIN) and returns all identifiers, former names, listing status and active status.
Documented traps include:
- Names aren't unique: 13,530 DART companies share 5,573 names; two "(주)카카오" entities file under the same name, one closed in 2014
- Delisted companies keep stock codes: 4,013 DART companies hold codes vs 2,876 KRX-listed; Samsung C&T's merged-away 2015 entity still holds 000830
- Preferred shares and new listings missing: Samsung Electronics preferred (005935) returns "no such company"
- Stale names linger: searching "Daewoo Shipbuilding" returns 2023 records, not Hanwha Ocean
101 traps, each tested against real responses. Single Go binary, one-click Claude Desktop install (.mcpb), local, no telemetry, Apache 2.0.
Related event: Korean Developer Open-Sources MCP Server for Korean Public Data(2 posts)→
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