Korean company data in English — CLI, MCP server and REST API. Identity, registration status and payroll-based employment for 152,367 companies.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add korea-company-data --env KCID_API_KEY='<KCID_API_KEY>' -- npx -y korea-data-mcp~/.codex/config.toml
[mcp_servers.korea-company-data]
command = "npx"
args = ["-y", "korea-data-mcp"]
env = { KCID_API_KEY = "<KCID_API_KEY>" }
# codex mcp add korea-company-data --env KCID_API_KEY='<KCID_API_KEY>' -- npx -y korea-data-mcp~/.cursor/mcp.json
{
"mcpServers": {
"korea-company-data": {
"command": "npx",
"args": [
"-y",
"korea-data-mcp"
],
"env": {
"KCID_API_KEY": "<KCID_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"korea-company-data": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"korea-data-mcp"
],
"env": {
"KCID_API_KEY": "<KCID_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"korea-company-data": {
"command": "npx",
"args": [
"-y",
"korea-data-mcp"
],
"env": {
"KCID_API_KEY": "<KCID_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"korea-company-data": {
"command": "npx",
"args": [
"-y",
"korea-data-mcp"
],
"env": {
"KCID_API_KEY": "<KCID_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"korea-company-data": {
"command": "npx",
"args": [
"-y",
"korea-data-mcp"
],
"env": {
"KCID_API_KEY": "<KCID_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http korea-company-data https://notonlystock.com/korea/mcp~/.codex/config.toml
[mcp_servers.korea-company-data]
url = "https://notonlystock.com/korea/mcp"
# codex mcp add korea-company-data --url https://notonlystock.com/korea/mcp~/.cursor/mcp.json
{
"mcpServers": {
"korea-company-data": {
"url": "https://notonlystock.com/korea/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"korea-company-data": {
"type": "http",
"url": "https://notonlystock.com/korea/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"korea-company-data": {
"httpUrl": "https://notonlystock.com/korea/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"korea-company-data": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://notonlystock.com/korea/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"korea-company-data": {
"url": "https://notonlystock.com/korea/mcp"
}
}
}Environment variables
KCID_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.