Korean market data for agents: kimchi premium on a tradeable USDT basis, premium history and percentiles, Korean news translated to English. Pay-per-call in USDC via x402 — no account or API key.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add k-data --env K_DATA_PRIVATE_KEY='<K_DATA_PRIVATE_KEY>' -- npx -y k-data-mcp~/.codex/config.toml
[mcp_servers.k-data]
command = "npx"
args = ["-y", "k-data-mcp"]
env = { K_DATA_PRIVATE_KEY = "<K_DATA_PRIVATE_KEY>" }
# codex mcp add k-data --env K_DATA_PRIVATE_KEY='<K_DATA_PRIVATE_KEY>' -- npx -y k-data-mcp~/.cursor/mcp.json
{
"mcpServers": {
"k-data": {
"command": "npx",
"args": [
"-y",
"k-data-mcp"
],
"env": {
"K_DATA_PRIVATE_KEY": "<K_DATA_PRIVATE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"k-data": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"k-data-mcp"
],
"env": {
"K_DATA_PRIVATE_KEY": "<K_DATA_PRIVATE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"k-data": {
"command": "npx",
"args": [
"-y",
"k-data-mcp"
],
"env": {
"K_DATA_PRIVATE_KEY": "<K_DATA_PRIVATE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"k-data": {
"command": "npx",
"args": [
"-y",
"k-data-mcp"
],
"env": {
"K_DATA_PRIVATE_KEY": "<K_DATA_PRIVATE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"k-data": {
"command": "npx",
"args": [
"-y",
"k-data-mcp"
],
"env": {
"K_DATA_PRIVATE_KEY": "<K_DATA_PRIVATE_KEY>"
}
}
}
}Remote
claude mcp add --transport http k-data https://k-data-x402-production.theblack1022.workers.dev/mcp~/.codex/config.toml
[mcp_servers.k-data]
url = "https://k-data-x402-production.theblack1022.workers.dev/mcp"
# codex mcp add k-data --url https://k-data-x402-production.theblack1022.workers.dev/mcp~/.cursor/mcp.json
{
"mcpServers": {
"k-data": {
"url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"k-data": {
"type": "http",
"url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"k-data": {
"httpUrl": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"k-data": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://k-data-x402-production.theblack1022.workers.dev/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"k-data": {
"url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
}
}
}Environment variables
K_DATA_PRIVATE_KEY
Replace the placeholders with your own credentials and keep them out of version control.