Popbill (세금계산서·알림톡) runs on your own machine — the client starts it, so there is no endpoint to ping. 219 installs a week from npm. Last commit 24 Oct 2026.
Popbill MCP: Korean e-tax invoices (issue/cancel/search, Hometax sync) + KakaoTalk 알림톡. 팝빌 MCP.
Nothing serious here today
Today is the operative word: we check Popbill (세금계산서·알림톡) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-popbill -e 'POPBILL_LINK_ID=<POPBILL_LINK_ID>' -e 'POPBILL_SECRET_KEY=<POPBILL_SECRET_KEY>' -e 'POPBILL_CORP_NUM=<POPBILL_CORP_NUM>' -- npx -y @appmonster/mcp-popbill{
"mcpServers": {
"mcp-popbill": {
"command": "npx",
"args": [
"-y",
"@appmonster/mcp-popbill"
],
"env": {
"POPBILL_CORP_NUM": "<POPBILL_CORP_NUM>",
"POPBILL_LINK_ID": "<POPBILL_LINK_ID>",
"POPBILL_SECRET_KEY": "<POPBILL_SECRET_KEY>"
}
}
}
}[mcp_servers.mcp-popbill]
command = "npx"
args = ["-y", "@appmonster/mcp-popbill"]
env = { POPBILL_LINK_ID = "<POPBILL_LINK_ID>", POPBILL_SECRET_KEY = "<POPBILL_SECRET_KEY>", POPBILL_CORP_NUM = "<POPBILL_CORP_NUM>" }{
"mcpServers": {
"mcp-popbill": {
"command": "npx",
"args": [
"-y",
"@appmonster/mcp-popbill"
],
"env": {
"POPBILL_CORP_NUM": "<POPBILL_CORP_NUM>",
"POPBILL_LINK_ID": "<POPBILL_LINK_ID>",
"POPBILL_SECRET_KEY": "<POPBILL_SECRET_KEY>"
}
}
}
}{
"servers": {
"mcp-popbill": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@appmonster/mcp-popbill"
],
"env": {
"POPBILL_CORP_NUM": "<POPBILL_CORP_NUM>",
"POPBILL_LINK_ID": "<POPBILL_LINK_ID>",
"POPBILL_SECRET_KEY": "<POPBILL_SECRET_KEY>"
}
}
}
}Put your own values in place of
<POPBILL_LINK_ID> (Popbill API link id (developers.popbill.com)), <POPBILL_SECRET_KEY> (Popbill API secret key), <POPBILL_CORP_NUM> (Member business number (10 digits)).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
POPBILL_USER_ID (Popbill member user id), POPBILL_TEST (true = test server (default true)), OKAGENT_API_KEY (OK Agent key (free at okagent.kr) — writes then wait for your OK on KakaoTalk. Unset: writes ask for confirmation in the chat first), KMCP_WRITE_MODE (approval | confirm | direct (default: approval if OKAGENT_API_KEY is set, else confirm)).
Alternatives to Popbill (세금계산서·알림톡)
same job, measured the same wayKorean national tax and social insurance filings, invoices and payroll data as MCP tools.
Read SmartBill series, taxes, stock, clients and products; draft and issue invoices and estimates.
Search clients, appointments, intakes, notes and invoices in IntakeQ, and book or cancel visits.
Read Oblio clients, products and documents; create proformas, issue, collect and cancel invoices.
Read Számlázz.hu invoices, PDFs, receipts, taxpayers; issue, reverse and pay invoices and receipts.
MCP server for Syncro MSP — customers, tickets, assets, invoices, and more.
MCP server for Syncro MSP — customers, tickets, assets, invoices, and more.
Issue a credit memo against an invoice or standalone, with per-line tax and totals.
Popbill (세금계산서·알림톡) — questions
Answers built from our own checks of this server.