Localecheck runs on your own machine — the client starts it, so there is no endpoint to ping. 32 installs a week from npm. Last commit 22 Jun 2026.
Verified locale data for AI agents: dates, phone, currency, tax, holidays, addresses (UK/US)
We read the source, 20 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
with open(os.path.join(_DATA, name), encoding="utf-8") as f:
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
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 localecheck -- npx -y localecheck
{
"mcpServers": {
"localecheck": {
"args": [
"-y",
"localecheck"
],
"command": "npx"
}
}
}
[mcp_servers.localecheck]
command = "npx"
args = ["-y", "localecheck"]
{
"mcpServers": {
"localecheck": {
"args": [
"-y",
"localecheck"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"localecheck": {
"args": [
"-y",
"localecheck"
],
"command": "npx"
}
}
}
Verified business-day math for AI agents: holidays + per-country weekends, not guesses.
Verified UK company lookup & validation for AI agents — Companies House data, snapshot or live.
Owner-verified local business data for AI agents: profiles, hours, prices, with provenance.
Utility data for AI agents: IBAN, EU holidays, VAT rates, time zones, ECB FX. Pay per call.
Latin American data for AI agents: tax-ID validation, indicators, FX, company lookups, holidays
England flood-risk by postcode for AI agents — verified Environment Agency data, not guesses.
Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.
Mobile money fees, African tax rates, currency conversion and Uganda PAYE for AI agents.
Answers built from our own checks of this server.