Denpyo MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 41 installs a week from npm. Last commit 20 Jul 2026.
Japanese invoice/receipt OCR + tax registration-number (T-number) verification, via x402.
We read the source, 19 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.
этот файл ставится пользователю, но в репозитории его нет
const child = spawn(process.execPath, ['index.mjs'], {
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 denpyo-mcp -- npx -y denpyo-mcp
{
"mcpServers": {
"denpyo-mcp": {
"args": [
"-y",
"denpyo-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.denpyo-mcp]
command = "npx"
args = ["-y", "denpyo-mcp"]
{
"mcpServers": {
"denpyo-mcp": {
"args": [
"-y",
"denpyo-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"denpyo-mcp": {
"args": [
"-y",
"denpyo-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
EVM_PRIVATE_KEY (Base wallet private key holding USDC (0x...). Provide this or SVM_PRIVATE_KEY.), SVM_PRIVATE_KEY (Solana wallet private key holding USDC (base58). Provide this or EVM_PRIVATE_KEY.).
The author declared them in the registry entry; get the values from the project itself.
Validates and normalizes Japanese corporate numbers and invoice registration numbers (format only).
Verify Japanese companies, invoice-issuer registrations and addresses against government open data.
Web extraction, OCR (Japanese-strong), invoice and company data for AI agents. x402, no API key.
Japanese document AI for agents — invoice/meishi extraction, OCR, classification (hosted API).
Parse receipts & invoices into structured JSON. Pay per call in USDC (x402 on Base), no API key.
Look up medical devices in China by UDI, product name, registrant, registration number or category.
Signed time and SHA-256 witness receipts for agents, with offline verification and x402 payment.
x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).
Answers built from our own checks of this server.