Ha Tang docs and API for agents: email, VietQR payments, e-invoices, support inbox (Vietnam).
Connect Runs on your machine
claude mcp add mcp -e HATANG_API_KEY=<HATANG_API_KEY> -e HATANG_ENVIRONMENT=<HATANG_ENVIRONMENT> -- npx -y @hatang/[email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@hatang/[email protected]"
],
"env": {
"HATANG_API_KEY": "<HATANG_API_KEY>",
"HATANG_ENVIRONMENT": "<HATANG_ENVIRONMENT>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@hatang/[email protected]"
],
"env": {
"HATANG_API_KEY": "<HATANG_API_KEY>",
"HATANG_ENVIRONMENT": "<HATANG_ENVIRONMENT>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@hatang/[email protected]"
],
"env": {
"HATANG_API_KEY": "<HATANG_API_KEY>",
"HATANG_ENVIRONMENT": "<HATANG_ENVIRONMENT>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
HATANG_API_KEYOptional, secret | API key from the Ha Tang dashboard (Settings → API Keys). Without one only the docs tools work. |
HATANG_ENVIRONMENTOptional | Payments environment: development (no money moves) or production. |
Details
| Package | @hatang/[email protected] (NPM, stdio) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | dev.hatang/mcp |
More finance and crypto servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.