Chestnyznak 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 2 Sep 2026.
MCP server for Chestniy ZNAK (Честный ЗНАК) API — product marking verification. No auth needed for
Nothing serious here today
Today is the operative word: we check Chestnyznak MCP 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 chestnyznak-mcp -e 'API_KEY=<API_KEY>' -- npx -y @theyahia/chestnyznak-mcp{
"mcpServers": {
"chestnyznak-mcp": {
"command": "npx",
"args": [
"-y",
"@theyahia/chestnyznak-mcp"
],
"env": {
"API_KEY": "<API_KEY>"
}
}
}
}[mcp_servers.chestnyznak-mcp]
command = "npx"
args = ["-y", "@theyahia/chestnyznak-mcp"]
env = { API_KEY = "<API_KEY>" }{
"mcpServers": {
"chestnyznak-mcp": {
"command": "npx",
"args": [
"-y",
"@theyahia/chestnyznak-mcp"
],
"env": {
"API_KEY": "<API_KEY>"
}
}
}
}{
"servers": {
"chestnyznak-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@theyahia/chestnyznak-mcp"
],
"env": {
"API_KEY": "<API_KEY>"
}
}
}
}Put your own value in place of
<API_KEY> (API key for the service).
The author’s registry entry marks it as required.
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Chestnyznak MCP — questions
Answers built from our own checks of this server.