Gs1 runs on your own machine — the client starts it, so there is no endpoint to ping. 203 installs a week from npm.
Build GS1 element strings, generate GS1 DataMatrix, validate the eight GS1 keys beyond GTIN.
Today is the operative word: we check Gs1 every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 gs1 -- npx -y yaktool-gs1-mcp
{
"mcpServers": {
"gs1": {
"args": [
"-y",
"yaktool-gs1-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.gs1]
command = "npx"
args = ["-y", "yaktool-gs1-mcp"]
{
"mcpServers": {
"gs1": {
"args": [
"-y",
"yaktool-gs1-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"gs1": {
"args": [
"-y",
"yaktool-gs1-mcp"
],
"command": "npx"
}
}
}
Create, validate and audit llms.txt, incl. the Lighthouse Agentic Browsing check.
Build, validate, and deploy multi-agent AI solutions from any AI environment.
Search local businesses, generate leads, and validate emails via Google Maps data
PRD Generator MCP — generate, validate, and manage Product Requirement Documents.
Build, validate, and persist Webcake landing-page source JSON: element schemas plus AI usage hints.
Build, explain, and validate cron expressions
Validate, build, and publish the resume you keep as YAML in your own GitHub repository.
Build, validate, and describe TTEOP telemetry envelopes for AI operator token efficiency.
Answers built from our own checks of this server.