Workday runs on your own machine — the client starts it, so there is no endpoint to ping. 68 installs a week from npm. Last commit 2 Nov 2026.
Workday HCM MCP server for Model Context Protocol hosts — workers, profiles, organizations
What the code does
We read the source, 22 h ago · rules 995398eba69f
A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.
fs.writeFileSync(outFd, pdfBuffer);
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.
const fullPath = path.join(stagingDir, filename);
const child = spawn(process.execPath, [script], {
if (isUnder(resolvedAbs, sshDir)) return { hit: true, reason: '~/.ssh/** is sensitive' };
<script src="https://appsforoffice.microsoft.com/lib/1.1/hosted/office.js"></script>
const entries = fs.readdirSync(workspacePath, { withFileTypes: true });
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
A tool parameter here reaches a dangerous call
That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.
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 mcp-server-workday -e 'WORKDAY_HOST=<WORKDAY_HOST>' -e 'WORKDAY_TENANT=<WORKDAY_TENANT>' -e 'WORKDAY_CLIENT_ID=<WORKDAY_CLIENT_ID>' -e 'WORKDAY_CLIENT_SECRET=<WORKDAY_CLIENT_SECRET>' -- npx -y @mindstone/mcp-server-workday{
"mcpServers": {
"mcp-server-workday": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-workday"
],
"env": {
"WORKDAY_CLIENT_ID": "<WORKDAY_CLIENT_ID>",
"WORKDAY_CLIENT_SECRET": "<WORKDAY_CLIENT_SECRET>",
"WORKDAY_HOST": "<WORKDAY_HOST>",
"WORKDAY_TENANT": "<WORKDAY_TENANT>"
}
}
}
}[mcp_servers.mcp-server-workday]
command = "npx"
args = ["-y", "@mindstone/mcp-server-workday"]
env = { WORKDAY_HOST = "<WORKDAY_HOST>", WORKDAY_TENANT = "<WORKDAY_TENANT>", WORKDAY_CLIENT_ID = "<WORKDAY_CLIENT_ID>", WORKDAY_CLIENT_SECRET = "<WORKDAY_CLIENT_SECRET>" }{
"mcpServers": {
"mcp-server-workday": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-workday"
],
"env": {
"WORKDAY_CLIENT_ID": "<WORKDAY_CLIENT_ID>",
"WORKDAY_CLIENT_SECRET": "<WORKDAY_CLIENT_SECRET>",
"WORKDAY_HOST": "<WORKDAY_HOST>",
"WORKDAY_TENANT": "<WORKDAY_TENANT>"
}
}
}
}{
"servers": {
"mcp-server-workday": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-workday"
],
"env": {
"WORKDAY_CLIENT_ID": "<WORKDAY_CLIENT_ID>",
"WORKDAY_CLIENT_SECRET": "<WORKDAY_CLIENT_SECRET>",
"WORKDAY_HOST": "<WORKDAY_HOST>",
"WORKDAY_TENANT": "<WORKDAY_TENANT>"
}
}
}
}Put your own values in place of
<WORKDAY_HOST> (Workday API host (e.g. wd5-impl-services1.workday.com)), <WORKDAY_TENANT> (Workday tenant ID), <WORKDAY_CLIENT_ID> (Workday OAuth 2.0 client ID), <WORKDAY_CLIENT_SECRET> (Workday OAuth 2.0 client secret).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
WORKDAY_REFRESH_TOKEN (Workday OAuth 2.0 refresh token (optional; enables the refresh_token grant)), WORKDAY_RECRUITING_API_VERSION (Optional override for the recruiting REST family version (e.g. v41.2) when the tenant exposes a different Workday platform release).
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Workday — questions
Answers built from our own checks of this server.