Read-only Workday for Claude — fetch tasks, pay, benefits via your signed-in session
About
Read-only Workday for Claude — fetch tasks, pay, benefits via your signed-in session
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (63/64 approved).
9 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: WORKDAY_TENANT
Environment variable: WORKDAY_HOST
Environment variable: WORKDAY_WS_PORT
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-chrischall-workday-mcp": {
"env": {
"WORKDAY_HOST": "your-workday-host-here",
"WORKDAY_TENANT": "your-workday-tenant-here",
"WORKDAY_WS_PORT": "your-workday-ws-port-here"
},
"args": [
"-y",
"workday-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
workday-mcp
Read-only MCP server for Workday. Fetches your
Workday tasks and data cards — pay, benefits, compensation — and returns them as
structured JSON. Every request routes through your own signed-in
*.myworkday.com tab via the fetchproxy
browser extension, reusing your existing SSO-authenticated session.
⚠️ Workday gives employees no personal API. This server reads the same internal
*.htmldendpoints the Workday web app calls, dispatched through your own signed-in browser tab. It is read-only and touches only your own data. Check your employer's acceptable-use policy. Use at your own discretion.🤖 This project was developed and is maintained by AI (Claude Code).
Why a bridge instead of the official API?
The official Workday REST/SOAP API requires a tenant administrator to register an OAuth API client + Integration System User — an employee can't self-provision it. Tenants also sit behind corporate SSO (Ping/Okta/Entra) with MFA, so there's no server-side login. The only surface an employee can reach for their own data is their live browser session, which is what this server relays.
Install
See SKILL.md for full setup. In brief:
{
"mcpServers": {
"workday": {
"command": "npx",
"args": ["-y", "workday-mcp"],
"env": { "WORKDAY_TENANT": "your-tenant-slug" }
}
}
}
Then install the fetchproxy extension and sign into Workday in your browser.
Tools
| Tool | What it does |
|---|---|
workday_get_apps | List your Workday apps with launchable task ids — the discovery entry point |
workday_get_task | Read a Workday task/data card by task id or path → title, fields, references, related tasks, export links |
workday_healthcheck | Verify the bridge + session end-to-end with an actionable hint |
Development
npm install
npm test # vitest
npm run build # tsc --noEmit + esbuild bundle → dist/bundle.js
The widget-tree parser (src/parse.ts) is the durable core; see
docs/WORKDAY-API.md for the captured endpoint shapes and
schema. License: MIT.
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