Workday Automation

Automate your Workday HR operations directly from Claude Code. Look up workers, create time off requests, check absence balances, and validate time off eligibility -- all without leaving your terminal.

Toolkit docs: composio.dev/toolkits/workday

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Setup

1. Add the Rube MCP server to your Claude Code config with URL: https://rube.app/mcp
2. When prompted, authenticate your Workday account through the connection link provided
3. Start automating your HR workflows with natural language

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Core Workflows

1. Search and List Workers

Retrieve worker information with search and pagination.

Tool: WORKDAY_LIST_WORKERS

Search for workers named "Sarah" and include terminated employees

Key parameters:

• search -- search by name or worker ID (case-insensitive, space-delimited for OR search)
• includeTerminatedWorkers -- include terminated workers in results
• limit (default 20, max 100) / offset -- pagination controls

2. Create Time Off Requests

Submit time off requests for workers with full business process support.

Tool: WORKDAY_CREATE_TIME_OFF_REQUEST

Create a vacation request for worker abc123 for March 15-17, 2026 (8 hours each day)

Key parameters:

• ID (required) -- Workday worker ID
• businessProcessParameters (required) -- must include action with id field (use "d9e4223e446c11de98360015c5e6daf6" for submit action)
• days (required) -- array of time off entries, each with:
  • date (required) -- date in yyyy-mm-dd format
  • timeOffType (required) -- object with id of the eligible absence type
  • dailyQuantity -- hours or days quantity
  • comment, start, end, position, reason -- optional fields
• businessProcessParameters.comment -- optional business process comment

3. Check Time Off Eligibility

Validate which dates a worker can take off before submitting a request.

Tool: WORKDAY_GET_WORKER_VALID_TIME_OFF_DATES

Check if worker abc123 is eligible to take time off on March 15, 2026

Key parameters:

• ID (required) -- Workday worker ID
• date -- specific date to validate (yyyy-mm-dd)
• position -- filter by specific position ID
• timeOff -- filter by specific time off plan/type ID
• limit (max 100) / offset -- pagination

4. View Absence Balances

Check remaining time off balances for workers across all plans.

Tool: WORKDAY_LIST_ABSENCE_BALANCES

Show me absence balances for all workers in the organization

• Retrieves balances for time off plans and leave of absence types
• Can be filtered by worker ID, category, and effective date

5. Get Current User Profile

Retrieve the authenticated worker's profile information.

Tool: WORKDAY_GET_CURRENT_USER

Show me my Workday profile information

• No parameters required
• Returns the authenticated worker's profile
• Use this first to get the worker ID for subsequent operations

6. View Time Off History

Retrieve time off details and history for a specific worker.

Tool: WORKDAY_GET_WORKER_TIME_OFF_DETAILS

Show me the time off history for worker abc123

• Retrieves a collection of time off details for the specified worker
• Useful for auditing time off usage and remaining balances

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Known Pitfalls

• Worker ID resolution: Always call WORKDAY_GET_CURRENT_USER or WORKDAY_LIST_WORKERS first to resolve Workday worker IDs. Worker IDs are Workday-specific UUIDs, not employee numbers.
• Time off type IDs must be valid: The timeOffType.id in WORKDAY_CREATE_TIME_OFF_REQUEST must reference a valid eligible absence type for that worker. Use the "Get Worker Eligible Absence Types" flow to discover valid type IDs.
• Submit action ID: The businessProcessParameters.action.id should be "d9e4223e446c11de98360015c5e6daf6" for the submit action. Using an incorrect ID will cause the business process to fail.
• Date format: All date fields use yyyy-mm-dd format. ISO 8601 with timestamps is not accepted for date-only fields.
• Pagination limits: The maximum limit is 100 across all Workday endpoints. Default is 20. Always paginate for complete datasets.
• Business process approval: Creating a time off request initiates the business process but does not guarantee approval. The request enters the normal approval workflow.

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Quick Reference

Tool Slug	Description
WORKDAY_LIST_WORKERS	Search and list workers with staffing info
WORKDAY_GET_CURRENT_USER	Get the authenticated worker's profile
WORKDAY_CREATE_TIME_OFF_REQUEST	Submit a time off request (requires ID, businessProcessParameters, days)
WORKDAY_GET_WORKER_VALID_TIME_OFF_DATES	Check time off date eligibility (requires ID)
WORKDAY_LIST_ABSENCE_BALANCES	Retrieve absence balances across time off plans
WORKDAY_GET_WORKER_TIME_OFF_DETAILS	Get time off history for a worker

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