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Announcing StackOne Defender: leading open-source prompt injection guard for your agent • Read More →
Production-ready Staffology HR MCP server with 46 extensible actions — plus built-in authentication, security, and optimized execution.
Coverage
Create, read, update, and delete across Staffology HR — and extend your agent's capabilities with custom actions.
Authentication
Per-user OAuth in one call. Your Staffology HR MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →Security
Every Staffology HR tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →Performance
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Staffology HR call.
Tools Discovery →A Staffology HR MCP server lets AI agents read and write Staffology HR data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Staffology HR MCP server ships with 46 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
Every action from Staffology HR's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Create a new employee record with personal and contract information
Retrieve a specific employee by ID
Update an existing employee record with personal and contract information
Retrieve company information and settings
Update company information and settings
Create a new expense record
Retrieve a specific expense by ID
Update an existing expense record
Delete an expense record
Create a new time tracking entry
Retrieve a specific time entry by ID
Update an existing time entry
Delete a time entry
Add a break to a time entry
Retrieve a specific time break by ID
Get all breaks for a time entry
Update an existing time break
Delete a time break
Attach a file to a time entry
Retrieve a time file attachment
Get all files attached to a time entry
Delete a time file attachment
Create a new lookup value
Update an existing lookup value
Delete a lookup value
Retrieve a document link by ID
Delete a document link
Send invitation emails to new employees
Retrieve paginated list of employees
Get employee numbers for all employees
Get list of pending approvals by type
Get request/approval history for a specific item
Get expenses for an employee by submission ID
Get expense submissions for an employee
Get time entries for an employee by submission ID
Get time submissions for an employee
Get all payslips for an employee in a tax year
Get a specific payslip by employee, tax year, and payslip ID
Get payslip by employee, tax year, and tax period
Get paginated list of lookup values by type
Get all available lookup types
Get lookups filtered by multiple types
Get calendar events for an employee by year
Get calendar events for an employee by date range
Submit time entries for approval
Reprocess time entries that were declined
One endpoint. Any framework. Your agent is talking to Staffology HR in under 10 lines of code.
MCP Clients
Agent Frameworks
{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}140+ actions
128+ actions
127+ actions
123+ actions
120+ actions
117+ actions
100+ actions
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
origin_owner_id.All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.