How do I get Sapling API credentials?

Log in to your Sapling account and navigate to the API settings in your admin dashboard to generate an API Key.

Does it support onboarding and offboarding tasks?

Yes, you can list both onboarding and offboarding tasks using the corresponding tools in this MCP.

Can I see employee profiles?

Yes, the list_employees and get_employee tools provide access to comprehensive personnel data.

Sapling (Kallidus) MCP Server for Google ADK 10 tools — connect in under 2 minutes

Name: Sapling (Kallidus)
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 10 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Sapling (Kallidus) as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="sapling_kallidus_agent",
    instruction=(
        "You help users interact with Sapling (Kallidus) "
        "using 10 available tools."
    ),
    tools=[mcp_tools],
)

Fully ManagedVinkius Servers

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High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Sapling (Kallidus) MCP Server

Empower your AI agents with Sapling's (by Kallidus) HR and onboarding platform. This MCP server allows you to list and retrieve employee profiles, track onboarding and offboarding tasks, manage departments and teams, and view office locations directly through the Sapling API. Ideal for automating HR workflows and personnel management.

Google ADK natively supports Sapling (Kallidus) as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 10 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

The Sapling (Kallidus) MCP Server exposes 10 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Sapling (Kallidus) to Google ADK via MCP

Follow these steps to integrate the Sapling (Kallidus) MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 10 tools from Sapling (Kallidus) via MCP

Why Use Google ADK with the Sapling (Kallidus) MCP Server

Google ADK provides unique advantages when paired with Sapling (Kallidus) through the Model Context Protocol.

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Sapling (Kallidus)

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine Sapling (Kallidus) tools with BigQuery, Vertex AI, and Cloud Functions

Sapling (Kallidus) + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Sapling (Kallidus) MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Sapling (Kallidus) and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Sapling (Kallidus) tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Sapling (Kallidus) regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Sapling (Kallidus)

Sapling (Kallidus) MCP Tools for Google ADK (10)

These 10 tools become available when you connect Sapling (Kallidus) to Google ADK via MCP:

get_account

Use to verify connection status and account settings. Retrieves details about your Sapling account

get_employee

Returns employment history, compensation details (if available), and custom attributes. Essential for deep intelligence on an individual team member. Retrieves details for a specific employee

list_departments

g., Engineering, HR, Sales) defined in Sapling. Useful for mapping the company structure. Lists all departments

list_employees

Returns names, emails, and internal IDs. Use this as the main starting point for HR auditing or personnel lookups. Lists all employees in Sapling

list_groups

Lists all custom employee groups

list_job_titles

Useful for standardized role auditing. Lists all configured job titles

list_locations

Useful for auditing site-based employee distribution. Lists all office locations

list_offboarding_tasks

Essential for ensuring secure and compliant offboarding workflows. Lists all offboarding tasks

list_onboarding_tasks

Essential for monitoring the progress of new hire integrations. Lists all onboarding tasks

list_teams

Useful for understanding internal team organization beyond departments. Lists all internal teams

Example Prompts for Sapling (Kallidus) in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Sapling (Kallidus) immediately.

"List all active employees in Sapling."

"Show me the onboarding tasks for new hires."

"Get details for employee ID '123'."

Troubleshooting Sapling (Kallidus) MCP Server with Google ADK

Common issues when connecting Sapling (Kallidus) to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Sapling (Kallidus) + Google ADK FAQ

Common questions about integrating Sapling (Kallidus) MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.