How to Use the Certn MCP in Google ADK

Q: Can I run Certn candidate invitations using Google ADK?

Yes, the Google ADK agent calls invitehrapplication to send screening requests to candidates via email or SMS. You configure this MCP tool inside the McpToolset to let Gemini manage candidate communications.

Q: How does Google ADK handle Certn package configurations?

Your Google ADK agent executes listpackages to fetch available background check options. It then passes the selected package ID to addhrpackages when customizing a candidate's background check.

Q: Can I store Certn application histories in BigQuery using Google ADK?

You can use listhrapplicants to fetch candidate records and write them to BigQuery. This setup lets you build custom compliance dashboards using your Gemini agent to run the pipeline.

Q: How does the agent track specific applicant statuses?

The gethrapplicant tool retrieves detailed progress updates for any active background check. Your Google ADK agent polls this endpoint to update your internal tracking systems automatically.

Run Certn background screenings directly from your Google ADK pipelines using Gemini models.

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Connect Certn MCP to Google ADK

Create your Vinkius account to connect Certn to Google ADK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Certn with Google ADK

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Query rental properties and listings via Google ADK

The `list_pm_properties` tool retrieves your active rental properties and feeds them directly into Gemini's long-context window. This allows your Google ADK agent to match applicants to open Certn units without manual database queries. You can also call `list_listings` to extract active leasing data for your Google ADK agent. Your agent uses this MCP endpoint to cross-reference this information with incoming tenant applications to automate Certn property management.

Trigger instant tenant screenings using this MCP Server

The `quick_pm_application` tool runs instant tenant background checks through Google ADK infrastructure. Your Gemini agent parses the applicant's raw text files, extracts the necessary fields, and executes the Certn check. Integrating this MCP Server gives your enterprise pipeline direct access to Certn's screening suite. The Google ADK agent processes thousands of applications simultaneously by offloading the API requests to the managed server.

Fetch and analyze HTML background reports

The `get_hr_report_web` tool downloads the complete Certn background check report as an HTML document. Your Google ADK agent reads this structured markup to extract risk flags and compliance scores. If you need a standard document format, `get_hr_report_pdf` pulls the official PDF file. Gemini can analyze the text content of these Certn documents to generate summary reports for hiring managers.

Setup guide

Set up Certn MCP in Google ADK

Prerequisites

Python 3.10+ installed
google-adk package (pip install google-adk)
Active Vinkius subscription with a valid endpoint token

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with Certn tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="Certn_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Certn tools via MCP.",
    tools=mcp_tools,
)

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Common questions about Certn MCP in Google ADK

Yes, the Google ADK agent calls `invite_hr_application` to send screening requests to candidates via email or SMS. You configure this MCP tool inside the McpToolset to let Gemini manage candidate communications.

Your Google ADK agent executes `list_packages` to fetch available background check options. It then passes the selected package ID to `add_hr_packages` when customizing a candidate's background check.

You can use `list_hr_applicants` to fetch candidate records and write them to BigQuery. This setup lets you build custom compliance dashboards using your Gemini agent to run the pipeline.

The `get_hr_applicant` tool retrieves detailed progress updates for any active background check. Your Google ADK agent polls this endpoint to update your internal tracking systems automatically.

Candidate details, email addresses, and screening reports are transmitted securely through the HTTPS transport layer directly to Certn. Vinkius executes this MCP Server in an ephemeral sandbox, ensuring no personal data remains in the execution environment after the tool call completes.

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