How do I find my FamilySearch Access Token?

Log in to the [**FamilySearch Developer portal**](https://www.familysearch.org/developers/), and you can generate a Personal Access Token or use the OAuth flow to obtain one. Copy and paste it below.

Can the agent show my family tree?

Yes. Use the `get_person_pedigree` tool providing a starting person ID. Your agent will return the ancestry chart metadata instantly.

Are photos and stories included?

Yes. The `get_person_memories` tool retrieves any photos, stories, and documents (memories) associated with a specified person in the tree.

FamilySearch API MCP Server for Google ADK 6 tools — connect in under 2 minutes

Name: FamilySearch API
Availability: InStock
Author: Vinkius

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

Built by Vinkius GDPR 6 Tools SDK

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

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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="familysearch_api_agent",
    instruction=(
        "You help users interact with FamilySearch API "
        "using 6 available tools."
    ),
    tools=[mcp_tools],
)

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About FamilySearch API MCP Server

Empower your AI agent to orchestrate your entire genealogical research and ancestry auditing workflow with the FamilySearch API, the world's largest platform for family history. By connecting FamilySearch to your agent, you transform complex ancestor searches into a natural conversation. Your agent can instantly retrieve person details, audit pedigree charts, and query historical record collections without you ever touching a genealogy portal. Whether you are building your family tree or conducting deep-dive historical audits, your agent acts as a real-time genealogical consultant, ensuring your data is always verified and precise.

Google ADK natively supports FamilySearch API as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 6 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Person Auditing — Search for millions of persons in the FamilySearch global tree and retrieve detailed metadata, including lifespans and birth/death places.
Pedigree Oversight — Audit the ancestry charts for specific individuals to maintain a clear view of lineage distribution and scale.
Memories Discovery — Retrieve photos, stories, and documents associated with specific persons to identify relevant assets instantly.
Record Intelligence — List available historical record collections to understand the organizational reach of global archives.
Metadata Intelligence — Retrieve unique identifiers and display names for any genealogical record to assist in deep-dive classification.

The FamilySearch API MCP Server exposes 6 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 FamilySearch API to Google ADK via MCP

Follow these steps to integrate the FamilySearch API 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 6 tools from FamilySearch API via MCP

Why Use Google ADK with the FamilySearch API MCP Server

Google ADK provides unique advantages when paired with FamilySearch API 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 FamilySearch API

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 FamilySearch API tools with BigQuery, Vertex AI, and Cloud Functions

FamilySearch API + Google ADK Use Cases

Practical scenarios where Google ADK combined with the FamilySearch API MCP Server delivers measurable value.

Enterprise data agents: ADK agents query FamilySearch API and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine FamilySearch API tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query FamilySearch API regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including FamilySearch API

FamilySearch API MCP Tools for Google ADK (6)

These 6 tools become available when you connect FamilySearch API to Google ADK via MCP:

check_api_status

Check if the FamilySearch API is operational

get_person_details

Get full details for a specific person in the family tree by ID

get_person_memories

Get memories (photos, stories) associated with a person

get_person_pedigree

Get the ancestry (pedigree) for a specific person

list_historical_collections

List historical record collections available on FamilySearch

search_persons

Search for persons in the FamilySearch Family Tree

Example Prompts for FamilySearch API in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with FamilySearch API immediately.

"Search for 'George Washington' in FamilySearch."

"Show the pedigree for person ID 'KWCX-S58'."

"List available memories for person ID 'LZDP-H7Z'."

Troubleshooting FamilySearch API MCP Server with Google ADK

Common issues when connecting FamilySearch API to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

FamilySearch API + Google ADK FAQ

Common questions about integrating FamilySearch API 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.