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JSONPlaceholder MCP Server for Google ADKGive Google ADK instant access to 21 tools to Create Post, Delete Post, Get Album, and more

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

Ask AI about this MCP Server for Google ADK

The JSONPlaceholder MCP Server for Google ADK is a standout in the Productivity category — giving your AI agent 21 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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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="jsonplaceholder_agent",
    instruction=(
        "You help users interact with JSONPlaceholder "
        "using 21 available tools."
    ),
    tools=[mcp_tools],
)
JSONPlaceholder
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<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 JSONPlaceholder MCP Server

Connect to JSONPlaceholder, the industry-standard fake REST API, to simulate data interactions within your AI workflows. Perfect for developers testing MCP integrations or prototyping agentic behaviors without a real backend.

Google ADK natively supports JSONPlaceholder as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 21 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

  • Post Management — Use list_posts, get_post, create_post, update_post, patch_post, and delete_post to test full CRUD lifecycles.
  • Social Interactions — Query comments via list_comments and get_comment to simulate discussion threads and linking.
  • Media Handling — Explore list_albums, get_album, list_photos, and get_photo to manage hierarchical media metadata.
  • Task Tracking — Use list_todos to verify state-based logic and completion status in your agents.
  • Data Filtering — Test precise data retrieval by filtering lists by userId, postId, or albumId directly through tool parameters.

The JSONPlaceholder MCP Server exposes 21 tools through the Vinkius. Connect it to Google ADK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 21 JSONPlaceholder tools available for Google ADK

When Google ADK connects to JSONPlaceholder through Vinkius, your AI agent gets direct access to every tool listed below — spanning rest-api, mock-data, testing, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

create

Create post on JSONPlaceholder

Create a new post

delete

Delete post on JSONPlaceholder

Delete a post

get

Get album on JSONPlaceholder

Get a specific album by ID

get

Get album photos on JSONPlaceholder

Get photos for a specific album

get

Get comment on JSONPlaceholder

Get a specific comment by ID

get

Get photo on JSONPlaceholder

Get a specific photo by ID

get

Get post on JSONPlaceholder

Get a specific post by ID

get

Get post comments on JSONPlaceholder

Get comments for a specific post

get

Get todo on JSONPlaceholder

Get a specific todo by ID

get

Get user on JSONPlaceholder

Get a specific user by ID

get

Get user albums on JSONPlaceholder

Get albums for a specific user

get

Get user posts on JSONPlaceholder

Get posts for a specific user

get

Get user todos on JSONPlaceholder

Get todos for a specific user

list

List albums on JSONPlaceholder

Can be filtered by userId. List all albums

list

List comments on JSONPlaceholder

Can be filtered by postId. List all comments

list

List photos on JSONPlaceholder

Can be filtered by albumId. List all photos

list

List posts on JSONPlaceholder

Can be filtered by userId. List all posts

list

List todos on JSONPlaceholder

Can be filtered by userId. List all todos

list

List users on JSONPlaceholder

List all users

patch

Patch post on JSONPlaceholder

Update a post (partial)

update

Update post on JSONPlaceholder

Update a post (replace)

Connect JSONPlaceholder to Google ADK via MCP

Follow these steps to wire JSONPlaceholder into Google ADK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Install Google ADK

Run pip install google-adk
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token
03

Create the agent

Save the code above and integrate into your ADK workflow
04

Explore tools

The agent will discover 21 tools from JSONPlaceholder via MCP

Why Use Google ADK with the JSONPlaceholder MCP Server

Google ADK provides unique advantages when paired with JSONPlaceholder through the Model Context Protocol.

01

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

02

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with JSONPlaceholder

03

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

04

Seamless integration with Google Cloud services means you can combine JSONPlaceholder tools with BigQuery, Vertex AI, and Cloud Functions

JSONPlaceholder + Google ADK Use Cases

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

01

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

02

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

03

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

04

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

Example Prompts for JSONPlaceholder in Google ADK

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

01

"List all posts for user 1."

02

"Get the details for comment ID 5."

03

"Create a new post for user 10 with title 'MCP Test' and body 'Testing JSONPlaceholder'."

Troubleshooting JSONPlaceholder MCP Server with Google ADK

Common issues when connecting JSONPlaceholder to Google ADK through Vinkius, and how to resolve them.

01

McpToolset not found

Update: pip install --upgrade google-adk

JSONPlaceholder + Google ADK FAQ

Common questions about integrating JSONPlaceholder MCP Server with Google ADK.

01

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.
02

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.
03

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.

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