How to Use the lemon.markets MCP in Google ADK

Q: How do I restrict a Google ADK agent to read-only lemon.markets tools on this MCP Server?

Pass a filtered list of tools to the toolnames parameter when initializing your Google ADK McpToolset. This lets you expose getlatestquote while hiding lemon.markets execution tools like placeneworder.

Q: Can I feed lemon.markets portfolio positions into a Google ADK long-context model?

Yes, you can fetch your entire holdings list using listactivepositions and inject the raw JSON directly into the Google ADK context window for deep portfolio analysis. This allows Gemini to reason over your entire lemon.markets history.

Run enterprise European stock trading pipelines by connecting the Google ADK to your live lemon.markets data.

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Connect lemon.markets MCP to Google ADK

Create your Vinkius account to connect lemon.markets 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 lemon.markets with Google ADK

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BigQuery-Driven Trading with Google ADK

The `get_latest_quote` tool fetches real-time bid and ask prices from lemon.markets that your Google ADK agent can compare against historical data stored in BigQuery. This lets your Gemini models analyze millions of rows of market history before choosing a lemon.markets entry price. Once the Google ADK model determines the target price, it initiates the trade using `place_new_order`. Deploying this as an MCP Server lets you run these trades directly from your Gemini workflows, executing `activate_pending_order` to finalize the transaction on lemon.markets.

Long-Context Portfolio Rebalancing

Calling `list_active_positions` retrieves your entire lemon.markets portfolio footprint and feeds it directly into the Google ADK agent's massive 1M-token context window. This allows the Gemini model to evaluate your entire asset mix without losing track of previous trading decisions. The Google ADK agent checks current holdings against your target allocations, then uses `list_brokerage_orders` to identify any pending lemon.markets transactions. If it finds conflicting open orders, the Google agent runs `cancel_open_order` to clean up the queue before rebalancing.

Enterprise-Grade Market Discovery

Using `search_market_instruments` allows your Gemini-powered Google ADK agent to parse complex investment briefs and map them to real European ISINs. The Google ADK auto-discovers these MCP tools, bridging the gap between high-level market research and actual lemon.markets execution. By configuring the Google ADK `McpToolset` with a custom `tool_names` filter, you can restrict the agent's access to read-only market data tools. This prevents unauthorized trades while allowing your Google research agents to scan the lemon.markets catalog freely.

Setup guide

Set up lemon.markets 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 lemon.markets 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="lemon.markets_agent",
    model="gemini-2.0-flash",
    instruction="You have access to lemon.markets tools via MCP.",
    tools=mcp_tools,
)

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by lemon.markets. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about lemon.markets MCP in Google ADK

Pass a filtered list of tools to the `tool_names` parameter when initializing your Google ADK `McpToolset`. This lets you expose `get_latest_quote` while hiding lemon.markets execution tools like `place_new_order`.

Yes, you can fetch your entire holdings list using `list_active_positions` and inject the raw JSON directly into the Google ADK context window for deep portfolio analysis. This allows Gemini to reason over your entire lemon.markets history.

Build an execution queue in your Google ADK Python code that spaces out calls to `get_latest_quote`. This prevents your Gemini agent from hitting HTTP 429 rate limit errors during high-frequency lemon.markets trading.

The Google ADK and lemon.markets MCP integration supports both standard Stdio and streamable HTTP transports. For cloud deployments on Google Vertex AI, the streamable HTTP option is recommended.

All transaction payloads and account metrics are processed inside an ephemeral, zero-trust container before reaching lemon.markets. Your credentials never touch Google ADK storage, passing securely through encrypted memory spaces that wipe immediately.

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