lemon.markets MCP Server for OpenAI Agents SDK 8 tools — connect in under 2 minutes
The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect lemon.markets through the Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails — no manual schema definitions required.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp
async def main():
# Your Vinkius token — get it at cloud.vinkius.com
async with MCPServerStreamableHttp(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
) as mcp_server:
agent = Agent(
name="lemon.markets Assistant",
instructions=(
"You help users interact with lemon.markets. "
"You have access to 8 tools."
),
mcp_servers=[mcp_server],
)
result = await Runner.run(
agent, "List all available tools from lemon.markets"
)
print(result.final_output)
asyncio.run(main())
* 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 lemon.markets MCP Server
Connect your lemon.markets account to any AI agent to automate your stock trading and market analysis. This MCP server enables your agent to search for instruments, retrieve real-time quotes, and manage your brokerage orders directly.
The OpenAI Agents SDK auto-discovers all 8 tools from lemon.markets through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns — chain multiple agents where one queries lemon.markets, another analyzes results, and a third generates reports, all orchestrated through the Vinkius.
What you can do
- Market Discovery — Search for European stocks and ETFs by name or ISIN across major exchanges
- Real-time Pricing — Get the latest bid/ask quotes and price data for any tradable instrument
- Portfolio Oversight — List your active positions and retrieve detailed account balance information
- Order Execution — Place, activate, and cancel buy or sell orders directly from natural language
- Trading History — Monitor your order status and transaction history to track your investment performance
The lemon.markets MCP Server exposes 8 tools through the Vinkius. Connect it to OpenAI Agents SDK 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 lemon.markets to OpenAI Agents SDK via MCP
Follow these steps to integrate the lemon.markets MCP Server with OpenAI Agents SDK.
Install the SDK
Run pip install openai-agents in your Python environment
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com
Run the script
Save the code above and run it: python agent.py
Explore tools
The agent will automatically discover 8 tools from lemon.markets
Why Use OpenAI Agents SDK with the lemon.markets MCP Server
OpenAI Agents SDK provides unique advantages when paired with lemon.markets through the Model Context Protocol.
Native MCP integration via `MCPServerSse` — pass the URL and the SDK auto-discovers all tools with full type safety
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
lemon.markets + OpenAI Agents SDK Use Cases
Practical scenarios where OpenAI Agents SDK combined with the lemon.markets MCP Server delivers measurable value.
Automated workflows: build agents that query lemon.markets, process the data, and trigger follow-up actions autonomously
Multi-agent orchestration: create specialist agents — one queries lemon.markets, another analyzes results, a third generates reports
Data enrichment pipelines: stream data through lemon.markets tools and transform it with OpenAI models in a single async loop
Customer support bots: agents query lemon.markets to resolve tickets, look up records, and update statuses without human intervention
lemon.markets MCP Tools for OpenAI Agents SDK (8)
These 8 tools become available when you connect lemon.markets to OpenAI Agents SDK via MCP:
activate_pending_order
Activate a placed order to execute it
cancel_open_order
Cancel an open order
get_brokerage_account
markets trading account. Get trading account information
get_latest_quote
Get the latest bid/ask prices for an instrument
list_active_positions
List all currently held portfolio positions
list_brokerage_orders
List recent trading orders
place_new_order
Note: Orders must usually be activated after creation. Place a new buy or sell order
search_market_instruments
g., "Apple", "Tesla", or a specific ISIN). Search for stocks or ETFs on lemon.markets
Example Prompts for lemon.markets in OpenAI Agents SDK
Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with lemon.markets immediately.
"Find the ISIN for 'Volkswagen' on lemon.markets."
"Get the latest ask price for Tesla (ISIN: 'US88160R1014')."
"List my active trading orders."
Troubleshooting lemon.markets MCP Server with OpenAI Agents SDK
Common issues when connecting lemon.markets to OpenAI Agents SDK through the Vinkius, and how to resolve them.
MCPServerStreamableHttp not found
pip install --upgrade openai-agentsAgent not calling tools
lemon.markets + OpenAI Agents SDK FAQ
Common questions about integrating lemon.markets MCP Server with OpenAI Agents SDK.
How does the OpenAI Agents SDK connect to MCP?
MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.Can I use multiple MCP servers in one agent?
MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.Does the SDK support streaming responses?
Connect lemon.markets with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect lemon.markets to OpenAI Agents SDK
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.