Square MCP Server for LlamaIndexGive LlamaIndex instant access to 11 tools to Create Payment, Get Customer, Get Order Details, and more
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Square as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
Ask AI about this App Connector for LlamaIndex
The Square app connector for LlamaIndex is a standout in the Industry Titans category — giving your AI agent 11 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to Square. "
"You have 11 tools available."
),
)
response = await agent.run(
"What tools are available in Square?"
)
print(response)
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 Square MCP Server
Connect your Square account to any AI agent to automate your omnichannel commerce and business management. Square provides a robust suite of APIs for processing payments, managing customer relationships, and tracking inventory across all your physical and digital locations through natural conversation.
LlamaIndex agents combine Square tool responses with indexed documents for comprehensive, grounded answers. Connect 11 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
What you can do
- Payment & Transaction Orchestration — List recent payments and retrieve detailed metadata for specific transactions to ensure your revenue is always synchronized.
- Customer CRM Control — List and search through your customer database and manage profile metadata directly from the AI interface.
- Order Lifecycle Management — Search and monitor orders across your account to maintain a clear overview of your sales performance.
- Inventory & Stock Tracking — Retrieve real-time inventory counts for catalog objects to ensure your product availability is always accurate.
- Location Oversight — Access and monitor all business locations and their associated metadata via natural language commands.
The Square MCP Server exposes 11 tools through the Vinkius. Connect it to LlamaIndex in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 11 Square tools available for LlamaIndex
When LlamaIndex connects to Square through Vinkius, your AI agent gets direct access to every tool listed below — spanning square, payment-processing, point-of-sale, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Create a new payment
Get details for a specific customer
Get metadata for an order
Get metadata for a payment
Retrieve stock levels
List all catalog items
List store customers
Supports pagination. List recent store payments
List your business locations
Search for specific customers
Requires location_ids. Search for store orders
Connect Square to LlamaIndex via MCP
Follow these steps to wire Square into LlamaIndex. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
pip install llama-index-tools-mcp llama-index-llms-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.py and run: python agent.pyExplore tools
Why Use LlamaIndex with the Square MCP Server
LlamaIndex provides unique advantages when paired with Square through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine Square tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain Square tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query Square, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what Square tools were called, what data was returned, and how it influenced the final answer
Square + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the Square MCP Server delivers measurable value.
Hybrid search: combine Square real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query Square to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying Square for fresh data
Analytical workflows: chain Square queries with LlamaIndex's data connectors to build multi-source analytical reports
Example Prompts for Square in LlamaIndex
Ready-to-use prompts you can give your LlamaIndex agent to start working with Square immediately.
"List all active business locations in my Square account."
"Show me all payments from today with their status, amounts, and payment methods."
"Search for all orders from customer David Chen and show his purchase history."
Troubleshooting Square MCP Server with LlamaIndex
Common issues when connecting Square to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpSquare + LlamaIndex FAQ
Common questions about integrating Square MCP Server with LlamaIndex.