AI Native Square Integration
- Supports both Square MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Square data
- Builders & DevelopersCOMPOSIOFOR YOUGive Claude, Codex, or any harness secure access to 1500+ tools
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.
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Square MCP server for AI agents and assistants
Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Square MCP or direct API to process payments, send invoices, manage orders, and access customer data through natural language.
Oauth2
Square is a platform for payment processing, POS, invoicing, and e-commerce. It empowers businesses to accept payments, manage sales, and streamline operations from one place.
96 Tools
Try Square now
Type what you want done — sign in and watch it run live in the Tool Router playground.
TOOL ROUTER PLAYGROUND
Square
Enter ↵
Try asking
TOOLS
Supported Tools
Every Square action and event your agent gets out of the box.
SETUP GUIDE
Connect Square MCP Tool with your Agent
1
Install Composio
typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcpInstall the Composio SDK and Claude Agent SDK
2
Create Tool Router Session
typescript
import { Composio } from '@composio/core';
const composio = new Composio({ apiKey: 'your-api-key' });
console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);Initialize the Composio client and create a Tool Router session
3
Connect to AI Agent
typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';
const client = await createMCPClient({
transport: {
type: 'http',
url: mcp.url,
headers: { 'x-api-key': 'your-composio-api-key' }
}
});
const tools = await client.tools();
const { text } = await generateText({
model: openai('gpt-4o'),
tools,
messages: [{ role: 'user', content: 'Show me all invoices sent in the last month' }],
stopWhen: stepCountIs( 5 )
});
console.log(`Agent: ${text}`);Use the MCP server with your AI agent
SETUP GUIDE
Connect Square API Tool with your Agent
1
Install Composio
typescript
npm install @composio/openaiInstall the Composio SDK
2
Initialize Composio and Create Tool Router Session
typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';
const composio = new Composio({
provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');Import and initialize Composio client, then create a Tool Router session
3
Execute Square Tools via Tool Router with Your Agent
typescript
const tools = session.tools;
const response = await openai.responses.create({
model: 'gpt-4.1',
tools: tools,
input: [{
role: 'user',
content: 'Show me all invoices sent in the last month'
}],
});
const result = await composio.provider.handleToolCalls(
'your-user-id',
response.output
);
console.log(result);Get tools from Tool Router session and execute Square actions with your Agent
Why Use Composio?
Managed Auth
- Built-in OAuth handling with automatic token refresh and rotation
- Central place to manage, scope, and revoke Square access
- Per user and per environment credentials instead of hard-coded keys
Agent Optimized Design
- Tools are tuned using real error and success rates to improve reliability over time
- Comprehensive execution logs so you always know what ran, when, and on whose behalf
Enterprise Grade Security
- Fine-grained RBAC so you control which agents and users can access Square
- Scoped, least privilege access to Square resources
- Full audit trail of agent actions to support review and compliance
FRAMEWORKS
Use Square with any AI Agent Framework
Choose a Framework you want to connect Square with
OpenAI Agents SDK
Use Square MCP with OpenAI Agents SDK
Claude Agents SDK
Use Square MCP with Claude Agents SDK
Claude Code
Use Square MCP with Claude Code
Claude Cowork
Use Square MCP with Claude Cowork
Codex
Use Square MCP with Codex
Kimi Code
Use Square MCP with Kimi Code
OpenClaw
Use Square MCP with OpenClaw
Hermes
Use Square MCP with Hermes
CLI
Use Square MCP with CLI
Google ADK
Use Square MCP with Google ADK
Langchain
Use Square MCP with Langchain
AI SDK
Use Square MCP with AI SDK
Mastra AI
Use Square MCP with Mastra AI
LlamaIndex
Use Square MCP with LlamaIndex
CrewAI
Use Square MCP with CrewAI
Pydantic AI
Use Square MCP with Pydantic AI
Autogen
Use Square MCP with Autogen
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FAQ
Frequently asked questions
No. Composio provides a managed OAuth app for Square, so you sign in with your normal Square account and approve access. If you later want the consent screen to show your own company name, you can add your own Square OAuth app in the Composio dashboard, and every connection after that uses it.
Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.
Yes. Composio is SOC 2 Type II compliant and is built to keep your Square connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.
Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.
Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.
When you connect a Square account through Composio, every action runs under that account, so anything the agent creates, sends, or changes shows up in Square as done by you. Keep an approval step in your prompt for actions with side effects, such as sending or deleting, and have the agent draft first.
Exactly the ones Square lists on its consent screen when you connect. Review that screen before approving. If you connect a work account, your Square administrator may need to approve the app first, and you can revoke the access inside Square whenever you want.
Yes. Composio supports multiple connected accounts for the same app, and that works in Claude, ChatGPT, or any other assistant you connect through Composio. Give each Square connection a name such as work or personal, and the assistant uses the one you mention in the request. Each account keeps its own credentials and nothing is merged.
Composio refreshes Square tokens automatically, so day to day you do nothing. If you revoke access inside Square, or Square invalidates the session, the connection shows as expired in Composio and the agent stops acting on that account until you reconnect it, which is a single sign-in.
Composio's free plan includes 100,000 tool calls per month with no credit card, and up to 20,000 of those can run through Composio-managed apps like Square. Personal Square use rarely gets near that. Paid plans add higher limits and team features, and Square's own pricing is unaffected.
Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple Square accounts).
With Composio, you connect Square once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.
Start with Square.It takes 30 seconds.
Managed auth, hosted MCP servers, and every Square tool your agent needs.Free to start.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.Start building