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Clover MCP Server
for AI Agents

Connect your AI agent to StackOne's Clover MCP server and give it 64 MCP tools out of the box. Auth, tool execution, and security all managed.

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Clover MCP Server
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64 Agent Actions

Create, read, update, and delete across Clover — and extend your agent's capabilities with custom actions.

MCP Actions → Build Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your Clover MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every Clover tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Clover call.

Tools Discovery →

What is the Clover MCP Server?

A Clover MCP server lets AI agents read and write Clover data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Clover MCP server ships with 64 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All Clover MCP Tools

Every action from Clover's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

A Customers

  • Create A Customer

    Create a customer

  • Update A Customer

    Update a customer

  • Delete A Customer

    Delete a customer

A Phone Number For A Customers

  • Create A Phone Number For A Customer

    Create a phone number for a customer

  • Update A Phone Number For A Customer

    Update a phone number for a customer

An Email Address For A Customers

  • Create An Email Address For A Customer

    Create an email address for a customer

  • Update An Email Address For A Customer

    Update an email address for a customer

An Address For A Customers

  • Create An Address For A Customer

    Create an address for a customer

  • Update An Address For A Customer

    Update an address for a customer

An Orders

  • Update An Order

    Update an order

  • Delete An Order

    Delete an order

An Inventory Items

  • Create An Inventory Item

    Create an inventory item

  • Delete An Inventory Item

    Delete an inventory item

A Categorys

  • Get A Category

    Get a category

  • Update A Category

    Update a category

An Employees

  • Create An Employee

    Create an employee

  • Update An Employee

    Update an employee

  • Delete An Employee

    Delete an employee

A Single Shifts

  • Update A Single Shift

    Update a single shift

  • Delete A Single Shift

    Delete a single shift

Other (44)

  • Create Custom Orders

    Create custom orders

  • Create A New Line Item

    Create a new line item

  • Create A Discount On An Order

    Create a discount on an order

  • Create A Tax Rate For A Merchant

    Create a tax rate for a merchant

  • Create A Discount

    Create a discount

  • Create An Item Category

    Create an item category

  • Create Shift For An Employee

    Create shift for an employee

  • Get A Single Merchant

    Get a single merchant

  • Get A Merchant's Properties

    Get a merchant's properties

  • Get A Merchant's Address

    Get a merchant's address

  • Get All Devices Provisioned To A Merchant

    Get all devices provisioned to a merchant

  • Get All Tenders For A Merchant

    Get all tenders for a merchant

  • Get All Cash Events

    Get all cash events

  • Get A List Of Customers

    Get a list of customers

  • Get A Single Customer

    Get a single customer

  • Get A Single Order

    Get a single order

  • Get All Line Items For An Order

    Get all line items for an order

  • Get All Payments For An Order

    Get all payments for an order

  • Get All Order Types For A Merchant

    Get all order types for a merchant

  • Get All Inventory Items

    Get all inventory items

  • Get A Single Inventory Item

    Get a single inventory item

  • Get All Tax Rates

    Get all tax rates

  • Get All Discounts

    Get all discounts

  • Get A Single Tax Rate

    Get a single tax rate

  • Get A Single Discount

    Get a single discount

  • Get All Modifiers

    Get all modifiers

  • Get All Tags

    Get all tags

  • Get All Categories

    Get all categories

  • Get All Employees

    Get all employees

  • Get A Single Employee

    Get a single employee

  • Get All Shifts For An Employee

    Get all shifts for an employee

  • Get All Roles For A Merchant

    Get all roles for a merchant

  • Get All Payments

    Get all payments

  • Get A Single Payment

    Get a single payment

  • Get All Refunds For A Merchant

    Get all refunds for a merchant

  • Get A Single Refund

    Get a single refund

  • Update Merchant Properties

    Update merchant properties

  • Update A Line Item

    Update a line item

  • Update An Existing Inventory Item

    Update an existing inventory item

  • Update The Stock Of An Inventory Item

    Update the stock of an inventory item

  • Delete An Order Discount

    Delete an order discount

  • Delete A Single Item Category

    Delete a single item category

  • Gets A List Of Orders

    Gets a list of orders

  • Void A Line Item

    Void a line item

Set Up Your Clover MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to Clover in under 10 lines of code.

MCP Clients

Claude Desktop setup guide
Claude Code setup guide
Cursor setup guide
Goose setup guide

Agent Frameworks

Claude Desktop
{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

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Platform Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

MCP vs A2A: Architecture, Security, and When to Use Each

MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.

12 min

MCP vs API: What 200+ Connector Builds Taught Us

MCP wraps APIs, it doesn't replace them. After building 200+ connectors that serve both, here's when each approach wins.

14 min read

Clover MCP Server FAQ

Does StackOne have a Clover MCP server?
Yes. StackOne offers a hosted Clover MCP server with 64 pre-built actions, and every action is tested and QA'd by StackOne. Connect it to Claude, Cursor, and any other MCP client, or to any agent framework through the AI Action SDK. It ships with managed agent authentication, prompt injection defense, and tool discovery with server-side execution that preserve your agent's context window and keep reasoning performance.
Clover MCP server vs direct API integration — what's the difference?
A Clover MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Clover. A Clover MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Clover at runtime. StackOne provides both.
How does Clover authentication work for AI agents?
Clover authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Clover account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.
Are Clover MCP tools vulnerable to prompt injection?
Yes — Clover MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Clover agent and how do I avoid it?
Context bloat happens when Clover tool schemas and API responses eat your Clover agent's memory, preventing it from reasoning effectively. A single Clover query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Clover agent can access?
Yes — you can limit which actions your Clover agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Clover MCP server?
Yes — you can create custom agent actions for your Clover MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Clover's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Clover MCP server?
Skip a Clover MCP server if your integration is purely software-to-software — direct Clover API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Clover actions at runtime.
What AI frameworks and AI clients does the StackOne Clover MCP server support?
The StackOne Clover MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

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