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Live 45 Actions

ShipStation MCP Server
for AI Agents

Connect your AI agent to StackOne's ShipStation MCP server and give it 45 MCP tools out of the box. Auth, tool execution, and security all managed.

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ShipStation MCP Server
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Coverage

45 Agent Actions

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

MCP Actions → Build Actions →

Authentication

Agent Tool Authentication

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

Agent Auth →

Security

Agent Protection

Every ShipStation 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 ShipStation call.

Tools Discovery →

What is the ShipStation MCP Server?

A ShipStation MCP server lets AI agents read and write ShipStation data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's ShipStation MCP server ships with 45 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 ShipStation MCP Tools

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

Carriers

  • List Carriers

    List all shipping carriers connected to the account

  • Get Carrier

    Retrieve a single carrier by carrierCode

Customers

  • List Customers

    Retrieve a paginated list of customers

  • Get Customer

    Retrieve a single customer by ID

Orders

  • List Orders

    List orders matching search criteria

  • Get Order

    Retrieve a single order by ID

  • Delete Order

    Soft-delete an order

Products

  • List Products

    Retrieve a paginated list of products

  • Get Product

    Retrieve a single product by ID

  • Update Product

    Update an existing product

Stores

  • List Stores

    List all stores associated with the ShipStation account

  • Get Store

    Retrieve details for a specific store by ID

  • Update Store

    Update an existing store

Warehouses

  • Create Warehouse

    Create a new warehouse (Ship From Location)

  • List Warehouses

    List all Ship From Locations (warehouses) on the ShipStation account

  • Get Warehouse

    Retrieve a single warehouse (Ship From Location) by its ID

  • Update Warehouse

    Update an existing warehouse (Ship From Location)

  • Delete Warehouse

    Delete a warehouse (Ship From Location)

Other (27)

  • Add Carrier Funds

    Add funds to a carrier account

  • Create Or Update Order

    Create a new order or update an existing one

  • Create Or Update Multiple Orders

    Create or update multiple orders in a single call

  • Add Tag To Order

    Add a tag to an order

  • Create Label For Order

    Create a shipping label for an existing order

  • Create Shipping Label

    Create a shipping label and obtain label data

  • List Account Tags

    List all tags defined for this account

  • List Carrier Packages

    List package types available for a specific carrier

  • List Carrier Services

    List shipping services available for a specific carrier

  • List Fulfillments

    Retrieve a paginated list of fulfillments

  • List Orders By Tag

    List orders matching a status and a tag

  • List Shipments

    Retrieve a paginated list of shipments

  • Get Shipping Rates

    Retrieve shipping rates for the specified shipping details

  • List Store Marketplaces

    List marketplaces that can be integrated with ShipStation

  • Get Store Refresh Status

    Retrieve the refresh status of a specific store

  • List Users

    Retrieve a list of users in the ShipStation account

  • Remove Tag From Order

    Remove a tag from an order

  • Register Account

    Register a new ShipStation account

  • Mark Order As Shipped

    Mark an order as shipped without creating a label

  • Assign User To Order

    Assign a user to one or more orders

  • Unassign User From Order

    Unassign the user from one or more orders

  • Hold Order Until

    Place an order on hold until a specified date

  • Restore Order From Hold

    Restore an on-hold order to awaiting shipment

  • Void Label

    Void a previously created shipping label

  • Refresh Store

    Initiate a store refresh

  • Deactivate Store

    Deactivate a specific store

  • Reactivate Store

    Reactivate a previously deactivated store

Set Up Your ShipStation MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to ShipStation 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>"
      ]
    }
  }
}

Check More Commerce MCP Servers

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172+ actions

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120+ actions

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All Commerce MCP Servers →

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

ShipStation MCP Server FAQ

Does StackOne have a ShipStation MCP server?
Yes. StackOne offers a hosted ShipStation MCP server with 45 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.
ShipStation MCP server vs direct API integration — what's the difference?
A ShipStation MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling ShipStation. A ShipStation 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 ShipStation at runtime. StackOne provides both.
How does ShipStation authentication work for AI agents?
ShipStation 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 ShipStation account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.
Are ShipStation MCP tools vulnerable to prompt injection?
Yes — ShipStation 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 ShipStation agent and how do I avoid it?
Context bloat happens when ShipStation tool schemas and API responses eat your ShipStation agent's memory, preventing it from reasoning effectively. A single ShipStation 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 ShipStation agent can access?
Yes — you can limit which actions your ShipStation 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 ShipStation MCP server?
Yes — you can create custom agent actions for your ShipStation MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research ShipStation's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a ShipStation MCP server?
Skip a ShipStation MCP server if your integration is purely software-to-software — direct ShipStation 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 ShipStation actions at runtime.
What AI frameworks and AI clients does the StackOne ShipStation MCP server support?
The StackOne ShipStation 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.

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