What Is MCP?
MCP (Model Context Protocol): MCP (Model Context Protocol) is an open standard for connecting AI apps to outside tools and data, so an assistant like Claude or ChatGPT can read files, check a calendar or act in another service through one common kind of connection. Its official site compares it to a USB-C port for AI.
The Problem It Solves
Before MCP, every AI app needed its own custom connection to every service. MCP sets one shared way to do it: a service publishes a connector, called an MCP server, and any AI app that speaks MCP can use it. Anthropic introduced it in late 2024 as open source.
Who Uses It
The official documentation lists support in Claude, ChatGPT, Visual Studio Code, Cursor and many other tools. For most business owners, MCP shows up as a “connectors” or “add an app” option inside an AI app, not something you set up by hand.
Who Looks After It
In December 2025 Anthropic gave MCP to the Agentic AI Foundation, a fund under the nonprofit Linux Foundation co-founded by Anthropic, Block and OpenAI. That keeps it a shared standard rather than one company’s product.
What It Doesn’t Do
MCP is plumbing, not a safety system. A connector can reach whatever the account behind it can reach, and the AI still decides when to use it. OWASP’s security guidance for AI agents warns against connectors with too much access and says to give each one only what it needs.
When An App Has No Connector
Many apps small businesses rely on, like booking systems, supplier portals and older industry software, have no MCP connector. An agent can still work in those through a web browser, the same way you do, signed in with your account.
Worth Remembering
- MCP is an open standard, not a product you buy.
- It gives AI apps one common way to plug into tools and data.
- An MCP server is the connector a service publishes.
- Access through a connector still needs limits and approvals.
- Apps without a connector can still be used through a browser.
In Octopus Prime
Octopus Prime agents don’t need a connector for each app. Each agent works in your apps through its own browser, signed in with your own login from the Vault, so it can use the same web apps you do. You connect an app once at Settings › Connections and choose which agents may use it.
From $10/month 30 days free No credit card
Questions
Do I need to understand MCP to use AI agents?
No. It matters most to the people who build AI apps. As a user you mostly see it as a list of apps you can connect.
Is MCP safe?
The standard is just a way to connect. Safety depends on what access you grant, who made the connector, and whether risky actions wait for your approval.
Who owns MCP?
Anthropic created it and donated it to the Agentic AI Foundation under the Linux Foundation. Companies including OpenAI, Google and Microsoft support that foundation.
What’s the difference between MCP and an AI agent?
An agent is the worker; MCP is one way to hand it tools. An agent can also work through a browser, which needs no connector.
AI agents that work in your apps. On computers you own.
From $10/month 30 days free No credit card
