MCP Tutorial for Beginners: Add Your First Claude Connector

June 2026 · 7 min read

If you've used Claude for a while, you've probably noticed the word "MCP" appearing more often — in the settings, in developer discussions, in app stores like Smithery or PulseMCP. But what is it, and do you actually need it?

Short answer: MCP is how Claude gets external capabilities. It's the mechanism that lets Claude save notes, search databases, call APIs, and do anything beyond generating text in a window. You don't need to build anything — most MCP servers are already hosted. You just paste a URL.

What MCP stands for (and what it does)

MCP is the Model Context Protocol, an open standard created by Anthropic. It defines how Claude communicates with external services — what tools are available, how to call them, and what they return.

Think of it like a plugin system, but standardized. Before MCP, every AI tool had its own way of connecting to external systems. MCP makes it consistent: one URL, a shared protocol, works with any compatible client.

When you add an MCP server to Claude:

Claude sees what tools the server offers (e.g., save_note, search, remember)
During a conversation, Claude can call those tools when they're relevant
The server runs externally — Claude sends a request, the server responds with data

From your side, it looks like Claude suddenly "knows" things or "can do" things it couldn't before. From the technical side, it's making structured API calls to a service you've connected.

Remote vs local MCP servers

There are two kinds:

Remote (hosted) MCP servers run on someone else's infrastructure. You get a URL like https://server.example.com/mcp. No setup required. This is what most people use.

Local MCP servers run on your own machine, usually via Claude Desktop. They can access your filesystem, local apps, databases. More powerful, more setup. Not what this guide covers.

For most use cases — memory, notes, search, light data storage — a remote MCP server is the right starting point.

How to add an MCP server in Claude (step by step)

Step 1. In Claude, go to Settings → Connectors (or look for "Integrations" in the menu — the exact label has changed a few times).

Step 2. Click Add connector (or the + button).

Step 3. Paste the MCP server URL into the field. It looks like: https://server.example.com/mcp

Step 4. Click Connect. Claude will authenticate (often via Google OAuth) and confirm the connection.

Step 5. In a new conversation, the server's tools will be available. Claude may use them automatically, or you can ask: "Use the [server name] connector to …"

That's it. No code, no terminal, no configuration file.

What can MCP servers do?

The range is wide. Here are some real categories:

Memory / notes — Store things Claude should remember across conversations. Look up facts you've saved before.
Search — Full-text search across a database you've built. Faster and cheaper than giving Claude a huge document dump.
Databases / spreadsheets — Query your own data. Claude can filter, summarise, or build on structured records.
Productivity tools — Connect to your calendar, task manager, code repo. Claude can read and write when you give it permission.
APIs — Anything with a REST API can be wrapped in MCP. Weather, stocks, internal company data, custom tools.

Your first useful MCP server

For beginners, a memory or context server is the fastest way to see MCP's value. Here's why:

The setup is a paste and a click
The benefit is immediately obvious — Claude stops forgetting who you are
You don't need to build or configure anything

Stash is a hosted MCP server purpose-built for this. You get tools like:

context() — load your standing context (role, projects, preferences)
remember(key, value) — save a fact
recall(query) — search your stored records
add(collection, records) — build structured lists (contacts, tasks, notes)

A typical first session:

You: "I just added Stash as a connector. Set up my context —
      I'm a freelance designer, mainly web + brand work, based in Bristol."

Claude: [calls remember()] "Done. I've saved your context in Stash.
      From now on, use 'Load my context' at the start of a conversation
      and I'll know your background without you having to explain it again."

Every conversation after that:

You: "Load my context."
Claude: "You're a freelance web and brand designer in Bristol.
      Anything new I should know before we start?"

Common questions

Do I need a developer account to use MCP?
No. Remote MCP servers are end-user products. You sign up, get a URL, paste it in. No code involved.

Is my data safe?
Depends on the server. For Stash: your data lives in a dedicated per-account store on industry-secure servers, authenticated via Google OAuth. Claude can only access data tied to your account.

Can I use multiple MCP servers at once?
Yes. Claude can have several connectors active simultaneously and call any of them within a conversation.

Can MCP servers do things I don't want?
Claude will always tell you when it's calling a tool — you can see the call in the interface. You can remove a connector at any time from Settings → Connectors.

Where to find MCP servers

A few directories worth bookmarking:

Smithery.ai — curated registry of remote MCP servers
PulseMCP — search by category or use case
awesome-mcp-servers on GitHub — community list, mostly local/self-hosted

Add your first MCP server — free

Stash gives Claude persistent memory and a searchable record store. Sign up at stashlite.com, get your connector URL, paste it into Claude's connector settings.

Connector URL: https://app.stashlite.com/mcp

Stash is a new service. Free tier: 2,500 records / 50 queries per month. Pricing may change; cancel anytime.