You've been using Claude for a while, and you keep noticing two different features mentioned — Projects and Skills. They both sound like ways to make Claude more powerful, and they both require a Pro plan, so you're wondering if they overlap or if you need both. The short answer: they do very different things, and they work best together. Here's the clearest explanation we can give.
The One-Line Difference
Claude Projects give Claude memory about you and your work. Claude Skills give Claude the ability to take actions in external apps.
Without a Project, Claude forgets everything between conversations. Without Skills, Claude can only respond in text — it can't actually check your email or search the web. Projects solve the memory problem. Skills solve the capability problem. Neither solves the other's problem.
Full Comparison Table
| Feature | Claude Projects | Claude Skills |
|---|---|---|
| What it does | Stores context, instructions, docs across sessions | Connects Claude to external apps and services |
| Memory | Yes — persistent across conversations | No — doesn't add memory |
| External actions | No — can't take actions in other apps | Yes — reads/writes to connected apps |
| Setup | Create a Project, add instructions and files | Settings → Integrations → Connect |
| Custom instructions | Yes — per-project instructions | No |
| File upload | Yes — persistent across sessions | No |
| Works without the other? | Yes, but Claude re-explains context every session | Yes, but Claude has no persistent context |
| Best used for | Long-running work with recurring context needs | Real-time data access and actions |
| Plan required | Pro or Team | Pro (most) or Free (Web Search, Code) |
What Claude Projects Are
A Claude Project is a dedicated workspace that persists across multiple conversations. Inside a Project, you can upload documents (your brand guidelines, your SOPs, your style guide), write custom instructions ("always respond in bullet points," "my name is Alex, I run a marketing agency"), and have conversations that all share this same context.
When you come back tomorrow, Claude still knows you're Alex, still has access to your uploaded documents, and still follows your custom instructions. No re-explaining. No copy-pasting context every session.
Projects are best for work you do repeatedly over time — writing a book, running a client account, managing an ongoing project. The persistent context is what makes Claude feel less like a tool and more like a colleague who knows your work.
What Claude Skills Are (Recap)
Skills, by contrast, are connections to outside services. Gmail Skill means Claude can read and write your email. Calendar Skill means Claude can check and create calendar events. Web Search means Claude can access the live internet. Each Skill gives Claude a new capability — something it couldn't do before without the connection.
Skills are about what Claude can do, not what Claude remembers. They're enabled globally (from Settings → Integrations) and available in any conversation or Project. For the full rundown, read what Claude Skills are.
Why You Need Both
Here's a concrete example that shows why both matter. Say you're a content creator and you create a Project called "Content Business." In the Project, you upload your content calendar, brand voice guide, and target audience profile.
With only a Project (no Skills): Claude knows your brand and remembers your work — great! But when you ask "what's trending in my industry this week?", Claude can only guess based on training data.
With only Skills (no Project): Claude can search the web and update Notion — great! But every session you have to re-explain who you are, what your brand sounds like, and what project you're working on.
With both: Claude knows your brand (Project), can search the web (Web Search Skill), can update your content calendar in Notion (Notion Skill), and can draft outreach emails (Gmail Skill). That's a genuinely useful AI assistant — not just a capable chatbot.
When to Use a Project Alone
Projects are worth using on their own when you have a well-defined, recurring task where context is the bottleneck — not external data access. Editing a book manuscript, developing a consistent brand voice, tutoring yourself on a complex subject. In these cases, the uploaded documents and persistent instructions carry all the value. Skills are less relevant.
When to Use Skills Alone
Skills are worth using without a Project when you're doing one-off tasks that need real-time data but don't benefit from persistent context. Quick email triage, checking today's schedule, a one-time web search. No need for a Project — just open Claude, use the Skill, get the answer.
Setting Up Projects + Skills Together
To get the full combination working:
- First, enable the Skills you want from Settings → Integrations. They'll be available everywhere.
- Create a new Project from the Claude sidebar. Add your custom instructions and upload any relevant documents.
- Start conversations inside the Project. Your Skills will be available automatically — Claude will use them when relevant or when you ask.
The Skills you enable are global — not per-Project. So if you have Gmail enabled, it's available in all your Projects and regular conversations. You don't need to set up Skills separately for each Project.
Frequently Asked Questions
What is a Claude Project?
A Claude Project is a persistent workspace where Claude remembers context across multiple conversations. You can upload documents, add custom instructions, and have Claude retain knowledge about your specific work — without re-explaining it every session.
Can you use Claude Skills inside a Project?
Yes. Skills you've enabled in Settings → Integrations are available within Claude Projects. A Project gives Claude persistent memory; Skills give Claude the ability to take actions. They work together.
Does a Claude Project replace Skills?
No. Projects and Skills solve different problems. A Project stores context and instructions. A Skill connects Claude to external tools and services. You need both for a fully capable AI assistant experience.
Are Claude Projects available on the free tier?
Claude Projects are available to Pro and Team plan users. Free tier users can have standard conversations but not persistent Projects with uploaded documents and custom instructions.