Yes — you can study with Quizlar without ever leaving Claude or ChatGPT. Quizlar runs a hosted Model Context Protocol (MCP) server, so once you connect it, you can say "quiz me on photosynthesis" right inside the chat and your AI assistant builds a deck, runs a spaced-repetition quiz, grades your spoken or typed answers, and tracks what you're forgetting — all through the same conversation.
This page explains what the integration does, which assistants support it, how to connect it in about two minutes, and what you can ask once it's live.
MCP is an open standard that lets AI assistants call external tools. Quizlar publishes an MCP server at https://mcp.quizlar.app/mcp/ that exposes your decks, quizzes, and FSRS spaced-repetition data as 22 tools your assistant can use on your behalf.
Practically, that means your chat assistant becomes a study coach with memory: it can turn a paragraph, a YouTube video, or your own notes into flashcards, quiz you with active recall, and tell you what's due for review next time — using your real progress, not a guess.
Any MCP-compatible client can connect. The common ones:
| Client | How to connect | Auth |
|---|---|---|
| Claude.ai (web & desktop) | Settings → Connectors → Add custom connector | One-click OAuth sign-in |
| Claude Desktop | Add as a remote MCP server | OAuth or API key |
| ChatGPT | Settings → Connectors (developer/custom connector) | API key (Bearer) |
| Cursor / Cline | Add MCP server in settings | API key (Bearer) |
Because the server is remote and hosted, there's nothing to install or run locally — you point the client at the URL and authenticate.
https://mcp.quizlar.app/mcp/, and complete the one-click sign-in. No API key needed.sk-qz-), add https://mcp.quizlar.app/mcp/ as a remote MCP server, and set the header Authorization: Bearer sk-qz-….You drive everything in plain language. A few examples:
The same decks and progress sync with the Quizlar web and mobile apps, so you can start a deck in Claude and finish a voice quiz on your phone.
The friction in spaced repetition is rarely the reviewing — it's the setup. Making cards is tedious, so people skip it. When your assistant can turn whatever you're already discussing into a deck in one sentence, the cards get made. And because Quizlar uses the FSRS algorithm under the hood, the assistant always knows the right time to test you on each item — the part chat tools can't do on their own.
Yes. Quizlar runs a hosted MCP server, so once you connect it you can say 'quiz me on X' directly in Claude or ChatGPT and the assistant builds a deck, runs a spaced-repetition quiz, grades your answers, and tracks your progress — without leaving the chat.
In Claude.ai or Claude Desktop, open Settings → Connectors → Add custom connector, paste https://mcp.quizlar.app/mcp/, and complete the one-click sign-in. No API key is required for Claude — it uses OAuth.
Generate an API key in Quizlar (Settings → API keys; keys start with sk-qz-), then add https://mcp.quizlar.app/mcp/ as a custom/remote MCP connector in ChatGPT with the header Authorization: Bearer sk-qz-….
No. Quizlar's MCP server is remote and hosted, so there is nothing to download or run locally. You point your assistant at the URL and authenticate.
Yes. Decks and FSRS progress are shared across the MCP integration, the web app, and the mobile app, so you can build a deck in Claude and finish a voice quiz on your phone.
You can connect and use the integration with a free Quizlar account. Usage follows the same plan limits as the rest of Quizlar.