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Productivity

Quizlar

Voice-powered flashcards with spaced repetition from YouTube, PDFs, web or text

Creates and schedules flashcards using spaced repetition (FSRS algorithm) from multiple sources including YouTube videos, PDFs, web pages and text. Includes voice interaction and auto-graded quizzes for study review.

Try asking Muse: "Create flashcards from a YouTube video about biology and quiz me on them using voice"

Working now?
Working, sign-in needed
Worked last 7 days
100% of checks
How to get it
Extra setup
Account
Sign in with your account
Price
Not stated

Source: Found in the official MCP Registry (io.github.quizlar/mcp-server) · First listed September 25, 2026

Last 24 hours

Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.

Is it safe to connect?

What Muse can see: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.

Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.

musedirectory.ai is not part of Meta. More about how Muse handles your information

How to add it to Muse

Quizlar is not in Muse's Connectors list yet, and it needs you to sign in with your Quizlar account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

https://mcp.quizlar.app/mcp/

Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.

Technical details: safety screening, tools, response time and recent checks

Response time at the last check: 70ms. Worked in 100% of checks over 30 days.

Screening · September 25, 2026

Screened, no issues found

MCP handshake
Pass
Requires sign-in (publishes OAuth metadata)
Domain against threat feeds (Cloudflare security DNS)
Pass
mcp.quizlar.app, quizlar.app not flagged
Published packages against the OSV malicious-package database
n/a
No npm or PyPI package published
Hidden instructions or invisible characters in tool text
n/a
Tools are behind sign-in
Inputs asking for passwords, card numbers or seed phrases
n/a
Tools are behind sign-in
Domain and redirects
Pass
No redirects off the domain
AI review of purpose and tool behavior
Pass
No concerns

Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.

Tools

This endpoint requires sign-in before it lists tools, so there is no public tool catalog.

Recent checks

2026-09-28 07:45:46live · HTTP 40170ms
2026-09-28 05:16:01live · HTTP 401599ms
2026-09-28 03:00:56live · HTTP 401120ms
2026-09-28 00:31:15live · HTTP 401982ms
2026-09-27 22:16:04live · HTTP 401494ms
2026-09-27 20:01:07live · HTTP 4011923ms
2026-09-27 17:31:40live · HTTP 401947ms
2026-09-27 15:31:53live · HTTP 401624ms
2026-09-27 13:16:34live · HTTP 4012029ms
2026-09-27 11:01:24live · HTTP 401802ms
2026-09-27 08:31:30live · HTTP 40167ms
2026-09-27 06:16:09live · HTTP 4011295ms

Link

https://mcp.quizlar.app/mcp/

Questions about Quizlar in Muse

How do I connect Quizlar to Muse?

Quizlar is not in Muse's Connectors list yet, and it needs you to sign in with your Quizlar account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Is Quizlar working right now?

At the last check (September 28, 2026, 07:45 UTC) the endpoint was working, sign-in needed, answering in 70ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.

Is Quizlar safe to connect to Muse?

It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.

What can Quizlar do in Muse?

Voice-powered flashcards with spaced repetition from YouTube, PDFs, web or text For example, you could ask Muse: "Create flashcards from a YouTube video about biology and quiz me on them using voice"

Follow Quizlar

Tell me if Quizlar goes down, comes back, or changes its tools
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Is this yours?

This listing was added from public sources (Found in the official MCP Registry (io.github.quizlar/mcp-server)). If you build Quizlar, claim it to correct the details and get your badge.

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Quizlar status badge

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<a href="https://musedirectory.ai/connector/quizlar"><img src="https://musedirectory.ai/badge/quizlar.svg" alt="Quizlar on musedirectory.ai" width="236" height="40"></a>

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