Quizlar

by quizlar

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About

Quizlar is the learning MCP server. It turns whatever source the user brings — a YouTube lecture, a PDF, a URL, a textbook passage, or a pasted block of notes — into flashcards, then runs

Details

Author: quizlar
Downloads: 433
Categories: Other

- Create flashcard decks from YouTube, PDFs, URLs, or text.
- Auto‑graded quizzes with exact‑match → phonetic → LLM grading.
- FSRS spaced repetition tracks real memory state per answer.
- 22 tools mapped 1:1 to learner verbs (ingest, quiz, review, manage).
- Bearer API key and OAuth 2.1 with PKCE authentication.
- Hosted server at mcp.quizlar.app (closed‑source; config repo is MIT).

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below

Plugin Name Quizlar

Command (node, npx, python, etc.)

Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

From the repository

Mint an API key at https://quizlar.app/settings/api-keys (format: sk-qz‑<32 chars>). Then configure your MCP client’s mcpServers to point to https://mcp.quizlar.app/mcp/ with Bearer token authentication. Cursor, Windsurf, Claude Desktop, Cline, and Smithery setup snippets are provided in the README. Windsurf supports Streamable HTTP natively; other clients use mcp-remote as a stdio wrapper.

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "quizlar": {
            "quizlar": {
                "url": "https://mcp.quizlar.app/mcp/",
                "headers": {
                    "Authorization": "Bearer sk-qz-YOUR_API_KEY"
                }
            }
        }
    }
}

McpServers

{
    "quizlar": {
        "url": "https://mcp.quizlar.app/mcp/",
        "headers": {
            "Authorization": "Bearer sk-qz-YOUR_API_KEY"
        }
    }
}

Quizlar MCP Server

Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.

Quizlar's MCP server lets Claude, Cursor, Cline, Windsurf, or any MCP-compatible client:

- Create flashcard decks from YouTube videos, PDFs, web pages, or pasted text
- Run auto-graded quizzes with the same tier-1-exact-match → phonetic → LLM grading pipeline that powers the voice product
- Track memory with FSRS spaced repetition — Quizlar is the scheduler of record, every answer updates real memory state

This repo is the public discovery surface (server.json for the Official MCP Registry + a stdio bundle for clients that need it). The hosted MCP server itself is closed-source and runs at https://mcp.quizlar.app/mcp/.

Listings

- Official MCP Registry — io.github.quizlar/mcp-server v1.0.0
- Smithery — <https://smithery.ai/servers/quizlar/quizlar>

Setup

1. Mint an API key at <https://quizlar.app/settings/api-keys> (format: sk-qz-<32 chars>).
2. Pick your client below and paste the snippet.

Cursor

~/.cursor/mcp.json:

{
  "mcpServers": {
    "quizlar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.quizlar.app/mcp/",
        "--header",
        "Authorization:Bearer ${QUIZLAR_API_KEY}"
      ],
      "env": { "QUIZLAR_API_KEY": "sk-qz-..." }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json — Windsurf supports Streamable HTTP natively, no wrapper needed:

{
  "mcpServers": {
    "quizlar": {
      "serverUrl": "https://mcp.quizlar.app/mcp/",
      "headers": { "Authorization": "Bearer ${QUIZLAR_API_KEY}" }
    }
  }
}

Then export QUIZLAR_API_KEY=sk-qz-... in your shell.

Claude Desktop

Open Settings → Connectors → "Add custom connector":

- Name: Quizlar
- URL: https://mcp.quizlar.app/mcp/
- Add header → Name: Authorization, Value: Bearer sk-qz-...

Or edit claude_desktop_config.json directly using mcp-remote:

{
  "mcpServers": {
    "quizlar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.quizlar.app/mcp/",
        "--header",
        "Authorization:Bearer ${QUIZLAR_API_KEY}"
      ],
      "env": { "QUIZLAR_API_KEY": "sk-qz-..." }
    }
  }
}

Cline

Edit cline_mcp_settings.json (Cline → Settings → MCP Servers → "Edit JSON"):

{
  "mcpServers": {
    "quizlar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.quizlar.app/mcp/",
        "--header",
        "Authorization:Bearer ${QUIZLAR_API_KEY}"
      ],
      "env": { "QUIZLAR_API_KEY": "sk-qz-..." }
    }
  }
}

Detailed steps in llms-install.md.

Smithery

npx -y @smithery/cli@latest install @quizlar/quizlar --client claude

Replace claude with cursor, windsurf, etc. Smithery walks you through pasting your API key.

Tools

22 tools mapped 1:1 to learner verbs:

- Ingest: create_deck_from_youtube, create_deck_from_pdf, create_deck_from_url, create_deck_from_text, import_shared_deck, get_job_status
- Quiz: quiz_me (composite: build + start in one call), start_quiz, next_card, submit_answer, end_quiz
- Review: get_study_recommendations, get_progress, get_streak, get_analytics
- Manage: list_decks, get_deck, update_deck, delete_deck, add_card, update_card, get_user_profile, update_preferences

Auth

Bearer API key (sk-qz-<32 chars>) is the simplest path and works in every client snippet above. Quizlar also exposes full OAuth 2.1 with Dynamic Client Registration + PKCE at https://mcp.quizlar.app/.well-known/oauth-authorization-server for clients that prefer a browser flow.

Links

- App: <https://quizlar.app>
- Issues: <https://github.com/quizlar/mcp-server/issues>
- Stdio bundle source: bundle/ (used to publish to Smithery + any other stdio-only client)

License

MIT for this configuration repo. The hosted MCP server itself is proprietary.

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Details

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Setting up with Highlight

From the repository

Claude Desktop / Cursor

McpServers

Quizlar MCP Server

Listings

Setup

Cursor

Windsurf

Claude Desktop

Cline

Smithery

Tools

Auth

Links

License

Install

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