Flashcards by Fulin Labs MCP Server

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Flashcards by Fulin Labs is listed as active in the registry but did not answer our last check. It exposes 3 tools. Last commit 2 Nov 2026.

Learn vocabulary from daily life with flashcards, examples, pronunciation and shareable study links.

Uptime history 6 days of history · worst day 0%

6 days agonow

0.0%

Uptime 24h

0 of 92 checks

Tools

read from the server

74 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

Flashcards by Fulin Labs does not always answer

Over the last week it answered 4.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add flashcards --transport http https://flashcard.fulinlabs.com/api/mcp

Settings → Connectors → Add custom connector, then paste this address

https://flashcard.fulinlabs.com/api/mcp

~/.codex/config.toml

[mcp_servers.flashcards]
url = "https://flashcard.fulinlabs.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "flashcards": {
      "url": "https://flashcard.fulinlabs.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "flashcards": {
      "type": "http",
      "url": "https://flashcard.fulinlabs.com/api/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

flashcard

create_flashcard_deck

Use this when the user asks to learn, study, memorize, review, practice, or create flashcards about any topic. Generate the complete deck in this call and open it in the interactive flashcard UI. Act immediately using the existing conversation and source material; infer language and backLanguage yourself. Never ask the user for language codes, tool arguments, or confirmation of an already requested deck. For a request for 50 cards, submit all 50 completed cards in one call. Keep the response brief and let the study UI show the deck. Examples include 'I want to learn about X', 'teach me X with flashcards', and 'Create an HSK3 vocabulary deck about restaurants'. Do not call a separate add-card tool. Do NOT use when the user asks for a direct explanation without study intent, asks to delete or modify an existing deck, or requests an in-conversation quiz without creating a deck.

speak

speak_text

Use this when the flashcard widget requests speech audio for the current card.

website

create_website_deck

Use this when the user explicitly asks to save or share a deck on the website, or chooses Learn on website in the study widget. It sends the supplied deck to Fulin Labs and creates a persistent shareable deck link. Anyone with the link can read the deck. Do not call merely to preview or study a deck. Repeating the call may create another deck.

Endpoints

URL	Transport	State	Latency	Checked
https://flashcard.fulinlabs.com/api/mcp	streamable-http	answering	74 ms	4 min ago

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Flashcards by Fulin Labs — questions

Answers built from our own checks of this server.

What can Flashcards by Fulin Labs do?

It exposes 3 tools, read directly from the server on our last check. Among them: create_flashcard_deck, create_website_deck, speak_text. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Flashcards by Fulin Labs working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 92 checks got a reply (0.0%), average response time 74 ms. The bar chart above shows every period we have measured.

The registry lists Flashcards by Fulin Labs as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect Flashcards by Fulin Labs?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Flashcards by Fulin Labs need an API key?

No. Flashcards by Fulin Labs completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

Is Flashcards by Fulin Labs open source?

We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.