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K2 Study Decks & Algorithm

MCP server · hosted · v1.1.0 · com.k2kanji/study
Online · tested 1h agoNEW · 1h agoSeen in the registry 56m ago

Study decks for 8 languages plus the K2 spaced-repetition engine, runnable on your items.

Website ↗How to connect ↓

What it does

K2 Study Decks & Algorithm is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence) and are not a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version1.1.0
PriceNot in the registry
First seen23 Oct 2026
Last checked56m ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 1h ago (live check)

Hosted endpoint

  • https://k2kanji.com/api/mcp streamable-http

In Claude Code: claude mcp add --transport http k2-study-decks-algorithm https://k2kanji.com/api/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "k2-study-decks-algorithm": {
      "url": "https://k2kanji.com/api/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 1h ago

ONLINE K2 Study Decks & Algorithm answered an MCP connection on 23 Oct 2026 and introduced itself as k2kanji.com 1.1.0 (MCP protocol 2025-06-18).

7 tools offered to AI assistants

  • list_decks · The catalog of K2 study decks: eight curated datasets spanning Japanese kanji and vocabulary, HSK Chinese, Korean Hangul, Spanish, French, classical Latin and medical Latin. Returns each deck id (the value other tools take), what it teaches
  • search_deck · Search one deck. `query` substring-matches the term, its reading/pronunciation, its English meanings, and its category, so "bone" finds entries glossed as bone and "ㄱ" finds that jamo. Narrow with `category` (exact, from list_decks) or `dif
  • get_entry · One deck entry in full, matched on the exact term (the kanji, hanzi, jamo, or word itself). Case-insensitive. Returns every field the deck carries, including the deck-specific extras: stroke counts and JLPT level for kanji, component kanji
  • get_cube_algorithms · Rubik's cube last-layer algorithm sets used by the K2 cube trainer: full OLL (57 cases), full PLL (21), the two-look beginner subsets, and full ZBLL. Each case returns its primary algorithm plus alternates, with sources and finger-trick not
  • explain_k2_algorithm · The K2 spaced-repetition engine, described. K2 stores no review dates: each item holds a probability p that halves on a correct answer and doubles on a wrong one, and items are drawn by Monte Carlo rejection sampling, so the pool self-organ
  • simulate_k2_session · Run the real K2 engine over your own items. Give it a list of terms (any strings — your flashcards, cube cases, anything), a study mode, and a sequence of answers, and it returns the p-value trajectory per answer, which items are now master
  • get_site_info · What K2 is, which apps it runs, what this server does and does not expose, and every machine-readable surface. Also returns the full capability map — every tool, prompt, and resource — so a client with a stale or tools-only roster can still

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://k2kanji.com/api/mcpDECLAREDSRC-001 Official MCP Registry56m ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry56m ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry56m ago
Websitehttps://k2kanji.comDECLAREDSRC-001 Official MCP Registry56m ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry56m ago
Version1.1.0DECLAREDSRC-001 Official MCP Registry56m ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry56m ago

Change history

  • NEW23 Oct 2026
    first seen in the index

Is this page accurate?

Flag it and our robot re-checks the official source. Reports never change a score.

Questions about K2 Study Decks & Algorithm

How do I connect K2 Study Decks & Algorithm?

Use the hosted endpoint https://k2kanji.com/api/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does K2 Study Decks & Algorithm offer?

When Electra Index connected on 23 Oct 2026, it listed 7 tools: list_decks, search_deck, get_entry, get_cube_algorithms, explain_k2_algorithm, simulate_k2_session, get_site_info. The full list is in "Live check" above.

Is K2 Study Decks & Algorithm online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 1h ago.