K2 Study Decks & Algorithm
mcp remote · streamable-http · v1.1.0 · source: crawl
https://k2kanji.com/api/mcp
Study decks for 8 languages plus the K2 spaced-repetition engine, runnable on your items.
Works
100
Verified Oct 31, 2026 · p50 508 ms · p95 583 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'k2kanji.com' |
| tools_listed | 15 | pass | 7 tools |
| schema_complete | 15 | pass | 7 of 7 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 508 ms |
| latency_p95 | 5 | pass | p95 583 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (7)
| Name | Description | Schema |
|---|---|---|
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 re | typed |
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 | typed |
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 `ca | typed |
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 an | typed |
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, full ZBLL, and Roux CMLL (42 cases plus a two-look subset; CMLL a | typed |
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 trajector | typed |
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 wit | typed |
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[](https://app.agent-xm.com/a/com-k2kanji-study)
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