OpenCidian: open Chinese ↔ Vietnamese dictionary (Hán Việt, pinyin, character breakdown)

Connect Remote server

claude mcp add --transport http opencidian https://opencidian-mcp.perxel.com/mcp

{
  "mcpServers": {
    "opencidian": {
      "url": "https://opencidian-mcp.perxel.com/mcp"
    }
  }
}

{
  "servers": {
    "opencidian": {
      "type": "http",
      "url": "https://opencidian-mcp.perxel.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://opencidian-mcp.perxel.com/mcp

Tools 7 found in our last check

• lookup

  Dictionary entries for a Chinese word, a pinyin syllable or a Vietnamese word: simplified and traditional forms, pinyin, Hán Việt per character (Thiều Chửu), Vietnamese senses (CVDICT), English senses (CC-CEDICT), HSK level. Every field carries `src`, the source it came from. `k…

• get_character

  Everything known about one character: Hán Việt readings (Thiều Chửu first, Unihan when Thiều Chửu has none), pinyin readings, a short English gloss, stroke count, radical, its parts (decomposition) and how it was formed (etymology: the meaning part and the sound part, each with…

• words_with

  Words of two characters or more that contain a character (simplified or traditional), HSK words first, then shorter words. Each comes as a full entry: pinyin, Hán Việt, Vietnamese and English senses, HSK level, `src` per field.

• search_meaning

  Vietnamese or English → Chinese: entries whose Vietnamese (CVDICT) or English (CC-CEDICT) senses match the meaning, HSK words first. These are candidates, not one translation: compare their senses and HSK levels before picking one, and say when several fit.

• annotate_text

  Splits Chinese text into words (longest match against the dictionary) and gives each its pinyin, Hán Việt per character, Vietnamese and English senses and entry `id`. `kind` is word, unknown (Chinese not in the dictionary: say so) or other (punctuation, Latin, digits). `otherRea…

• suggest_correction

  Sends a correction for a wrong or missing value (Hán Việt, Vietnamese meaning, English, pinyin, a missing word) as a public GitHub issue in OpenCidian/opencidian-data; a maintainer reviews it, nothing changes in the data until then. Returns the issue number and link. Only use it…

• about

  The dataset's version and build date, its licence (CC BY-SA 4.0), the full attribution to quote when reusing it, and every source with its pinned version and licence (CC-CEDICT, CVDICT, Thiều Chửu, Unihan, Make Me a Hanzi, the HSK lists). Use it to say where an answer comes from…

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