WO

Word Orb — English vocabulary for reader glossaries

io.github.nicoletterankin/orb-platform

AI-assisted English lexical records. Stored-only batch lookup; coverage and quality vary.

Yes, your AI can use this right now.Answered a live MCP handshake in 254 ms with no sign-in needed and exposes 14 tools.

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URL: https://wordorb.ai/mcp

14 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
lookup_wordsread-only

Retrieve stored AI-assisted English lexical records for a vocabulary list without generating missing words. Free: 1–10 headwords per request and 10 requests/minute; paid: 1–50 headwords. Returns found records, explicit misses and lookup failures. Optional fields and translations vary; review the content. Requires a Word Orb key in the Authorization header; one request counts toward account quota.

lookup_word

Look up one English headword. May generate and cache a missing record using AI. Definitions and optional IPA, etymology and translations are AI-assisted and may be incomplete or incorrect. Use lookup_words when you require stored records only. Requires a Word Orb key; counts toward account quota.

search_wordsread-only

Search stored English headwords or definition text by prefix or fuzzy matching. Returns matching entries, which may be empty. Requires a Word Orb key; counts toward account quota.

get_related_wordsread-only

Retrieve available related-word data for an English headword. Relationships and graph coverage vary; an empty result is valid. Requires a Word Orb key; counts toward account quota.

word_of_the_dayread-only

Retrieve the stored daily word and available fields. The selected word is shared for a given date. No API key is required; this is not a guarantee of content accuracy.

get_lessonread-only

Retrieve an available structured lesson for a day, track and age group. Content availability varies. Requires a Word Orb key; counts toward account quota.

get_quizread-only

Retrieve available quiz questions for a lesson day and track. Content availability varies. Requires a Word Orb key; counts toward account quota.

generate_text

Process supplied text for the selected task. May call AI and return generated content; review the result. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words for stored lexical records only.

check_compliance

Check supplied text for configured content flags and reading-level estimates. This heuristic check is not legal compliance certification. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas.

translate_word

Request a translation for supplied text and a target language. May use stored data or AI generation; language coverage and quality vary. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words to inspect only existing translations.

define_term

Request a definition adapted to the specified age group. May use stored data or AI generation; review the result. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words to avoid generated fallback.

explore_graphread-only

Retrieve existing links between an English headword and lessons or themes. Graph coverage varies; an empty result is valid. Requires a Word Orb key; counts toward account quota.

get_word_imageread-only

Retrieve available image metadata for an English headword. Images and variants are not available for every word. Requires a Word Orb key; counts toward account quota.

search_by_meaning

Search available English word embeddings using a description of a concept. Returns similarity-ranked candidates, not verified answers; embeddings require AI processing. Requires a Word Orb key; counts toward account quota.

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