{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-05T16:27:27.702Z","url":"https://verifymcp.io/servers/keith-cy-japaneseskills-mcp/japaneseskills","markdownUrl":"https://verifymcp.io/servers/keith-cy-japaneseskills-mcp/japaneseskills.md","server":{"slug":"keith-cy-japaneseskills-mcp","name":"Japanese Skills · 言の葉","registryName":"io.github.Keith-CY/japaneseskills-mcp","description":"Japanese words with pitch accent and conjugation, kanji and grammar for JLPT learners.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"japaneseskills","type":"remote","identifier":"https://japaneseskills.com/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/keith-cy-japaneseskills-mcp/japaneseskills","version":"1.0.0","transport":null,"scoredAt":"2026-11-05T05:09:58.516Z"},"score":{"total":76,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":76},{"date":"2026-11-04","total":75},{"date":"2026-11-03","total":75},{"date":"2026-11-02","total":74},{"date":"2026-11-01","total":74},{"date":"2026-10-31","total":73},{"date":"2026-10-30","total":73},{"date":"2026-10-29","total":73},{"date":"2026-10-28","total":72},{"date":"2026-10-27","total":72},{"date":"2026-10-26","total":71}]},"categories":[{"name":"Endpoint Security","score":74,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS is enforced; there's no plaintext access path.","HSTS check failed: the Strict-Transport-Security header is absent.","DNSSEC check failed: this domain isn't protected by DNSSEC."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.enforced","args":{}},{"code":"headers.hsts_absent","args":{}},{"code":"dnssec.absent","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":75,"verdict":"fail","reasons":["100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).","AI-judged instruction clarity (excellent).","Context-footprint check failed: tool/resource definitions use about 1558 tokens (~311/item across 5 items; 4 tools + 1 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.descriptions","args":{"pct":"100"}},{"code":"schema.ai_quality","args":{"band":"excellent"}},{"code":"schema.footprint_heavy","args":{"avg":"311","items":"5","tools":"4","tokens":"1558","resources":"1"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":33,"verdict":"partial","reasons":["Stability observed for 10 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"10"}}]},{"name":"Tool Coverage","score":100,"verdict":"pass","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","100% of tool parameters carry a description.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}},{"code":"toolquality.output_present","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"4"}},{"code":"toolsafety.manipulation_clean","args":{"units":"6","judged":"6"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a current MCP spec version (2026-07-28).","Supports UI / widget rendering."],"codes":[{"code":"protocol.current","args":{"version":"2026-07-28"}},{"code":"cap.ui_supported","args":{}}]}],"inconclusive":[],"malware":[],"components":[{"slug":"japaneseskills","type":"remote","identifier":"https://japaneseskills.com/mcp","withdrawn":false,"score":76,"current":true,"url":"https://verifymcp.io/servers/keith-cy-japaneseskills-mcp/japaneseskills","markdownUrl":"https://verifymcp.io/servers/keith-cy-japaneseskills-mcp/japaneseskills.md"}],"facts":[{"label":"Endpoint","value":"https://japaneseskills.com/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"lookup_word","title":"Look up a Japanese word","description":"Use this when the user asks about a Japanese word: what it means, how to read or pronounce it, its pitch accent, whether it is a godan or ichidan verb, how to conjugate it (te-form, past, polite, potential…), or how to say something in Japanese. Searches the 9,040 JLPT words (N5–N1) of Japanese Skills · 言の葉 by the word in kanji or kana (食べる, たべる), romaji (taberu), or a meaning in English, Chinese or Korean (eat, 吃, 먹다). Each result has the reading, JLPT level, the meaning in the user’s language, the pitch accent (accent number, type and H/L pattern), the word class and conjugation table where the site has one, an example sentence with its translation where the site has one, recordings in two voices where available, and the word’s page. Shows a word card in chats that display app UI. Returns no results when the word is not in the list. Not for translating whole sentences.","inputs":[{"name":"lang","type":"string","required":false,"description":"The user’s language for meanings, labels and links: zh-Hans (Simplified Chinese), zh-Hant (Traditional Chinese), en (English) or ko (Korean). Other languages: en. Default: guessed from the query."},{"name":"level","type":"string","required":false,"description":"Only this JLPT level."},{"name":"limit","type":"integer","required":false,"description":"How many matches to return at most."},{"name":"query","type":"string","required":true,"description":"One word: Japanese (食べる, たべる, タベル), romaji (taberu), or a meaning in the user’s language (eat, 吃, 먹다)."}],"outputs":[{"name":"credit","type":"string","required":false,"description":null},{"name":"lang","type":"string","required":true,"description":null},{"name":"query","type":"string","required":true,"description":null},{"name":"results","type":"array","required":true,"description":null},{"name":"site","type":"string","required":false,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":358},{"name":"lookup_kanji","title":"Words that use a kanji","description":"Use this when the user asks about a kanji (a Chinese character used in Japanese): which JLPT words use it and how it is read in them, at which JLPT level it first appears, or where to learn it. For each kanji given (up to five), lists the words in the site’s JLPT word list that contain it, easiest level first, with reading, level and meaning in the user’s language; how many words use it and the lowest level among them; and the site’s kanji lessons that teach it (title, link, and whether each is free or needs a subscription or pass). Gives no on’yomi/kun’yomi table or stroke order: the readings are those of the words.","inputs":[{"name":"kanji","type":"string","required":true,"description":"One to five kanji, e.g. \"生\" or \"日本\"."},{"name":"lang","type":"string","required":false,"description":"The user’s language for meanings, labels and links: zh-Hans (Simplified Chinese), zh-Hant (Traditional Chinese), en (English) or ko (Korean). Other languages: en. Default: guessed from the query."},{"name":"limit","type":"integer","required":false,"description":"How many words to list per kanji at most."}],"outputs":[{"name":"credit","type":"string","required":false,"description":null},{"name":"kanji","type":"string","required":true,"description":null},{"name":"lang","type":"string","required":true,"description":null},{"name":"results","type":"array","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":253},{"name":"find_grammar","title":"Find a Japanese grammar point","description":"Use this when the user asks about a Japanese grammar pattern or particle (〜てもいい, ために, ば vs たら, は and が), what it means, how it is used, an example of it, or how to say something with a pattern. Searches the site’s 828 grammar points (N5–N1) by the pattern in Japanese or romaji, or by its meaning in the user’s language. Each result has the pattern, JLPT level, meaning in the user’s language, an example sentence with translation, a recording of the example where available, and the grammar page; plus the site’s course lessons whose titles match, with links and whether each is free or needs a subscription or pass.","inputs":[{"name":"lang","type":"string","required":false,"description":"The user’s language for meanings, labels and links: zh-Hans (Simplified Chinese), zh-Hant (Traditional Chinese), en (English) or ko (Korean). Other languages: en. Default: guessed from the query."},{"name":"level","type":"string","required":false,"description":"Only this JLPT level."},{"name":"limit","type":"integer","required":false,"description":"How many grammar points to return at most."},{"name":"query","type":"string","required":true,"description":"The pattern (てもいい, 〜ために, te mo ii) or what it expresses in the user’s language (permission, “in order to”, 为了)."}],"outputs":[{"name":"lang","type":"string","required":true,"description":null},{"name":"lessons","type":"array","required":true,"description":null},{"name":"query","type":"string","required":true,"description":null},{"name":"results","type":"array","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":281},{"name":"list_courses","title":"JLPT levels and courses","description":"Use this when the user asks how to study Japanese or prepare for a JLPT level with Japanese Skills · 言の葉, or what study material the site has. 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Default: guessed from the query."}],"outputs":[{"name":"course","type":"object","required":false,"description":"With course: that course and its lessons"},{"name":"courses","type":"array","required":false,"description":null},{"name":"coursesUrl","type":"string","required":false,"description":null},{"name":"jlpt","type":"array","required":false,"description":null},{"name":"lang","type":"string","required":true,"description":null},{"name":"library","type":"array","required":false,"description":null},{"name":"studyRoute","type":"string","required":false,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":202}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T05:09:58.000Z","track":"remote","endpoint":"https://japaneseskills.com/mcp","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 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