MCP MeasureMCP Measure

インデックス観測済み

Research papers

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

使うべきか

品質と安全性

A
説明の品質
89%
スキーマの完全性
97%
命名の品質
63%
ポイズニングのリスク
100%
権限の一致
100%
プロトコルへの準拠
100%

検出事項（21）

  • LOWTool 'pubmed__pmc-search' doesn't follow camelCase/snake_casepubmed__pmc-search 内
  • LOWTool 'pubmed__clinical-trials-search' doesn't follow camelCase/snake_casepubmed__clinical-trials-search 内
  • LOWTool 'ror__external-id' doesn't follow camelCase/snake_caseror__external-id 内
  • LOWTool 'scholarly__works-search' doesn't follow camelCase/snake_casescholarly__works-search 内
  • LOWTool 'scholarly__authors-search' doesn't follow camelCase/snake_casescholarly__authors-search 内
  • LOWTool 'scholarly__institutions-search' doesn't follow camelCase/snake_casescholarly__institutions-search 内
  • LOWTool 'scholarly__sources-search' doesn't follow camelCase/snake_casescholarly__sources-search 内
  • LOWTool 'scholarly__topics-search' doesn't follow camelCase/snake_casescholarly__topics-search 内
  • LOWTool 'scholarly__citing-works' doesn't follow camelCase/snake_casescholarly__citing-works 内
  • LOWTool 'arxiv__recent-cs-ai' doesn't follow camelCase/snake_casearxiv__recent-cs-ai 内

ツール定義とプロトコルへの準拠に関する自動分析に基づいています。

コンテキストコスト

~5,452トークン数（ツール定義）
~709 B一般的なレスポンスサイズ
注意への影響は大きい（128k コンテキストの 4.26%）

これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。

インストール

ワンクリックインストール

これを `claude_desktop_config.json` ファイルに追加してください:

{
  "mcpServers": {
    "research": {
      "url": "https://fourzerotwo.si/mcp/v/research"
    }
  }
}

リモートエンドポイント

https://fourzerotwo.si/mcp/v/researchstreamable-http

できること

ツール一覧

ツール（38）

🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢crossref__doi(doi)

Title, authors, journal, dates, references count and licence for a DOI. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "doi": {
      "type": "string",
      "description": "DOI"
    }
  },
  "required": [
    "doi"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢crossref__search(q)

Bibliographic search across Crossref works. Free within the daily allowance, then $0.003 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Query"
    }
  },
  "required": [
    "q"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢crossref__journal(issn)

Journal title, publisher and DOI counts by ISSN. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "issn": {
      "type": "string",
      "description": "ISSN"
    }
  },
  "required": [
    "issn"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢crossref__funders(q)

Research funders by name, with Funder Registry ids. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Funder"
    }
  },
  "required": [
    "q"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢crossref__members(q)

Crossref member publishers by name. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Publisher"
    }
  },
  "required": [
    "q"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢pubmed__search(term)

PubMed ids matching a query (supports PubMed query syntax). A few free samples a day, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "term": {
      "type": "string",
      "description": "Query"
    }
  },
  "required": [
    "term"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢pubmed__summary(id)

Title, authors, journal, date and DOI for comma-separated PubMed ids. A few free samples a day, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "PMIDs, comma separated"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢pubmed__pmc-search(term)

Free full-text article ids in PubMed Central. A few free samples a day, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "term": {
      "type": "string",
      "description": "Query"
    }
  },
  "required": [
    "term"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢pubmed__clinical-trials-search(term)

PubMed citations that are clinical trial reports for a query. A few free samples a day, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "term": {
      "type": "string",
      "description": "Query with [pt] filter"
    }
  },
  "required": [
    "term"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢ror__search(q, country, type)

Find research organisations by name, acronym or keyword, optionally filtered by country and type. Free within the daily allowance, then $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Name, acronym or keyword"
    },
    "country": {
      "type": "string",
      "description": "2-letter country code"
    },
    "type": {
      "type": "string",
      "description": "education, funder, healthcare, company, archive, nonprofit, government, facility, other"
    }
  },
  "required": [
    "q"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢ror__organisation(id)

Full record: names and aliases, types, status, founding year, location, website, domains, external ids. Free within the daily allowance, then $0.0005 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "ROR id, e.g. 052gg0110 or https://ror.org/052gg0110"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢ror__affiliation(affiliation)

Turn a free-text affiliation (as printed on a paper) into the matching organisation, with ROR's confidence flag and candidates. Free within the daily allowance, then $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "affiliation": {
      "type": "string",
      "description": "Affiliation text"
    }
  },
  "required": [
    "affiliation"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢ror__external-id(id)

Find the organisation for a GRID id, ISNI, Wikidata QID or Crossref Funder ID. Free within the daily allowance, then $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "GRID, ISNI, Wikidata QID or Crossref Funder ID"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢ror__relationships(id)

Parent, child and related organisations of a ROR record. Free within the daily allowance, then $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "ROR id, e.g. 052gg0110 or https://ror.org/052gg0110"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢scholarly__works-search(search)

Full-text search of scholarly works, with citations, authors and open-access links. Free within the daily allowance, then $0.003 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Query"
    }
  },
  "required": [
    "search"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__work(id)

One work by OpenAlex id (W…) or "doi:10.…". Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "OpenAlex id or doi:…"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__authors-search(search)

Researchers by name with h-index, works and citation counts. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Author name"
    }
  },
  "required": [
    "search"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__author(id)

One researcher by OpenAlex id or ORCID. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "OpenAlex id or orcid:…"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__institutions-search(search)

Universities and research institutions with output stats. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Institution"
    }
  },
  "required": [
    "search"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__sources-search(search)

Journals and repositories with impact stats. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Journal"
    }
  },
  "required": [
    "search"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__topics-search(search)

Research topics and fields. Free within the daily allowance, then $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Topic"
    }
  },
  "required": [
    "search"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__autocomplete(q)

Fast title autocomplete across works. Free within the daily allowance, then $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Partial title"
    }
  },
  "required": [
    "q"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢scholarly__citing-works(work)

Works that cite a given OpenAlex work id. Free within the daily allowance, then $0.003 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "work": {
      "type": "string",
      "description": "Filter, e.g. cites:W2919115771"
    }
  },
  "required": [
    "work"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "The source's response as {data, source{name, licence, attribution}}.",
  "additionalProperties": true
}
🟢arxiv__search(q, title, author, category, sort, ...)

Search arXiv by keywords, title, author and/or category; sort by relevance or newest. Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Keywords (all must match)"
    },
    "title": {
      "type": "string",
      "description": "Phrase in the title"
    },
    "author": {
      "type": "string",
      "description": "Author name"
    },
    "category": {
      "type": "string",
      "description": "Category, e.g. cs.CL"
    },
    "sort": {
      "type": "string",
      "description": "relevance (default), submitted or updated"
    },
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 20)"
    },
    "start": {
      "type": "integer",
      "description": "Offset for paging"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__paper(id)

Full metadata for up to 20 arXiv ids: title, authors, abstract, categories, dates, DOI, journal ref, links. Costs $0.001 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "arXiv id(s), comma-separated (e.g. 1706.03762)"
    }
  },
  "required": [
    "id"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent(category, limit)

The newest submissions in any arXiv category. Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "category": {
      "type": "string",
      "description": "Category, e.g. math.PR"
    },
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  },
  "required": [
    "category"
  ]
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-ai(limit)

The newest arXiv submissions in cs.AI (Artificial Intelligence). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-lg(limit)

The newest arXiv submissions in cs.LG (Machine Learning). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-cl(limit)

The newest arXiv submissions in cs.CL (Computation and Language (NLP)). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-cv(limit)

The newest arXiv submissions in cs.CV (Computer Vision). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-cr(limit)

The newest arXiv submissions in cs.CR (Cryptography and Security). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-cs-ro(limit)

The newest arXiv submissions in cs.RO (Robotics). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-stat-ml(limit)

The newest arXiv submissions in stat.ML (Statistics: Machine Learning). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-quant-ph(limit)

The newest arXiv submissions in quant-ph (Quantum Physics). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-astro-ph(limit)

The newest arXiv submissions in astro-ph (Astrophysics). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-q-fin(limit)

The newest arXiv submissions in q-fin (Quantitative Finance). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-econ(limit)

The newest arXiv submissions in econ (Economics). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}
🟢arxiv__recent-q-bio(limit)

The newest arXiv submissions in q-bio (Quantitative Biology). Costs $0.002 USDC per call via x402.

入力スキーマ

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Results, max 50 (default 25)"
    }
  }
}

出力スキーマ

{
  "type": "object",
  "description": "This endpoint's JSON response.",
  "additionalProperties": true
}

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検証済みバージョンは記録されていませんツール 38 件