MCP MeasureMCP Measure

インデックス観測済み

Darwin-owned Files

Free offline PDF, XLSX, CSV, ZIP and iCalendar tools. Supplied data; real embedded file bytes.

使うべきか

品質と安全性

B
説明の品質
100%
スキーマの完全性
80%
命名の品質
80%
ポイズニングのリスク
0%
権限の一致
100%
プロトコルへの準拠
100%

検出事項（6）

  • HIGHTool poisoning patterns detected
  • MEDIUMTool description contains URL to non-standard domainmarkdown_to_pdf 内
  • MEDIUMTool description contains URL to non-standard domaincsv_to_xlsx 内
  • MEDIUMTool description contains URL to non-standard domainxlsx_to_csv 内
  • MEDIUMTool description contains URL to non-standard domainzip_text_files 内
  • MEDIUMTool description contains URL to non-standard domainevent_brief_to_ics 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

~1,812トークン数（ツール定義）
~2.8 KB一般的なレスポンスサイズ
注意への影響は中程度（128k コンテキストの 1.42%）

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": {
    "owned-file-mcp": {
      "url": "https://creora.darwin.so/providers/files/mcp"
    }
  }
}

リモートエンドポイント

https://creora.darwin.so/providers/files/mcpstreamable-http

できること

ツール一覧

ツール（5）

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

Render caller-supplied text Markdown to a real downloadable PDF. Headings, paragraphs and lists; Windows-1252 text only. No images, HTML, fetches or external writes. Returns actual inline file bytes and SHA256. Official documentation: https://creora.darwin.so/providers/files/docs

入力スキーマ

{
  "type": "object",
  "properties": {
    "markdown": {
      "type": "string",
      "minLength": 1,
      "maxLength": 131072
    }
  },
  "required": [
    "markdown"
  ],
  "additionalProperties": false
}

出力スキーマ

{
  "type": "object",
  "properties": {
    "artifacts": {
      "type": "array",
      "minItems": 1,
      "maxItems": 16,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "sizeBytes": {
            "type": "integer",
            "minimum": 1,
            "maximum": 262144
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "base64": {
            "type": "string",
            "contentEncoding": "base64"
          }
        },
        "required": [
          "name",
          "mimeType",
          "sizeBytes",
          "sha256",
          "base64"
        ],
        "additionalProperties": false
      }
    },
    "sourceSha256": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-f0-9]{64}$"
      }
    },
    "sheetNames": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "externalWrites": {
      "const": false
    }
  },
  "required": [
    "artifacts",
    "sourceSha256",
    "sheetNames",
    "externalWrites"
  ],
  "additionalProperties": false
}
🟢csv_to_xlsx(csv, numericColumns, totalColumns)

Convert exact caller CSV to a real XLSX spreadsheet with one Data sheet and a SUM totals row. Explicit numericColumns and totalColumns; all other cells are literal strings, never inferred formulas. Returns actual file bytes. Official documentation: https://creora.darwin.so/providers/files/docs

入力スキーマ

{
  "type": "object",
  "properties": {
    "csv": {
      "type": "string",
      "minLength": 1,
      "maxLength": 131072
    },
    "numericColumns": {
      "type": "array",
      "maxItems": 64,
      "uniqueItems": true,
      "items": {
        "type": "string"
      }
    },
    "totalColumns": {
      "type": "array",
      "minItems": 1,
      "maxItems": 64,
      "uniqueItems": true,
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "csv",
    "numericColumns",
    "totalColumns"
  ],
  "additionalProperties": false
}

出力スキーマ

{
  "type": "object",
  "properties": {
    "artifacts": {
      "type": "array",
      "minItems": 1,
      "maxItems": 16,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "sizeBytes": {
            "type": "integer",
            "minimum": 1,
            "maximum": 262144
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "base64": {
            "type": "string",
            "contentEncoding": "base64"
          }
        },
        "required": [
          "name",
          "mimeType",
          "sizeBytes",
          "sha256",
          "base64"
        ],
        "additionalProperties": false
      }
    },
    "sourceSha256": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-f0-9]{64}$"
      }
    },
    "sheetNames": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "externalWrites": {
      "const": false
    }
  },
  "required": [
    "artifacts",
    "sourceSha256",
    "sheetNames",
    "externalWrites"
  ],
  "additionalProperties": false
}
🟢xlsx_to_csv(xlsxBase64)

Extract every sheet from a caller-supplied base64 XLSX into separate genuine UTF-8 CSV files, preserving sheet names in metadata and cell values. Formula values require existing caches; does not execute formulas. Refuses macros, external links and expansion bombs. Official documentation: https://creora.darwin.so/providers/files/docs

入力スキーマ

{
  "type": "object",
  "properties": {
    "xlsxBase64": {
      "type": "string",
      "minLength": 1,
      "maxLength": 174764
    }
  },
  "required": [
    "xlsxBase64"
  ],
  "additionalProperties": false
}

出力スキーマ

{
  "type": "object",
  "properties": {
    "artifacts": {
      "type": "array",
      "minItems": 1,
      "maxItems": 16,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "sizeBytes": {
            "type": "integer",
            "minimum": 1,
            "maximum": 262144
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "base64": {
            "type": "string",
            "contentEncoding": "base64"
          }
        },
        "required": [
          "name",
          "mimeType",
          "sizeBytes",
          "sha256",
          "base64"
        ],
        "additionalProperties": false
      }
    },
    "sourceSha256": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-f0-9]{64}$"
      }
    },
    "sheetNames": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "externalWrites": {
      "const": false
    }
  },
  "required": [
    "artifacts",
    "sourceSha256",
    "sheetNames",
    "externalWrites"
  ],
  "additionalProperties": false
}
🟢zip_text_files(files)

Create an exact ZIP of caller-supplied named UTF-8 texts. Preserves bytes and nested safe paths; rejects traversal, duplicate/colliding names and excessive data. No external files or fetches. Official documentation: https://creora.darwin.so/providers/files/docs

入力スキーマ

{
  "type": "object",
  "properties": {
    "files": {
      "type": "array",
      "minItems": 1,
      "maxItems": 32,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 160
          },
          "text": {
            "type": "string",
            "minLength": 1,
            "maxLength": 131072
          }
        },
        "required": [
          "name",
          "text"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "files"
  ],
  "additionalProperties": false
}

出力スキーマ

{
  "type": "object",
  "properties": {
    "artifacts": {
      "type": "array",
      "minItems": 1,
      "maxItems": 16,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "sizeBytes": {
            "type": "integer",
            "minimum": 1,
            "maximum": 262144
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "base64": {
            "type": "string",
            "contentEncoding": "base64"
          }
        },
        "required": [
          "name",
          "mimeType",
          "sizeBytes",
          "sha256",
          "base64"
        ],
        "additionalProperties": false
      }
    },
    "sourceSha256": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-f0-9]{64}$"
      }
    },
    "sheetNames": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "externalWrites": {
      "const": false
    }
  },
  "required": [
    "artifacts",
    "sourceSha256",
    "sheetNames",
    "externalWrites"
  ],
  "additionalProperties": false
}
🟢event_brief_to_ics(eventBrief, createdAt)

Create a real iCalendar file from a brief with Start: YYYY-MM-DD HH:MM IANA/Zone, Duration: N minutes, Title: text, optionally preceded by a Markdown heading. Resolves timezone to UTC; refuses ambiguous/nonexistent DST times. createdAt must be UTC ISO seconds. Does not add any calendar event. Official documentation: https://creora.darwin.so/providers/files/docs

入力スキーマ

{
  "type": "object",
  "properties": {
    "eventBrief": {
      "type": "string",
      "minLength": 1,
      "maxLength": 131072
    },
    "createdAt": {
      "type": "string",
      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z$"
    }
  },
  "required": [
    "eventBrief",
    "createdAt"
  ],
  "additionalProperties": false
}

出力スキーマ

{
  "type": "object",
  "properties": {
    "artifacts": {
      "type": "array",
      "minItems": 1,
      "maxItems": 16,
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "sizeBytes": {
            "type": "integer",
            "minimum": 1,
            "maximum": 262144
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "base64": {
            "type": "string",
            "contentEncoding": "base64"
          }
        },
        "required": [
          "name",
          "mimeType",
          "sizeBytes",
          "sha256",
          "base64"
        ],
        "additionalProperties": false
      }
    },
    "sourceSha256": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-f0-9]{64}$"
      }
    },
    "sheetNames": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "externalWrites": {
      "const": false
    }
  },
  "required": [
    "artifacts",
    "sourceSha256",
    "sheetNames",
    "externalWrites"
  ],
  "additionalProperties": false
}

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