{
  "schema_version": "v1",
  "tools": [
    {
      "name": "bash",
      "description": "Execute a bash command in an isolated directory.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "command": {
            "description": "The bash command to execute",
            "type": "string"
          },
          "timeout_seconds": {
            "anyOf": [
              {
                "maximum": 1800,
                "minimum": 1,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Timeout in seconds (default 120, max 1800)"
          }
        },
        "required": [
          "command"
        ],
        "type": "object"
      }
    },
    {
      "name": "echo",
      "description": "Echoes a message",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "message": {
            "description": "The message to echo",
            "type": "string"
          }
        },
        "required": [
          "message"
        ],
        "type": "object"
      }
    },
    {
      "name": "export_state",
      "description": "Export the full core state as JSON.\n\nRound-trips with import_state. State is keyed by snake_case entity-class\nname (e.g. ``project``, ``employee``, ``slack_message``).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      }
    },
    {
      "name": "import_state",
      "description": "Replace the full core state with the provided JSON.\n\nFor synthetic-data injection and test setup. Round-trips with export_state.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "state": {
            "additionalProperties": true,
            "description": "Empty state \u2014 core has no DB to snapshot.",
            "properties": {},
            "type": "object"
          }
        },
        "required": [
          "state"
        ],
        "type": "object"
      }
    },
    {
      "name": "listFiles",
      "description": "List files and subdirectories in a directory inside the sandbox.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "directory": {
            "default": ".",
            "description": "Directory to list, relative to the sandbox root. Use /workdir/ prefix or an absolute path within the sandbox to be explicit. Defaults to the sandbox root.",
            "type": "string"
          }
        },
        "type": "object"
      }
    },
    {
      "name": "prepareGradingContext",
      "description": "Prepare the text_for_grading string for rubric evaluation.\n\nCollects file evidence from the sandbox, formats as XML,\nand prepends to the agent's final_output.\n\nArgs:\n    final_output: The agent's final response text.\n    directory: Root directory to search. Defaults to the sandbox directory.\n    extensions: Only include files with these extensions (without dot).\n    exclude_patterns: Directory/file name patterns to skip.\n    max_files: Maximum number of files to include as evidence. Eligible files\n        beyond this cap are omitted but reported (logged and listed in the\n        XML under <files_omitted_due_to_max_files>) rather than dropped\n        silently. Defaults to DEFAULT_MAX_FILES.\n    max_content_bytes: Maximum bytes of content to read per file.\n\nReturns:\n    The assembled text_for_grading string.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "final_output": {
            "type": "string"
          },
          "directory": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "extensions": {
            "anyOf": [
              {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "exclude_patterns": {
            "anyOf": [
              {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "max_files": {
            "default": 100,
            "type": "integer"
          },
          "max_content_bytes": {
            "default": 250000,
            "type": "integer"
          }
        },
        "required": [
          "final_output"
        ],
        "type": "object"
      }
    },
    {
      "name": "readFile",
      "description": "Read a file from the sandbox, with optional offset/limit (bytes) for paginating large files.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "file_path": {
            "description": "Path to the file. Use /workdir/ prefix for sandbox files, or an absolute path within the sandbox.",
            "type": "string"
          },
          "offset": {
            "default": 0,
            "description": "Byte offset to start reading from. Use 0 for the beginning or a previous call's next_offset to continue.",
            "minimum": 0,
            "type": "integer"
          },
          "limit": {
            "anyOf": [
              {
                "minimum": 1,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ],
            "default": 200000,
            "description": "Maximum number of bytes to read. Defaults to 200000. Pass null to read from offset to end of file."
          }
        },
        "required": [
          "file_path"
        ],
        "type": "object"
      }
    },
    {
      "name": "readMedia",
      "description": "Read an image, PDF, audio, or video file and return it as multimodal MCP content (base64-encoded, capped at 20 MiB; images auto-resized to model limits, large PDFs read in page ranges).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "file_path": {
            "description": "Path to an image (gif/jpeg/png/webp), PDF, audio (wav/mp3/aiff/aac/ogg/flac), or video (mp4/mpeg/mov/avi/flv/webm/wmv/3gpp) file. Use /workdir/ prefix for sandbox files, or an absolute path within the sandbox. Returns multimodal MCP content; images are automatically downscaled/re-encoded to fit model limits (max 2000px on the long edge). Audio/video require a model with native audio/video support (e.g. Gemini) \u2014 other models see only a text placeholder. Use readFile for text and readPDF for PDF text extraction.",
            "type": "string"
          },
          "pages": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "PDF page range to read, 1-indexed, e.g. '3' or '1-10' (max 20 pages per read). Required for PDFs over 20 pages or 10 MiB. Ignored for images."
          }
        },
        "required": [
          "file_path"
        ],
        "type": "object"
      }
    },
    {
      "name": "readPDF",
      "description": "Extract text from a PDF file inside the sandbox.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "file_path": {
            "type": "string"
          }
        },
        "required": [
          "file_path"
        ],
        "type": "object"
      }
    },
    {
      "name": "writeFile",
      "description": "Write content to a file in an isolated sandbox.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "file_path": {
            "type": "string"
          },
          "content": {
            "type": "string"
          }
        },
        "required": [
          "file_path",
          "content"
        ],
        "type": "object"
      }
    }
  ],
  "toolsets": {
    "read": [
      "echo",
      "listFiles",
      "readFile",
      "readPDF"
    ],
    "read_multimodal": [
      "echo",
      "listFiles",
      "readFile",
      "readMedia",
      "readPDF"
    ],
    "write": [
      "bash",
      "writeFile"
    ],
    "debug": [
      "bash",
      "echo"
    ],
    "ds_all": [
      "bash",
      "listFiles",
      "readFile",
      "readPDF",
      "writeFile"
    ],
    "state": [
      "export_state",
      "import_state"
    ],
    "grading": [
      "prepareGradingContext"
    ]
  }
}