# MCP tool reference

1 callable tools.

Use tools/call at https://mcp.schedulerzero.com/mcp with the exact tool name and arguments below. The /tools/ paths in this view are documentation identifiers, not HTTP endpoints. Request execution is disabled for this reference.

Inputs are shown for personal API keys (bound) and for OAuth/delegated agents. Output schemas describe MCP structuredContent: native objects pass through; arrays, scalars and null use a data wrapper. Text content retains the native JSON result.

[Connect a client](/mcp/connect) · [Authentication and authorization](/authentication) · [Generated auth guide](/auth.md) · [Download tool catalog](/mcp-catalog.json) · [Agent documentation](/llms.txt)

## list_integration_connections

List every provider connection in the workspace — CRM, outreach, enrichment, scheduling, and workflow connectors — with status and health.

Use to learn which integrations are connected before choosing a provider-specific capability.

The catalog never calls a provider; use the provider's own status capability for live detail.

Scopes: integration:read

Risk: read; confirmation: none; idempotency: none.

### Input schema (personal API key)

```json
{
  "type": "object",
  "properties": {
    "workspaceId": {
      "type": "string",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|[fF]{8}-[fF]{4}-[fF]{4}-[fF]{4}-[fF]{12})$",
      "format": "uuid"
    }
  },
  "required": [
    "workspaceId"
  ],
  "patternProperties": {
    "^(?!(?:workspaceId)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "anyOf": [
      {
        "type": "string",
        "enum": [
          "workspaceId"
        ]
      }
    ]
  }
}
```

### Input schema (OAuth / delegated agent)

```json
{
  "type": "object",
  "properties": {
    "workspaceId": {
      "type": "string",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|[fF]{8}-[fF]{4}-[fF]{4}-[fF]{4}-[fF]{12})$",
      "format": "uuid"
    }
  },
  "required": [
    "workspaceId"
  ],
  "patternProperties": {
    "^(?!(?:workspaceId)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "anyOf": [
      {
        "type": "string",
        "enum": [
          "workspaceId"
        ]
      }
    ]
  }
}
```

### Output schema (structuredContent)

```json
{
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "provider": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9_-]{0,63}$"
          },
          "displayName": {
            "$ref": "#/$defs/ShortText"
          },
          "category": {
            "type": "string",
            "enum": [
              "crm",
              "outreach",
              "enrichment",
              "scheduling",
              "workflow_connector"
            ]
          },
          "status": {
            "anyOf": [
              {
                "type": "string",
                "enum": [
                  "connected",
                  "needs_reauthorization",
                  "disabled",
                  "disconnected"
                ]
              },
              {
                "type": "null"
              }
            ]
          },
          "connectionId": {
            "anyOf": [
              {
                "type": "string",
                "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|[fF]{8}-[fF]{4}-[fF]{4}-[fF]{4}-[fF]{12})$",
                "format": "uuid"
              },
              {
                "type": "null"
              }
            ]
          },
          "label": {
            "anyOf": [
              {
                "$ref": "#/$defs/ShortText"
              },
              {
                "type": "null"
              }
            ]
          },
          "health": {
            "type": "string",
            "enum": [
              "ok",
              "degraded",
              "needs_reauthorization",
              "disconnected",
              "unknown"
            ]
          },
          "capabilities": {
            "type": "array",
            "items": {
              "$ref": "#/$defs/NonEmptyString"
            },
            "maxItems": 20
          },
          "connectedAt": {
            "anyOf": [
              {
                "$ref": "#/$defs/UtcDateTimeEncoded"
              },
              {
                "type": "null"
              }
            ]
          },
          "lastValidatedAt": {
            "anyOf": [
              {
                "$ref": "#/$defs/UtcDateTimeEncoded"
              },
              {
                "type": "null"
              }
            ]
          }
        },
        "required": [
          "provider",
          "displayName",
          "category",
          "status",
          "connectionId",
          "label",
          "health",
          "capabilities",
          "connectedAt",
          "lastValidatedAt"
        ],
        "patternProperties": {
          "^(?!(?:provider|displayName|category|status|connectionId|label|health|capabilities|connectedAt|lastValidatedAt)$)[\\s\\S]*$": false
        },
        "additionalProperties": true,
        "propertyNames": {
          "type": "string",
          "enum": [
            "provider",
            "displayName",
            "category",
            "status",
            "connectionId",
            "label",
            "health",
            "capabilities",
            "connectedAt",
            "lastValidatedAt"
          ]
        }
      },
      "maxItems": 200
    }
  },
  "required": [
    "items"
  ],
  "patternProperties": {
    "^(?!(?:items)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "anyOf": [
      {
        "type": "string",
        "enum": [
          "items"
        ]
      }
    ]
  },
  "$defs": {
    "ShortText": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256
    },
    "NonEmptyString": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4096
    },
    "UtcDateTimeEncoded": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    }
  }
}
```

### Underlying API operations

- `integrationCatalog.list`: `GET /v1/workspaces/:workspaceId/integrations`