Omnara

Create machine pool

pools_create

Creates a machine pool in the organization. The body carries the pool name, the provider (arker, blaxel, boxd, createos, daytona, e2b, freestyle, modal, superserve, tenki, or unikraft), the provider auth secret, default machine settings, and the per-machine and total CPU, memory, and machine-count limits the provider supports; the required fields depend on the provider. See the createMachinePool operation in the Omnara API reference at https://docs.omnara.com/api-reference for the full request schema.

Input Schema

Name	Required	Description	Default
`body`	Yes	Pool definition. name, provider, provider_auth_secret_id, default_machine_provider_options, and max_total_machines are always required; which default machine size and CPU and memory limits are required depends on the provider; Blaxel pools reject CPU fields.
`orgID`	Yes	Organization ID (org_...).

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 23, 2026

changedInput schema / properties / body / allOf

Previous value: -[
-  {
-    "$ref": "#/$defs/CreateMachinePoolRequestBase"
-  },
-  {
-    "oneOf": [
-      {
-        "properties": {
-          "default_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "arker",
-              "freestyle",
-              "modal",
-              "tenki",
-              "unikraft"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_cpu",
-          "default_machine_memory_mb",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "boxd",
-              "createos",
-              "daytona",
-              "e2b"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "not": {
-          "anyOf": [
-            {
-              "required": [
-                "default_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_total_cpu"
-              ]
-            },
-            {
-              "required": [
-                "min_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_machine_cpu"
-              ]
-            }
-          ]
-        },
-        "properties": {
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "blaxel"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_memory_mb",
-          "max_total_memory_mb",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      }
-    ]
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/CreateMachinePoolRequestBase"
+  },
+  {
+    "oneOf": [
+      {
+        "properties": {
+          "default_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "arker",
+              "freestyle",
+              "modal",
+              "tenki",
+              "unikraft"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_cpu",
+          "default_machine_memory_mb",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "properties": {
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "boxd",
+              "createos",
+              "daytona",
+              "e2b",
+              "superserve"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "not": {
+          "anyOf": [
+            {
+              "required": [
+                "default_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_total_cpu"
+              ]
+            },
+            {
+              "required": [
+                "min_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_machine_cpu"
+              ]
+            }
+          ]
+        },
+        "properties": {
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "blaxel"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_memory_mb",
+          "max_total_memory_mb",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      }
+    ]
+  }
+]

Changed1 schema field changedOct 21, 2026

changedInput schema / properties / body / allOf

Previous value: -[
-  {
-    "$ref": "#/$defs/CreateMachinePoolRequestBase"
-  },
-  {
-    "oneOf": [
-      {
-        "properties": {
-          "default_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "arker",
-              "freestyle",
-              "modal",
-              "tenki",
-              "unikraft"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_cpu",
-          "default_machine_memory_mb",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "boxd",
-              "createos",
-              "daytona"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "not": {
-          "anyOf": [
-            {
-              "required": [
-                "default_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_total_cpu"
-              ]
-            },
-            {
-              "required": [
-                "min_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_machine_cpu"
-              ]
-            }
-          ]
-        },
-        "properties": {
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "blaxel"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_memory_mb",
-          "max_total_memory_mb",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      }
-    ]
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/CreateMachinePoolRequestBase"
+  },
+  {
+    "oneOf": [
+      {
+        "properties": {
+          "default_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "arker",
+              "freestyle",
+              "modal",
+              "tenki",
+              "unikraft"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_cpu",
+          "default_machine_memory_mb",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "properties": {
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "boxd",
+              "createos",
+              "daytona",
+              "e2b"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "not": {
+          "anyOf": [
+            {
+              "required": [
+                "default_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_total_cpu"
+              ]
+            },
+            {
+              "required": [
+                "min_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_machine_cpu"
+              ]
+            }
+          ]
+        },
+        "properties": {
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "blaxel"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_memory_mb",
+          "max_total_memory_mb",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      }
+    ]
+  }
+]

Changed3 schema fields changedOct 17, 2026

addedInput schema / $defs / SecretID / description
```
Added value: +"Secret ID (sec_...)."
```

addedInput schema / properties / body / description

Added value: +"Pool definition. name, provider, provider_auth_secret_id, default_machine_provider_options, and max_total_machines are always required; which default machine size and CPU and memory limits are required depends on the provider; Blaxel pools reject CPU fields."

addedInput schema / properties / orgID / description
```
Added value: +"Organization ID (org_...)."
```

Changed1 schema field changedOct 14, 2026

changedInput schema / properties / body / allOf

Previous value: -[
-  {
-    "$ref": "#/$defs/CreateMachinePoolRequestBase"
-  },
-  {
-    "oneOf": [
-      {
-        "properties": {
-          "default_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "unikraft",
-              "modal",
-              "freestyle",
-              "tenki",
-              "arker"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_cpu",
-          "default_machine_memory_mb",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "max_machine_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_cpu": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "daytona",
-              "boxd",
-              "createos"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "max_total_cpu",
-          "max_total_memory_mb",
-          "max_machine_cpu",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      },
-      {
-        "not": {
-          "anyOf": [
-            {
-              "required": [
-                "default_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_total_cpu"
-              ]
-            },
-            {
-              "required": [
-                "min_machine_cpu"
-              ]
-            },
-            {
-              "required": [
-                "max_machine_cpu"
-              ]
-            }
-          ]
-        },
-        "properties": {
-          "default_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_machine_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "max_total_memory_mb": {
-            "format": "int32",
-            "type": "integer"
-          },
-          "provider": {
-            "enum": [
-              "blaxel"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "provider",
-          "default_machine_memory_mb",
-          "max_total_memory_mb",
-          "max_machine_memory_mb"
-        ],
-        "type": "object"
-      }
-    ]
-  }
-]New value: +[
+  {
+    "$ref": "#/$defs/CreateMachinePoolRequestBase"
+  },
+  {
+    "oneOf": [
+      {
+        "properties": {
+          "default_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "arker",
+              "freestyle",
+              "modal",
+              "tenki",
+              "unikraft"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_cpu",
+          "default_machine_memory_mb",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "properties": {
+          "max_machine_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_cpu": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "boxd",
+              "createos",
+              "daytona"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "max_total_cpu",
+          "max_total_memory_mb",
+          "max_machine_cpu",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      },
+      {
+        "not": {
+          "anyOf": [
+            {
+              "required": [
+                "default_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_total_cpu"
+              ]
+            },
+            {
+              "required": [
+                "min_machine_cpu"
+              ]
+            },
+            {
+              "required": [
+                "max_machine_cpu"
+              ]
+            }
+          ]
+        },
+        "properties": {
+          "default_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_machine_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "max_total_memory_mb": {
+            "format": "int32",
+            "type": "integer"
+          },
+          "provider": {
+            "enum": [
+              "blaxel"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "provider",
+          "default_machine_memory_mb",
+          "max_total_memory_mb",
+          "max_machine_memory_mb"
+        ],
+        "type": "object"
+      }
+    ]
+  }
+]

AddedOct 13, 2026

TDQS

A3.7/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare non-read-only, non-destructive, non-idempotent. Beyond that, the description adds a substantive trait: which fields are required varies by provider, and which CPU/memory/count limits each provider supports. It omits what a successful call returns or what happens on duplicate/invalid provider input, but for an annotated tool this is solid added context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with the action and resource, then the body content, then a documentation pointer. The inline provider list is long but earns its place given the schema's non-flat enum placement. No filler sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a creation tool with a nested, provider-conditional schema and no output schema, the description covers the body composition, the provider-dependence of required fields, and defers the exhaustive schema to a documented reference. It leaves out error/dedup behavior and the orgID scoping, but the schema carries those.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3. The description does add value by enumerating the eleven concrete provider values, which are only reachable by inspecting the nested oneOf enums in the schema, but it gives no format or semantics for the secrets, env, or limit fields beyond naming them.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ("Creates a machine pool in the organization") and enumerates the body content, so the agent knows this is the creation path for pools. It does not explicitly contrast with pools_update or pools_get, but the verb+resource pair is unambiguous against those siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description notes that required fields depend on the provider and points to the createMachinePool operation for the full schema, which implies usage context. However, it never states prerequisites (e.g. a provider auth secret must already exist via secrets_create) or when to use this versus pools_update. Usage must be inferred.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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Create machine pool

Input Schema

Schema Changelog

TDQS

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