Zambo AI Tools

Day Pass status

day_pass_status

Read-onlyIdempotent

Check your current pass, also available as pass_status. All arguments are optional: current session, token_or_link, thread_id, or _zambo_key. Returns a plain status line, active, tier, expires_at, seconds_left and a private unlock link without spending quota. Product/provider limits may still apply.

Input Schema

Name	Required	Description	Default
`_ref`	No	Optional handover referral ID from your install link.
`thread_id`	No	Optional continuity thread within the current session.
`_zambo_key`	No	Optional opaque Zambo access capability. Never place it in a URL or public log.
`session_id`	No	Alias for _session_id.
`_session_id`	No	Optional stable bot-job ID. Reuse it across calls to bind a Day Pass and keep the job ledger together.
`status_token`	No	Opaque token returned with the human checkout link; it is not the Day Pass key.
`_caller_label`	No	Optional caller label recorded as a caller-reported claim in the receipt.	zambo-starter
`token_or_link`	No	Optional private /u/ unlock link.
`_caller_handle`	No	Opaque anonymous continuity handle returned during initialize. Reuse it across MCP sessions; it is not payment authorization.
`_continuity_ai_label`	No	Optional self-reported AI client label for the private continuity timeline. Zambo does not independently verify the client.

Output Schema

Name	Required	Description
`ok`	Yes
`ids`	Yes
`next`	Yes
`tier`	No
`urls`	Yes
`error`	No
`graph`	No
`active`	No
`result`	Yes	The tool's observed JSON value or plain-text result.
`intents`	No
`next_up`	No
`payment`	No
`day_pass`	No
`today_url`	No
`expires_at`	No
`human_line`	Yes
`next_steps`	No
`daily_recap`	No
`renew_nudge`	No
`unlock_link`	No
`seconds_left`	No
`resume_status`	No
`resumed_result`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedOct 25, 2026

addedInput schema / properties / _caller_handle

Added value: +{
+  "description": "Opaque anonymous continuity handle returned during initialize. Reuse it across MCP sessions; it is not payment authorization.",
+  "maxLength": 64,
+  "type": "string"
+}

addedInput schema / properties / _caller_label / default
```
Added value: +"zambo-starter"
```

Changed1 schema field changedOct 23, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-25"New value: +"draft-zambo-aer1-26"
```
Changed1 schema field changedOct 22, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-24"New value: +"draft-zambo-aer1-25"
```
Changed1 schema field changedOct 20, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-23"New value: +"draft-zambo-aer1-24"
```
Changed1 schema field changedOct 19, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-22"New value: +"draft-zambo-aer1-23"
```
Changed1 schema field changedOct 18, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-21"New value: +"draft-zambo-aer1-22"
```
Changed1 schema field changedOct 18, 2026
- changedOutput schema / properties / graph / properties / aer / const
```
Previous value: -"draft-zambo-aer1-20"New value: +"draft-zambo-aer1-21"
```
Changed1 schema field changedOct 17, 2026
- addedOutput schema / properties / next_steps
```
Added value: +{
+  "items": {},
+  "minItems": 1,
+  "type": "array"
+}
```

Changed29 schema fields changedOct 17, 2026

addedInput schema / properties / _ref

Added value: +{
+  "description": "Optional handover referral ID from your install link.",
+  "format": "uuid",
+  "type": "string"
+}

changedOutput schema / additionalProperties
```
Previous value: -falseNew value: +true
```
addedOutput schema / properties / active
```
Added value: +{
+  "type": "boolean"
+}
```
addedOutput schema / properties / daily_recap
```
Added value: +{
+  "type": "object"
+}
```
addedOutput schema / properties / day_pass
```
Added value: +{
+  "type": "object"
+}
```

addedOutput schema / properties / error

Added value: +{
+  "additionalProperties": true,
+  "anyOf": [
+    {
+      "required": [
+        "next_call"
+      ]
+    },
+    {
+      "required": [
+        "next_url"
+      ]
+    }
+  ],
+  "properties": {
+    "code": {
+      "type": "string"
+    },
+    "next_call": {
+      "additionalProperties": false,
+      "properties": {
+        "args": {
+          "type": "object"
+        },
+        "tool": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "tool",
+        "args"
+      ],
+      "type": "object"
+    },
+    "next_step": {
+      "type": "string"
+    },
+    "next_url": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "next_step"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / expires_at

Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}

addedOutput schema / properties / graph

Added value: +{
+  "properties": {
+    "aer": {
+      "const": "draft-zambo-aer1-20"
+    },
+    "schema": {
+      "const": "zambo.graph/1"
+    }
+  },
+  "required": [
+    "schema",
+    "aer",
+    "nodes",
+    "edges",
+    "retries",
+    "sources",
+    "summary"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / human_line

Added value: +{
+  "maxLength": 200,
+  "pattern": "^[^\\r\\n]*$",
+  "type": "string"
+}

addedOutput schema / properties / ids

Added value: +{
+  "additionalProperties": {
+    "type": "string"
+  },
+  "type": "object"
+}

addedOutput schema / properties / intents

Added value: +{
+  "items": {
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / next

Added value: +{
+  "minLength": 1,
+  "type": "string"
+}

addedOutput schema / properties / next_up
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / ok
```
Added value: +{
+  "type": "boolean"
+}
```
addedOutput schema / properties / payment
```
Added value: +{
+  "type": "object"
+}
```
addedOutput schema / properties / renew_nudge
```
Added value: +{
+  "type": "object"
+}
```
removedOutput schema / properties / result / additionalProperties
```
Removed value: -true
```

addedOutput schema / properties / result / description

Added value: +"The tool's observed JSON value or plain-text result."

removedOutput schema / properties / result / properties

Removed value: -{
-  "active": {
-    "type": "boolean"
-  },
-  "calls_left": {
-    "oneOf": [
-      {
-        "minimum": 0,
-        "type": "integer"
-      },
-      {
-        "type": "string"
-      }
-    ]
-  },
-  "calls_left_scope": {
-    "type": "string"
-  },
-  "expires_at": {
-    "type": [
-      "string",
-      "null"
-    ]
-  },
-  "seals": {
-    "items": {
-      "additionalProperties": false,
-      "properties": {
-        "sealed_at": {
-          "type": "string"
-        },
-        "workflow_id": {
-          "type": "string"
-        },
-        "workflow_url": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "workflow_id",
-        "workflow_url",
-        "sealed_at"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "session_bound": {
-    "type": "boolean"
-  },
-  "status": {
-    "type": "string"
-  }
-}

removedOutput schema / properties / result / required

Removed value: -[
-  "status",
-  "active",
-  "expires_at",
-  "calls_left",
-  "seals"
-]

removedOutput schema / properties / result / type
```
Removed value: -"object"
```
addedOutput schema / properties / resume_status
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / resumed_result
```
Added value: +{
+  "type": "object"
+}
```

addedOutput schema / properties / seconds_left

Added value: +{
+  "type": [
+    "number",
+    "null"
+  ]
+}

addedOutput schema / properties / tier

Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}

addedOutput schema / properties / today_url
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / unlock_link

Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}

addedOutput schema / properties / urls

Added value: +{
+  "additionalProperties": {
+    "type": "string"
+  },
+  "type": "object"
+}

changedOutput schema / required

Previous value: -[
-  "result"
-]New value: +[
+  "result",
+  "ok",
+  "human_line",
+  "next",
+  "ids",
+  "urls"
+]

Changed2 schema fields changedOct 16, 2026

addedInput schema / properties / thread_id

Added value: +{
+  "description": "Optional continuity thread within the current session.",
+  "type": "string"
+}

addedInput schema / properties / token_or_link

Added value: +{
+  "description": "Optional private /u/ unlock link.",
+  "type": "string"
+}

Changed5 schema fields changedOct 12, 2026

addedOutput schema / properties / result / additionalProperties
```
Added value: +true
```

removedOutput schema / properties / result / description

Removed value: -"The tool's observed JSON value or plain-text result."

addedOutput schema / properties / result / properties

Added value: +{
+  "active": {
+    "type": "boolean"
+  },
+  "calls_left": {
+    "oneOf": [
+      {
+        "minimum": 0,
+        "type": "integer"
+      },
+      {
+        "type": "string"
+      }
+    ]
+  },
+  "calls_left_scope": {
+    "type": "string"
+  },
+  "expires_at": {
+    "type": [
+      "string",
+      "null"
+    ]
+  },
+  "seals": {
+    "items": {
+      "additionalProperties": false,
+      "properties": {
+        "sealed_at": {
+          "type": "string"
+        },
+        "workflow_id": {
+          "type": "string"
+        },
+        "workflow_url": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "workflow_id",
+        "workflow_url",
+        "sealed_at"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  "session_bound": {
+    "type": "boolean"
+  },
+  "status": {
+    "type": "string"
+  }
+}

addedOutput schema / properties / result / required

Added value: +[
+  "status",
+  "active",
+  "expires_at",
+  "calls_left",
+  "seals"
+]

addedOutput schema / properties / result / type
```
Added value: +"object"
```

Changed4 schema fields changedOct 10, 2026

changedInput schema / properties / _caller_label / description

Previous value: -"Optional self-reported caller label. It is recorded as a claim, not independently verified."New value: +"Optional caller label recorded as a caller-reported claim in the receipt."

changedInput schema / properties / _session_id / description

Previous value: -"Optional stable Zambo session ID used to preserve continuity across tool calls."New value: +"Optional stable bot-job ID. Reuse it across calls to bind a Day Pass and keep the job ledger together."

changedInput schema / properties / _zambo_key / description

Previous value: -"Optional Day Pass capability key. Never include it in a URL or public log."New value: +"Optional opaque Zambo access capability. Never place it in a URL or public log."

addedInput schema / properties / _zambo_key / maxLength
```
Added value: +160
```

Changed9 schema fields changedOct 10, 2026

changedOutput schema / additionalProperties
```
Previous value: -trueNew value: +false
```

removedOutput schema / properties / active

Removed value: -{
-  "type": "boolean"
-}

removedOutput schema / properties / calls_left

Removed value: -{
-  "oneOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "number"
-    }
-  ]
-}

removedOutput schema / properties / calls_left_scope
```
Removed value: -{
-  "type": "string"
-}
```

removedOutput schema / properties / expires_at

Removed value: -{
-  "oneOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "null"
-    }
-  ]
-}

addedOutput schema / properties / result

Added value: +{
+  "description": "The tool's observed JSON value or plain-text result."
+}

removedOutput schema / properties / session_bound
```
Removed value: -{
-  "type": "boolean"
-}
```

removedOutput schema / properties / status

Removed value: -{
-  "type": "string"
-}

addedOutput schema / required
```
Added value: +[
+  "result"
+]
```

Changed7 schema fields changedOct 10, 2026

addedOutput schema / properties / active
```
Added value: +{
+  "type": "boolean"
+}
```

addedOutput schema / properties / calls_left

Added value: +{
+  "oneOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "number"
+    }
+  ]
+}

addedOutput schema / properties / calls_left_scope
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / expires_at

Added value: +{
+  "oneOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

removedOutput schema / properties / result

Removed value: -{
-  "type": "string"
-}

addedOutput schema / properties / session_bound
```
Added value: +{
+  "type": "boolean"
+}
```
addedOutput schema / properties / status
```
Added value: +{
+  "type": "string"
+}
```

AddedOct 10, 2026

TDQS

A3.8/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, and non-destructive, so the safety floor is covered. The description still earns credit by adding that the call consumes no quota, that provider/product limits may still apply, and what the response surface looks like — real context beyond the structured fields.

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?

The purpose and the no-quota guarantee are front-loaded in the first and third sentences. The closing line about provider limits is a useful caveat rather than filler, though the enumerated return fields duplicate the output schema and could be trimmed.

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

Completeness5/5

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

An output schema exists, annotations fully cover the read-only safety profile, and all ten parameters are documented in the schema, so the description only needs to add operating context — which it does via the no-quota and provider-limit notes. Nothing an agent needs in order to invoke it correctly is missing.

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 description coverage is 100%, so each of the ten parameters is already documented, establishing a baseline of 3. The description names only four (session, token_or_link, thread_id, _zambo_key) and adds the useful fact that all are optional, but it explains no syntax or precedence rules beyond the schema.

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 clear verb and resource ('Check your current pass') and names the alias sibling pass_status, which helps an agent map two names to one capability. It does not explicitly contrast with day_pass_activate, day_pass_checkout_link, or day_pass_redeem, so the boundary against the other pass tools is inferred rather than stated.

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 phrase 'without spending quota' implies this is the safe, non-consuming way to inspect a pass versus the activate/checkout/redeem siblings, but that comparison is never made explicit. There is no statement of when not to use it or what to do if no pass exists.

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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