Zambo

Handover

handover

Idempotent

Call this after any multi-step job, or when the user says "use zambo to hand this over to ". It returns one proof link with verifiable receipts. Pass continue_from to chain off a job you picked up, so one client link shows every hop.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`ref`	No	Optional referral source to preserve as source_ref on the saved handover.
`_ref`	No	Optional handover referral ID from your install link.
`goal`	No
`loop`	No	Run a proof loop. Defaults to true for jobs with at least two steps, false otherwise.
`work`	No	Paste work to save as a supplied-work receipt, without claiming it was independently checked.
`anchor`	No
`redact`	No
`shield`	No
`dry_run`	No
`not_run`	No
`payment`	No
`sources`	No
`summary`	No
`branding`	No
`recipient`	No		Your recipient
`thread_id`	No
`_zambo_key`	No	Optional opaque Zambo access capability. Never place it in a URL or public log.
`next_steps`	No
`step_areas`	No
`visibility`	No		public
`_session_id`	No	Optional stable bot-job ID. Reuse it across calls to bind a Day Pass and keep the job ledger together.
`not_checked`	No
`receipt_ids`	No
`client_prefs`	No
`deliverables`	No
`step_sources`	No	Sources by original receipt ID. Reachability is checked by Zambo, not accuracy.
`_caller_label`	No	Optional caller label recorded as a caller-reported claim in the receipt.
`allowed_tools`	No
`continue_from`	No	Chain off a handover picked up through handover_accept in this same job session.
`recipient_type`	No		human
`creator_payment_url`	No	Optional creator-owned payment link shown to the client only after acceptance. Zambo does not hold or process this payment.
`exclude_receipt_ids`	No
`_continuity_ai_label`	No	Optional self-reported AI client label for the private continuity timeline. Zambo does not independently verify the client.
`acknowledge_warnings`	No	Publish only after reviewing missing evidence or a failed/risky shield scan. Warning labels stay visible.

Output Schema

TableJSON 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.

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"
```

Changed2 schema fields changedOct 20, 2026

addedInput schema / properties / creator_payment_url

Added value: +{
+  "description": "Optional creator-owned payment link shown to the client only after acceptance. Zambo does not hold or process this payment.",
+  "format": "uri",
+  "maxLength": 2048,
+  "type": "string"
+}

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

addedInput schema / properties / ref

Added value: +{
+  "description": "Optional referral source to preserve as source_ref on the saved handover.",
+  "maxLength": 200,
+  "minLength": 1,
+  "type": "string"
+}

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

addedInput schema / properties / continue_from

Added value: +{
+  "description": "Chain off a handover picked up through handover_accept in this same job session.",
+  "format": "uuid",
+  "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)$",
+  "type": "string"
+}

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

addedInput schema / properties / sources

Added value: +{
+  "default": [],
+  "items": {
+    "anyOf": [
+      {
+        "format": "uri",
+        "maxLength": 2048,
+        "type": "string"
+      },
+      {
+        "properties": {
+          "ref": {
+            "format": "uri",
+            "maxLength": 2048,
+            "type": "string"
+          }
+        },
+        "required": [
+          "ref"
+        ],
+        "type": "object"
+      }
+    ]
+  },
+  "maxItems": 20,
+  "type": "array"
+}

Changed1 schema field changedOct 17, 2026
- addedOutput schema / properties / next_steps
```
Added value: +{
+  "items": {},
+  "minItems": 1,
+  "type": "array"
+}
```

Changed16 schema fields changedOct 17, 2026

addedInput schema / properties / _ref

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

addedInput schema / properties / client_prefs

Added value: +{
+  "properties": {
+    "no_ai_for": {
+      "default": [],
+      "items": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string"
+      },
+      "maxItems": 50,
+      "type": "array"
+    }
+  },
+  "type": "object"
+}

addedInput schema / properties / loop

Added value: +{
+  "description": "Run a proof loop. Defaults to true for jobs with at least two steps, false otherwise.",
+  "type": "boolean"
+}

addedInput schema / properties / step_areas

Added value: +{
+  "default": [],
+  "items": {
+    "properties": {
+      "area": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string"
+      },
+      "receipt_id": {
+        "format": "uuid",
+        "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)$",
+        "type": "string"
+      }
+    },
+    "required": [
+      "receipt_id",
+      "area"
+    ],
+    "type": "object"
+  },
+  "maxItems": 500,
+  "type": "array"
+}

addedInput schema / properties / step_sources

Added value: +{
+  "default": [],
+  "description": "Sources by original receipt ID. Reachability is checked by Zambo, not accuracy.",
+  "items": {
+    "properties": {
+      "receipt_id": {
+        "format": "uuid",
+        "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)$",
+        "type": "string"
+      },
+      "sources": {
+        "items": {
+          "properties": {
+            "ref": {
+              "maxLength": 2048,
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "ref"
+          ],
+          "type": "object"
+        },
+        "maxItems": 20,
+        "type": "array"
+      }
+    },
+    "required": [
+      "receipt_id",
+      "sources"
+    ],
+    "type": "object"
+  },
+  "maxItems": 20,
+  "type": "array"
+}

changedOutput schema / additionalProperties
```
Previous value: -falseNew value: +true
```

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 / 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 / maxLength
```
Added value: +200
```
addedOutput schema / properties / human_line / pattern
```
Added value: +"^[^\\r\\n]*$"
```

addedOutput schema / properties / ids

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

addedOutput schema / properties / next

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

addedOutput schema / properties / ok
```
Added value: +{
+  "type": "boolean"
+}
```
addedOutput schema / properties / renew_nudge
```
Added value: +{
+  "type": "object"
+}
```

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"
+]

Changed3 schema fields changedOct 16, 2026

addedInput schema / properties / recipient / default
```
Added value: +"Your recipient"
```

addedInput schema / properties / work

Added value: +{
+  "description": "Paste work to save as a supplied-work receipt, without claiming it was independently checked.",
+  "maxLength": 64000,
+  "minLength": 1,
+  "type": "string"
+}

removedInput schema / required
```
Removed value: -[
-  "recipient"
-]
```

Changed17 schema fields changedOct 16, 2026

addedInput schema / properties / allowed_tools

Added value: +{
+  "default": [],
+  "items": {
+    "maxLength": 120,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 150,
+  "type": "array"
+}

addedInput schema / properties / next_steps

Added value: +{
+  "default": [],
+  "items": {
+    "maxLength": 2000,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 10,
+  "type": "array"
+}

addedInput schema / properties / recipient_type

Added value: +{
+  "default": "human",
+  "enum": [
+    "human",
+    "agent"
+  ],
+  "type": "string"
+}

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 / expires_at

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

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

addedOutput schema / properties / intents

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

addedOutput schema / properties / next_up
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / payment
```
Added value: +{
+  "type": "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"
+  ]
+}

AddedOct 16, 2026

TDQS

Score is being calculated.

All Zambo tools Inspect

Try in Browser

Let your AI agent see the webWeb-to-screenshot MCP for Claude, Cursor and Codex. No cookie banners. Free to start.snap-render.comAd

Glama MCP Gateway

Add one secure layer between your agents and this server.