Zambo

Leadsignal

leadsignal

Read-only

AI lead generation for contractors and local service businesses. Accepts a trade type and city. Returns qualified local leads with available contact information.

Input Schema

TableJSON Schema

Name	Required	Description
`city`	Yes	City and optional state. Example: 'Chicago', 'Denver CO', 'Austin Texas'
`trade`	Yes	The trade or service type. Example: 'plumber', 'HVAC', 'electrician', 'roofer', 'general contractor'
`_zambo_key`	No	Optional opaque Zambo access capability. Never place it in a URL or public log.
`_session_id`	No	Optional stable bot-job ID. Reuse it across calls to bind a Day Pass and keep the job ledger together.
`_caller_label`	No	Optional caller label recorded as a caller-reported claim in the receipt.
`_continuity_ai_label`	No	Optional self-reported AI client label for the private continuity timeline. Zambo does not independently verify the client.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`result`	Yes	The tool's observed JSON value or plain-text result.

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 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."

addedInput schema / properties / _zambo_key

Added value: +{
+  "description": "Optional opaque Zambo access capability. Never place it in a URL or public log.",
+  "maxLength": 160,
+  "type": "string"
+}

Changed7 schema fields changedOct 10, 2026

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

removedOutput schema / properties / city

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

removedOutput schema / properties / count

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

removedOutput schema / properties / leads

Removed value: -{
-  "items": {
-    "type": "object"
-  },
-  "type": "array"
-}

addedOutput schema / properties / result

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

removedOutput schema / properties / trade

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

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

Changed2 schema fields changedOct 10, 2026

addedInput schema / properties / _caller_label

Added value: +{
+  "description": "Optional self-reported caller label. It is recorded as a claim, not independently verified.",
+  "maxLength": 80,
+  "type": "string"
+}

addedInput schema / properties / _session_id

Added value: +{
+  "description": "Optional stable Zambo session ID used to preserve continuity across tool calls.",
+  "maxLength": 64,
+  "type": "string"
+}

Changed1 schema field changedOct 2, 2026

addedInput schema / properties / _continuity_ai_label

Added value: +{
+  "description": "Optional self-reported AI client label for the private continuity timeline. Zambo does not independently verify the client.",
+  "maxLength": 48,
+  "type": "string"
+}

First observedSep 26, 2026

TDQS

Score is being calculated.

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