Zambo

Prompt Shield

prompt_shield

Read-onlyIdempotent

Detection and analysis of prompt injection, jailbreak, and policy-bypass attempts. Returns an injection risk score, a safe/review/block recommendation, attack indicators, and a safe rewritten version when available.

Input Schema

TableJSON Schema

Name	Required	Description
`mode`	No	'fast' = pattern scan only (default), 'deep' = pattern + Groq semantic analysis
`email`	No	Zambo Pass email for unlimited calls (optional)
`prompt`	Yes	The user input or prompt to validate for injection/jailbreak (max 16K chars)
`system`	No	Your system prompt - also scanned for prompt leak attempts (optional)
`context`	No	Describe your app for better contextual analysis (optional)
`_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.
`certificate`	No	If true, freeze this scan as a permanent public certificate and return certificate_url (optional)
`_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"
+}

Changed6 schema fields changedOct 10, 2026

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

addedOutput schema / properties / result

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

removedOutput schema / properties / safe

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

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

removedOutput schema / properties / threats

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

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"
+}

Changed2 schema fields 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"
+}

changedInput schema / properties / system / description

Previous value: -"Your system prompt — also scanned for prompt leak attempts (optional)"New value: +"Your system prompt - also scanned for prompt leak attempts (optional)"

First observedSep 26, 2026

TDQS

Score is being calculated.

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