Opsphere — DevOps & SRE Intelligence

Cloudflare: Page Rule update

cf_page_rule_update

Destructive

Replace an existing Page Rule by ID. Provide full native Cloudflare payload.

Input Schema

Name	Required	Description
`zone`	Yes	Zone name (e.g. your-tenant.com) or zone ID
`ruleId`	Yes	Cloudflare Page Rule ID
`payload`	Yes	Full Cloudflare Page Rule payload
`context_id`	No	Optional explicit Connection Hub work context (ctx_*). Omit to use the conversation's active workspace; global Hub tools ignore it.
`account_slug`	No	Cloudflare account slug. Required when the workspace has multiple accounts and the zone is not yet cataloged.
`environment_slug`	No	Cloud Catalog environment used as an account-routing preference when no zone is provided.

Output Schema

Name	Required	Description	Default
`ok`	Yes
`data`	Yes
`contractVersion`	Yes
`dataSchemaVersion`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed19 schema fields changedOct 26, 2026

changedOutput schema / properties / data / additionalProperties
```
Previous value: -trueNew value: +false
```
removedOutput schema / properties / data / properties / count
```
Removed value: -{
-  "type": "number"
-}
```
removedOutput schema / properties / data / properties / errors / items / $ref
```
Removed value: -"#/properties/data/properties/result/anyOf/0/items"
```
addedOutput schema / properties / data / properties / errors / items / additionalProperties
```
Added value: +false
```

addedOutput schema / properties / data / properties / errors / items / properties

Added value: +{
+  "code": {
+    "type": "integer"
+  },
+  "message": {
+    "type": "string"
+  }
+}

addedOutput schema / properties / data / properties / errors / items / required
```
Added value: +[
+  "message"
+]
```
addedOutput schema / properties / data / properties / errors / items / type
```
Added value: +"object"
```

addedOutput schema / properties / data / properties / gaps

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

removedOutput schema / properties / data / properties / items

Removed value: -{
-  "$ref": "#/properties/data/properties/result/anyOf/0"
-}

removedOutput schema / properties / data / properties / messages

Removed value: -{
-  "items": {
-    "anyOf": [
-      {
-        "type": "string"
-      },
-      {
-        "$ref": "#/properties/data/properties/result/anyOf/0/items"
-      }
-    ]
-  },
-  "type": "array"
-}

addedOutput schema / properties / data / properties / pageRule

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "actions": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "value": {
+            "type": [
+              "string",
+              "number",
+              "boolean"
+            ]
+          }
+        },
+        "required": [
+          "id"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "id": {
+      "type": "string"
+    },
+    "priority": {
+      "type": "integer"
+    },
+    "status": {
+      "type": "string"
+    },
+    "targets": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "constraint": {
+            "additionalProperties": false,
+            "properties": {
+              "operator": {
+                "type": "string"
+              },
+              "value": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "operator",
+              "value"
+            ],
+            "type": "object"
+          },
+          "target": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "target",
+          "constraint"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "id"
+  ],
+  "type": "object"
+}

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

removedOutput schema / properties / data / properties / result

Removed value: -{
-  "anyOf": [
-    {
-      "items": {
-        "additionalProperties": true,
-        "properties": {},
-        "type": "object"
-      },
-      "type": "array"
-    },
-    {
-      "$ref": "#/properties/data/properties/result/anyOf/0/items"
-    }
-  ]
-}

removedOutput schema / properties / data / properties / result_info

Removed value: -{
-  "$ref": "#/properties/data/properties/result/anyOf/0/items"
-}

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

addedOutput schema / properties / data / properties / warnings

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

addedOutput schema / properties / data / required

Added value: +[
+  "partial",
+  "truncated",
+  "warnings",
+  "gaps"
+]

addedOutput schema / properties / dataSchemaVersion

Added value: +{
+  "const": 2,
+  "type": "number"
+}

changedOutput schema / required

Previous value: -[
-  "contractVersion",
-  "ok",
-  "data"
-]New value: +[
+  "contractVersion",
+  "dataSchemaVersion",
+  "ok",
+  "data"
+]

First observedOct 15, 2026

TDQS

A3.7/5.0

Behavior4/5

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

Annotations already declare destructiveHint=true and openWorldHint=true, so the safety profile is covered. The description earns credit for clarifying the replace semantics ('By ID' + 'full native payload'), which tells the agent existing rule content is overwritten wholesale — a detail no annotation conveys.

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

Conciseness5/5

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

Two short sentences, action and required-input caveat front-loaded, with no filler or duplicated schema content.

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

Completeness3/5

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

An output schema exists and parameters are fully documented, so the remaining burden is low. Still, for a destructive overwrite tool the description doesn't state whether omitted payload fields are dropped, whether replace is atomic/reversible, or what permissions are needed.

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 zone, ruleId, payload, and the routing params are all documented in the schema. The description adds only the note that payload must be the 'full native Cloudflare payload', which reinforces the schema rather than extending it much.

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 ('Replace') and resource ('Page Rule') plus the ID selector, which clearly separates it from cf_page_rule_create and cf_page_rule_delete. It stops short of naming those siblings explicitly.

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?

'Replace an existing Page Rule by ID' implies the update scenario, and 'Provide full native Cloudflare payload' warns that the entire rule body is required. However, it never contrasts with cf_page_rule_create, cf_page_rule_delete, or cf_page_rules_list, nor states prerequisites such as needing an existing rule ID.

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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