Roll protocol to r1616338

Author: devtools-bot

changelog.md

@@ -1,7 +1,41 @@
 
 
+## Roll protocol to r1616338 — _2026-04-17T05:17:05.000Z_
+######  Diff: [`d852d0c...c877cdd`](https://github.com/ChromeDevTools/devtools-protocol/compare/d852d0c...c877cdd)
+
+```diff
+@@ domains/Audits.pdl:429 @@ experimental domain Audits
+       AutofillPolicyControlledFeatureInfo
+       ManualTextPolicyControlledFeatureInfo
+       FormModelContextParameterMissingTitleAndDescription
++      FormModelContextMissingToolName
++      FormModelContextMissingToolDescription
++      FormModelContextRequiredParameterMissingName
++      FormModelContextParameterMissingName
+ 
+   # Depending on the concrete errorType, different properties are set.
+   type GenericIssueDetails extends object
+diff --git a/pdl/domains/WebMCP.pdl b/pdl/domains/WebMCP.pdl
+index d687c478..f7ecb3a5 100644
+--- a/pdl/domains/WebMCP.pdl
++++ b/pdl/domains/WebMCP.pdl
+@@ -64,6 +64,12 @@ experimental domain WebMCP
+       # Unique identifier for this invocation. Response is sent before tool events.
+       string invocationId
+ 
++  # Cancels a pending tool invocation.
++  command cancelInvocation
++    parameters
++      # Invocation identifier to cancel.
++      string invocationId
++
+   # Event fired when new tools are added.
+   event toolsAdded
+     parameters
+```
+
 ## Roll protocol to r1615727 — _2026-04-16T10:28:34.000Z_
-######  Diff: [`bb00b98...4d64b2c`](https://github.com/ChromeDevTools/devtools-protocol/compare/bb00b98...4d64b2c)
+######  Diff: [`bb00b98...d852d0c`](https://github.com/ChromeDevTools/devtools-protocol/compare/bb00b98...d852d0c)
 
 ```diff
 @@ domains/Network.pdl:2260 @@ domain Network
@@ -42985,40 +43019,4 @@ index 7a3c772c..ed622630 100644
    # Represents deep serialized value.
    type DeepSerializedValue extends object
      properties
-```
-
-## Roll protocol to r1161029 — _2023-06-22T04:26:26.000Z_
-######  Diff: [`6ef566f...7b1ec35`](https://github.com/ChromeDevTools/devtools-protocol/compare/6ef566f...7b1ec35)
-
-```diff
-@@ browser_protocol.pdl:5368 @@ domain Network
-       # address space.
-       UnexpectedPrivateNetworkAccess
-       NoCorsRedirectModeNotFollow
-+      # Request was a private network request and needed user permission yet did
-+      # not carry `Private-Network-Access-Id` in the preflight response.
-+      # https://github.com/WICG/private-network-access/blob/main/permission_prompt/explainer.md
-+      PreflightMissingPrivateNetworkAccessId
-+      # Request was a private network request and needed user permission yet did
-+      # not carry `Private-Network-Access-Name` in the preflight response.
-+      # https://github.com/WICG/private-network-access/blob/main/permission_prompt/explainer.md
-+      PreflightMissingPrivateNetworkAccessName
-+      # Request was a private network request and needed user permission yet not
-+      # able to request for permission.
-+      # https://github.com/WICG/private-network-access/blob/main/permission_prompt/explainer.md
-+      PrivateNetworkAccessPermissionUnavailable
-+      # Request was a private network request and is denied by user permission.
-+      # https://github.com/WICG/private-network-access/blob/main/permission_prompt/explainer.md
-+      PrivateNetworkAccessPermissionDenied
- 
-   type CorsErrorStatus extends object
-     properties
-@@ -8540,6 +8555,7 @@ domain Page
-       ErrorDocument
-       FencedFramesEmbedder
-       CookieDisabled
-+      HTTPAuthRequired
-       #Blocklisted features
-       WebSocket
-       WebTransport
 ```

json/browser_protocol.json

@@ -1773,7 +1773,11 @@
                         "AutofillAndManualTextPolicyControlledFeaturesInfo",
                         "AutofillPolicyControlledFeatureInfo",
                         "ManualTextPolicyControlledFeatureInfo",
-                        "FormModelContextParameterMissingTitleAndDescription"
+                        "FormModelContextParameterMissingTitleAndDescription",
+                        "FormModelContextMissingToolName",
+                        "FormModelContextMissingToolDescription",
+                        "FormModelContextRequiredParameterMissingName",
+                        "FormModelContextParameterMissingName"
                     ]
                 },
                 {
@@ -30791,6 +30795,17 @@
                             "type": "string"
                         }
                     ]
+                },
+                {
+                    "name": "cancelInvocation",
+                    "description": "Cancels a pending tool invocation.",
+                    "parameters": [
+                        {
+                            "name": "invocationId",
+                            "description": "Invocation identifier to cancel.",
+                            "type": "string"
+                        }
+                    ]
                 }
             ],
             "events": [

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "devtools-protocol",
-  "version": "0.0.1615727",
+  "version": "0.0.1616338",
   "description": "The Chrome DevTools Protocol JSON",
   "repository": "https://github.com/ChromeDevTools/devtools-protocol",
   "author": "The Chromium Authors",

package.json

@@ -429,6 +429,10 @@ experimental domain Audits
       AutofillPolicyControlledFeatureInfo
       ManualTextPolicyControlledFeatureInfo
       FormModelContextParameterMissingTitleAndDescription
+      FormModelContextMissingToolName
+      FormModelContextMissingToolDescription
+      FormModelContextRequiredParameterMissingName
+      FormModelContextParameterMissingName
 
   # Depending on the concrete errorType, different properties are set.
   type GenericIssueDetails extends object

pdl/domains/Audits.pdl

@@ -64,6 +64,12 @@ experimental domain WebMCP
       # Unique identifier for this invocation. Response is sent before tool events.
       string invocationId
 
+  # Cancels a pending tool invocation.
+  command cancelInvocation
+    parameters
+      # Invocation identifier to cancel.
+      string invocationId
+
   # Event fired when new tools are added.
   event toolsAdded
     parameters

pdl/domains/WebMCP.pdl

@@ -6320,6 +6320,13 @@ export namespace ProtocolMapping {
             paramsType: [Protocol.WebMCP.InvokeToolRequest];
             returnType: Protocol.WebMCP.InvokeToolResponse;
         };
+        /**
+         * Cancels a pending tool invocation.
+         */
+        'WebMCP.cancelInvocation': {
+            paramsType: [Protocol.WebMCP.CancelInvocationRequest];
+            returnType: void;
+        };
     }
 }
 

types/protocol-mapping.d.ts

@@ -5484,6 +5484,11 @@ export namespace ProtocolProxyApi {
          */
         invokeTool(params: Protocol.WebMCP.InvokeToolRequest): Promise<Protocol.WebMCP.InvokeToolResponse>;
 
+        /**
+         * Cancels a pending tool invocation.
+         */
+        cancelInvocation(params: Protocol.WebMCP.CancelInvocationRequest): Promise<void>;
+
         /**
          * Event fired when new tools are added.
          */

types/protocol-proxy-api.d.ts

@@ -5950,6 +5950,11 @@ export namespace ProtocolTestsProxyApi {
          */
         invokeTool(params: Protocol.WebMCP.InvokeToolRequest): Promise<{id: number, result: Protocol.WebMCP.InvokeToolResponse, sessionId: string}>;
 
+        /**
+         * Cancels a pending tool invocation.
+         */
+        cancelInvocation(params: Protocol.WebMCP.CancelInvocationRequest): Promise<{id: number, result: void, sessionId: string}>;
+
         /**
          * Event fired when new tools are added.
          */

types/protocol-tests-proxy-api.d.ts

@@ -3705,7 +3705,7 @@ export namespace Protocol {
             request: AffectedRequest;
         }
 
-        export type GenericIssueErrorType = ('FormLabelForNameError' | 'FormDuplicateIdForInputError' | 'FormInputWithNoLabelError' | 'FormAutocompleteAttributeEmptyError' | 'FormEmptyIdAndNameAttributesForInputError' | 'FormAriaLabelledByToNonExistingIdError' | 'FormInputAssignedAutocompleteValueToIdOrNameAttributeError' | 'FormLabelHasNeitherForNorNestedInputError' | 'FormLabelForMatchesNonExistingIdError' | 'FormInputHasWrongButWellIntendedAutocompleteValueError' | 'ResponseWasBlockedByORB' | 'NavigationEntryMarkedSkippable' | 'AutofillAndManualTextPolicyControlledFeaturesInfo' | 'AutofillPolicyControlledFeatureInfo' | 'ManualTextPolicyControlledFeatureInfo' | 'FormModelContextParameterMissingTitleAndDescription');
+        export type GenericIssueErrorType = ('FormLabelForNameError' | 'FormDuplicateIdForInputError' | 'FormInputWithNoLabelError' | 'FormAutocompleteAttributeEmptyError' | 'FormEmptyIdAndNameAttributesForInputError' | 'FormAriaLabelledByToNonExistingIdError' | 'FormInputAssignedAutocompleteValueToIdOrNameAttributeError' | 'FormLabelHasNeitherForNorNestedInputError' | 'FormLabelForMatchesNonExistingIdError' | 'FormInputHasWrongButWellIntendedAutocompleteValueError' | 'ResponseWasBlockedByORB' | 'NavigationEntryMarkedSkippable' | 'AutofillAndManualTextPolicyControlledFeaturesInfo' | 'AutofillPolicyControlledFeatureInfo' | 'ManualTextPolicyControlledFeatureInfo' | 'FormModelContextParameterMissingTitleAndDescription' | 'FormModelContextMissingToolName' | 'FormModelContextMissingToolDescription' | 'FormModelContextRequiredParameterMissingName' | 'FormModelContextParameterMissingName');
 
         /**
          * Depending on the concrete errorType, different properties are set.
@@ -22101,6 +22101,13 @@ export namespace Protocol {
             invocationId: string;
         }
 
+        export interface CancelInvocationRequest {
+            /**
+             * Invocation identifier to cancel.
+             */
+            invocationId: string;
+        }
+
         /**
          * Event fired when new tools are added.
          */