feat(protocol): support AdCP 3.1.0-rc.13

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "6.3.0-beta.9"
+  ".": "6.3.0-beta.10"
 }

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## [6.3.0-beta.10](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0-beta.9...v6.3.0-beta.10) (2026-06-12)
+
+
+### Features
+
+* **protocol:** support AdCP 3.1.0-rc.13
+
+
+### Bug Fixes
+
+* **schemas:** stamp primary latest fallback caches with the requested prerelease version
+
 ## [6.3.0-beta.9](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0-beta.8...v6.3.0-beta.9) (2026-06-07)
 
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "6.3.0b9"
+version = "6.3.0b10"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}

release-please-config.json

@@ -9,7 +9,7 @@
       "include-component-in-tag": false,
       "versioning": "prerelease",
       "prerelease": true,
-      "prerelease-type": "rc"
+      "prerelease-type": "beta"
     }
   },
   "changelog-sections": [

schemas/cache/3.1.0-rc.13/a2ui/bound-value.json

@@ -0,0 +1,80 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "A2UI Bound Value",
+  "description": "A value that can be a literal or bound to a path in the data model",
+  "oneOf": [
+    {
+      "type": "object",
+      "description": "Literal string value",
+      "properties": {
+        "literalString": {
+          "type": "string",
+          "description": "Static string value"
+        }
+      },
+      "required": [
+        "literalString"
+      ],
+      "additionalProperties": false
+    },
+    {
+      "type": "object",
+      "description": "Literal number value",
+      "properties": {
+        "literalNumber": {
+          "type": "number",
+          "description": "Static number value"
+        }
+      },
+      "required": [
+        "literalNumber"
+      ],
+      "additionalProperties": false
+    },
+    {
+      "type": "object",
+      "description": "Literal boolean value",
+      "properties": {
+        "literalBoolean": {
+          "type": "boolean",
+          "description": "Static boolean value"
+        }
+      },
+      "required": [
+        "literalBoolean"
+      ],
+      "additionalProperties": false
+    },
+    {
+      "type": "object",
+      "description": "Path to data model value",
+      "properties": {
+        "path": {
+          "type": "string",
+          "description": "JSON pointer path to value in data model (e.g., '/products/0/title')"
+        }
+      },
+      "required": [
+        "path"
+      ],
+      "additionalProperties": false
+    },
+    {
+      "type": "object",
+      "description": "Literal with path binding (sets default and binds)",
+      "properties": {
+        "literalString": {
+          "type": "string"
+        },
+        "path": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "literalString",
+        "path"
+      ],
+      "additionalProperties": false
+    }
+  ]
+}

schemas/cache/3.1.0-rc.13/a2ui/component.json

@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "A2UI Component",
+  "description": "A component in an A2UI surface",
+  "type": "object",
+  "properties": {
+    "id": {
+      "type": "string",
+      "description": "Unique identifier for this component within the surface"
+    },
+    "parentId": {
+      "type": "string",
+      "description": "ID of the parent component (null for root)"
+    },
+    "component": {
+      "type": "object",
+      "description": "Component definition (keyed by component type)",
+      "minProperties": 1,
+      "maxProperties": 1,
+      "additionalProperties": {
+        "type": "object",
+        "description": "Component properties"
+      }
+    }
+  },
+  "required": [
+    "id",
+    "component"
+  ],
+  "additionalProperties": true
+}