chore: 🐝 Update SDK - Generate (spec change merged) 1.0.19

.speakeasy/gen.lock

@@ -1,19 +1,19 @@
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 id: c48cf606-fb42-4a45-9c23-8f0555307828
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   speakeasyVersion: 1.787.0
   generationVersion: 2.914.0
-  releaseVersion: 1.0.18
-  configChecksum: ccc40eafb79218be7c75f1f92ad3308f
+  releaseVersion: 1.0.19
+  configChecksum: 4ff021275d1f9854370e7598e50a6ef2
   repoURL: https://github.com/OpenRouterTeam/python-sdk.git
   installationURL: https://github.com/OpenRouterTeam/python-sdk.git
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+  src/openrouter/components/messagestooladditionblock.py:
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@@ -11241,4 +11281,6 @@ examples:
         "500":
           application/json: {"error": {"code": 500, "message": "Internal Server Error"}}
 examplesVersion: 1.0.2
-releaseNotes: "## Python SDK Changes:\n* `open_router.beta.responses.send()`: \n  *  `request.input.union(Array<>)[].union(AdditionalToolsItem).tools[]` **Changed**\n  *  `response` **Changed**\n* `open_router.chat.send()`: \n  *  `request.tools[]` **Changed**\n* `open_router.presets.create_presets_chat_completions()`: \n  *  `request.tools[].union(ChatWebSearchShorthand)` **Changed**\n* `open_router.presets.create_presets_messages()`: \n  *  `request.tools[].union(OpenRouterWebSearchServerTool).parameters.max_uses` **Added**\n* `open_router.presets.create_presets_responses()`: \n  *  `request.input.union(Array<>)[].union(AdditionalToolsItem).tools[]` **Changed**\n"
+releaseNotes: |
+  ## Python SDK Changes:
+  * `open_router.presets.create_presets_messages()`:  `request` **Changed**

.speakeasy/gen.yaml

@@ -36,7 +36,7 @@ generation:
   documentation: mintlify
   preApplyUnionDiscriminators: true
 python:
-  version: 1.0.18
+  version: 1.0.19
   additionalDependencies:
     dev: {}
     main: {}

.speakeasy/out.openapi.yaml

@@ -12469,6 +12469,8 @@ components:
                       - 'content'
                     type: 'object'
                   - $ref: '#/components/schemas/MessagesAdvisorToolResultBlock'
+                  - $ref: '#/components/schemas/MessagesToolAdditionBlock'
+                  - $ref: '#/components/schemas/MessagesToolRemovalBlock'
               type: 'array'
         role:
           enum:
@@ -12828,6 +12830,8 @@ components:
               - properties:
                   cache_control:
                     $ref: '#/components/schemas/AnthropicCacheControlDirective'
+                  defer_loading:
+                    type: 'boolean'
                   description:
                     type: 'string'
                   input_schema:
@@ -13392,6 +13396,62 @@ components:
         - 'event'
         - 'data'
       type: 'object'
+    MessagesToolAdditionBlock:
+      description: 'Loads a previously deferred tool (declared in `tools` with `defer_loading: true`) mid-conversation without invalidating the prompt cache. Only valid in `role: "system"` messages. Not supported on Claude Sonnet 5 or models older than Claude Opus 4.8.'
+      example:
+        tool:
+          name: 'get_forecast'
+          type: 'tool_reference'
+        type: 'tool_addition'
+      properties:
+        tool:
+          properties:
+            name:
+              type: 'string'
+            type:
+              enum:
+                - 'tool_reference'
+              type: 'string'
+          required:
+            - 'type'
+            - 'name'
+          type: 'object'
+        type:
+          enum:
+            - 'tool_addition'
+          type: 'string'
+      required:
+        - 'type'
+        - 'tool'
+      type: 'object'
+    MessagesToolRemovalBlock:
+      description: 'Removes a tool from the conversation mid-conversation without invalidating the prompt cache. Only valid in `role: "system"` messages. Not supported on Claude Sonnet 5 or models older than Claude Opus 4.8.'
+      example:
+        tool:
+          name: 'get_weather'
+          type: 'tool_reference'
+        type: 'tool_removal'
+      properties:
+        tool:
+          properties:
+            name:
+              type: 'string'
+            type:
+              enum:
+                - 'tool_reference'
+              type: 'string'
+          required:
+            - 'type'
+            - 'name'
+          type: 'object'
+        type:
+          enum:
+            - 'tool_removal'
+          type: 'string'
+      required:
+        - 'type'
+        - 'tool'
+      type: 'object'
     MetadataLevel:
       description: 'Opt-in level for surfacing routing metadata on the response under `openrouter_metadata`.'
       enum:

.speakeasy/workflow.lock

@@ -2,19 +2,19 @@ speakeasyVersion: 1.787.0
 sources:
     OpenRouter API:
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:b1162425d94a3a5b4980ae71f2b04fbb05421fccbd83357fa34a53904d652a69
-        sourceBlobDigest: sha256:cc117568fbe7b9092b84038b9676517cc56226e8ba6a86b43396eb021d826eb9
+        sourceRevisionDigest: sha256:00d4a3b5a3f008f2b46f301a3e7310d397c100a10e6c70418d60121a4865e259
+        sourceBlobDigest: sha256:84f6a4b5f0ae7eeed219cd9ab1049f6181593d3784464dd93240aff6fd727e74
         tags:
             - latest
             - 1.0.0
 targets:
     open-router:
         source: OpenRouter API
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:b1162425d94a3a5b4980ae71f2b04fbb05421fccbd83357fa34a53904d652a69
-        sourceBlobDigest: sha256:cc117568fbe7b9092b84038b9676517cc56226e8ba6a86b43396eb021d826eb9
+        sourceRevisionDigest: sha256:00d4a3b5a3f008f2b46f301a3e7310d397c100a10e6c70418d60121a4865e259
+        sourceBlobDigest: sha256:84f6a4b5f0ae7eeed219cd9ab1049f6181593d3784464dd93240aff6fd727e74
         codeSamplesNamespace: open-router-python-code-samples
-        codeSamplesRevisionDigest: sha256:c4785d760a1f1040f3f0a5905744bd3f89b98247139064d0cbf800167790edec
+        codeSamplesRevisionDigest: sha256:fde97e93bd267a0402aa8338e3d771c4625562ac29d74bcff2211d824e867055
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: 1.787.0

RELEASES.md

@@ -759,4 +759,14 @@ Based on:
 ### Generated
 - [python v1.0.18] .
 ### Releases
-- [PyPI v1.0.18] https://pypi.org/project/openrouter/1.0.18 - .
+- [PyPI v1.0.18] https://pypi.org/project/openrouter/1.0.18 - .
+
+## 2026-07-24 17:55:08
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.787.0 (2.914.0) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v1.0.19] .
+### Releases
+- [PyPI v1.0.19] https://pypi.org/project/openrouter/1.0.19 - .

docs/components/contenttoolreference.mdx

@@ -4,7 +4,7 @@ title: "ContentToolReference"
 
 ## Fields
 
-| Field                                                              | Type                                                               | Required                                                           | Description                                                        |
-| ------------------------------------------------------------------ | ------------------------------------------------------------------ | ------------------------------------------------------------------ | ------------------------------------------------------------------ |
-| `tool_name`                                                        | *str*                                                              | :heavy_check_mark:                                                 | N/A                                                                |
-| `type`                                                             | [components.TypeToolReference](../components/typetoolreference.mdx) | :heavy_check_mark:                                                 | N/A                                                                |
+| Field                                                                                                      | Type                                                                                                       | Required                                                                                                   | Description                                                                                                |
+| ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- |
+| `tool_name`                                                                                                | *str*                                                                                                      | :heavy_check_mark:                                                                                         | N/A                                                                                                        |
+| `type`                                                                                                     | [components.MessagesMessageParamTypeToolReference](../components/messagesmessageparamtypetoolreference.mdx) | :heavy_check_mark:                                                                                         | N/A                                                                                                        |

docs/components/messagesmessageparamcontentunion4.mdx

@@ -76,3 +76,15 @@ value: components.ContentCompaction = /* values here */
 value: components.MessagesAdvisorToolResultBlock = /* values here */
 ```
 
+### `components.MessagesToolAdditionBlock`
+
+```python
+value: components.MessagesToolAdditionBlock = /* values here */
+```
+
+### `components.MessagesToolRemovalBlock`
+
+```python
+value: components.MessagesToolRemovalBlock = /* values here */
+```
+

docs/components/messagesmessageparamtypetoolreference.mdx

@@ -0,0 +1,15 @@
+---
+title: "MessagesMessageParamTypeToolReference"
+---
+
+## Example Usage
+
+```python
+from openrouter.components import MessagesMessageParamTypeToolReference
+value: MessagesMessageParamTypeToolReference = "tool_reference"
+```
+
+
+## Values
+
+- `"tool_reference"`