Add initial docs for xAI Grok node and creds (#3148)

docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatxaigrok.md

@@ -0,0 +1,46 @@
+---
+#https://www.notion.so/n8n/Frontmatter-432c2b8dff1f43d4b1c8d20075510fe4
+title: xAI Grok Chat Model node documentation
+description: Learn how to use the xAI Grok Chat Model node in n8n. Follow technical documentation to integrate xAI Grok Chat Model node into your workflows.
+contentType: [integration, reference]
+priority: medium
+---
+
+# xAI Grok Chat Model node
+
+Use the xAI Grok Chat Model node to access xAI Grok's large language models for conversational AI and text generation tasks.
+
+On this page, you'll find the node parameters for the xAI Grok Chat Model node, and links to more resources.
+
+/// note | Credentials 
+You can find authentication information for this node [here](/integrations/builtin/credentials/xai.md).
+///
+
+--8<-- "_snippets/integrations/builtin/cluster-nodes/sub-node-expression-resolution.md"
+
+## Node parameters
+
+* **Model**: Select the model which will generate the completion. n8n dynamically loads available models from the xAI Grok API. Learn more in the [xAI Grok model documentation](https://docs.x.ai/docs/models).
+
+## Node options
+
+* **Frequency Penalty**: Use this option to control the chances of the model repeating itself. Higher values reduce the chance of the model repeating itself.
+* **Maximum Number of Tokens**: Enter the maximum number of tokens used, which sets the completion length. Most models have a context length of 2048 tokens with the newest models supporting up to 32,768 tokens. 
+* **Response Format**: Choose **Text** or **JSON**. **JSON** ensures the model returns valid JSON.
+* **Presence Penalty**: Use this option to control the chances of the model talking about new topics. Higher values increase the chance of the model talking about new topics.
+* **Sampling Temperature**: Use this option to control the randomness of the sampling process. A higher temperature creates more diverse sampling, but increases the risk of hallucinations.
+* **Timeout**: Enter the maximum request time in milliseconds.
+* **Max Retries**: Enter the maximum number of times to retry a request.
+* **Top P**: Use this option to set the probability the completion should use. Use a lower value to ignore less probable options. 
+
+## Templates and examples
+
+<!-- see https://www.notion.so/n8n/Pull-in-templates-for-the-integrations-pages-37c716837b804d30a33b47475f6e3780 -->
+[[ templatesWidget(page.title, 'xai-grok-chat-model') ]]
+
+## Related resources
+
+Refer to [xAI Grok's API documentation](https://docs.x.ai/docs/api-reference) for more information about the service.
+
+--8<-- "_snippets/integrations/builtin/cluster-nodes/langchain-overview-link.md"
+--8<-- "_glossary/ai-glossary.md"

docs/integrations/builtin/credentials/xai.md

@@ -0,0 +1,33 @@
+---
+#https://www.notion.so/n8n/Frontmatter-432c2b8dff1f43d4b1c8d20075510fe4
+title: xAI credentials
+description: Documentation for xAI credentials. Use these credentials to authenticate xAI in n8n, a workflow automation platform.
+contentType: [integration, reference]
+priority: critical
+---
+
+# xAI credentials
+
+You can use these credentials to authenticate the following nodes:
+
+- [Chat xAI Grok](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatxaigrok.md)
+
+## Prerequisites
+
+Create an [xAI](https://accounts.x.ai/sign-up) account.
+
+## Supported authentication methods
+
+- API key
+
+## Related resources
+
+Refer to [xAI's API documentation](https://docs.x.ai/docs/api-reference) for more information about the service.
+
+## Using API key
+
+To configure this credential, you'll need:
+
+- An **API Key**: You can create a new API key on the [xAI Console API Keys page](https://console.x.ai/team/default/api-keys).
+
+Refer to the [The Hitchhiker's Guide to Grok | xAI](https://docs.x.ai/docs/tutorial) for more information.

nav.yml

@@ -727,6 +727,7 @@ nav:
             - OpenAI Chat Model: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenai/index.md
             - Common issues: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenai/common-issues.md
           - OpenRouter Chat Model: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatopenrouter.md
+          - xAI Grok Chat Model: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatxaigrok.md
           - Cohere Model: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmcohere.md
           - Ollama Model:
             - Ollama Model: integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmollama/index.md
@@ -1066,6 +1067,7 @@ nav:
         - integrations/builtin/credentials/workable.md
         - integrations/builtin/credentials/wufoo.md
         - integrations/builtin/credentials/twitter.md
+        - integrations/builtin/credentials/xai.md
         - integrations/builtin/credentials/xata.md
         - integrations/builtin/credentials/xero.md
         - integrations/builtin/credentials/yourls.md

styles/config/vocabularies/default/accept.txt

@@ -96,6 +96,7 @@ geocodes
 GIMP
 Gotify
 Grafana
+Grok('s)?
 Groq
 GSuite
 Gumroad
@@ -265,6 +266,7 @@ WeKan
 [Ww]ireframe
 WordPress
 Wufoo
+xAI
 Xata
 Xero
 Zabbix