# Docs: English Using Langdock

## Using Langdock

### Get Started

- [Introduction to Langdock](https://docs.langdock.com/en/using-langdock/get-started/introduction.md): Explore Langdock's core areas, including Chat, Agents, API, Integrations, Workflows, Library, and Skills.

### Chat

- [Basic Chat functionalities](https://docs.langdock.com/en/using-langdock/chat/functionalities.md): To select a model and interact with messages and responses in the chat, use the model selector in the chat input bar and the actions for prompts and responses.
- [Document Editor](https://docs.langdock.com/en/using-langdock/chat/document-editor.md): The Document Editor opens as a panel in your chat so you can write and format documents, or build interactive applications with code, without leaving the conversation.
- [Prompt Library](https://docs.langdock.com/en/using-langdock/chat/prompt-library.md): Save, organize, and share your best prompts with the prompt library. Use variables for flexible templates and collaborate with your team.
- [Projects](https://docs.langdock.com/en/using-langdock/chat/projects.md): Group related chats with shared files and project instructions for better workflow organization
- [Scheduled tasks](https://docs.langdock.com/en/using-langdock/chat/scheduled.md): Run a saved prompt on a recurring schedule, like a daily briefing or a weekly summary.

#### Tools

- [Image Generation](https://docs.langdock.com/en/using-langdock/chat/tools/image-generation.md): To generate images based on your text input, you can use the image generation tool. Here, the model you selected sends a prompt to an image generation model from our providers, which are specifically built for image generation.
- [Document Search](https://docs.langdock.com/en/using-langdock/chat/tools/document-search.md): Search and analyze uploaded documents using AI-powered text extraction.
- [Company Knowledge](https://docs.langdock.com/en/using-langdock/chat/tools/company-knowledge.md): Search across your connected integrations to find answers in your company's documents, messages, and data.
- [Web Search](https://docs.langdock.com/en/using-langdock/chat/tools/web-search.md): AI models have knowledge cutoffs because they can't learn new information after training. To access current information or web results, you can use the Web Search tool.
- [Image Analysis (Vision)](https://docs.langdock.com/en/using-langdock/chat/tools/image-analysis.md): Vision models can read images you upload in chat, so they can extract text, describe a screenshot, or analyze visual data.
- [Memory](https://docs.langdock.com/en/using-langdock/chat/tools/memory.md): Memory offers deeper personal customization of the model's behavior, by allowing them to remember information from past interactions.
- [Deep Research](https://docs.langdock.com/en/using-langdock/chat/tools/deep-research.md): Deep Research creates comprehensive, citable reports by conducting strategic web searches and synthesizing findings from multiple sources.
- [Mermaid Diagrams](https://docs.langdock.com/en/using-langdock/chat/tools/mermaid.md): Create Mermaid diagrams in Langdock Chat and refine, interact with, and export them
- [Actions in Chat](https://docs.langdock.com/en/using-langdock/chat/tools/actions-in-chat.md): Access integrations, Agents, Skills, Knowledge bases, Prompts, and Workflows in chat using @.
- [Workflows](https://docs.langdock.com/en/using-langdock/chat/tools/workflows.md): Trigger automated workflows directly from chat — mention them with @ or use them through agents.

### Skills

- [Introduction to Skills](https://docs.langdock.com/en/using-langdock/skills/introduction.md): Skills are reusable instruction sets that activate automatically in chat, giving every response the right context without extra setup.
- [Creating Skills](https://docs.langdock.com/en/using-langdock/skills/creating-skills.md): Three ways to create a Skill: write instructions manually, generate them with chat, or upload a Markdown file or ZIP bundle.
- [Workspace Skills](https://docs.langdock.com/en/using-langdock/skills/workspace-skills.md): Deploy Skills across your entire workspace as defaults or mandated rules so every user benefits from day one.
- [Skills and Integrations](https://docs.langdock.com/en/using-langdock/skills/skills-integrations.md): Attach integrations to a Skill so their actions become available automatically whenever the Skill is active in a chat.
- [System Skills](https://docs.langdock.com/en/using-langdock/skills/system-skills.md): Built-in Skills available in regular chats, with file generation and Data Visualization also active in Agent and Project chats.

### Library

- [Introduction to Library](https://docs.langdock.com/en/using-langdock/library/introduction.md): The Library is where you create files, manage Folders and Knowledge bases, and find generated and imported files in Recent Files.
- [File Templates](https://docs.langdock.com/en/using-langdock/library/file-templates.md): Upload documents and presentations as reusable templates. Share them when you want others to generate files in the same format and style.
- [Recent Files](https://docs.langdock.com/en/using-langdock/library/recent-files.md): Preview, download, and organize generated and imported files in your personal Recent Files list.
- [Folders](https://docs.langdock.com/en/using-langdock/library/folders.md): Create shared folders for files you want to work on with AI in chat.
- [Knowledge bases](https://docs.langdock.com/en/using-langdock/library/knowledge-bases.md): Create searchable document collections for chat, Agents, Workflows, and the Knowledge Folder API.

### Agents

- [Introduction to Agents](https://docs.langdock.com/en/using-langdock/agents/introduction.md): Agents are specialized chatbots you can configure for specific use cases or documents. They work like regular chat, but with saved context (documents and instructions) so you don't need to set up the same conversation repeatedly.
- [Agent Builder](https://docs.langdock.com/en/using-langdock/agents/agent-builder.md): Create and edit agents by describing what you want in natural language. The Agent Builder chat configures instructions, knowledge, actions, and more from your description.
- [Agent Configuration](https://docs.langdock.com/en/using-langdock/agents/configuration.md): There are different tools you can use to configure the agent and tailor it to your specific use case.
- [Advanced Features](https://docs.langdock.com/en/using-langdock/agents/advanced-features.md): Organize, manage, and optimize your agents with labels, pinning, duplication, owner transfer, conversation starters, and admin controls.
- [Archive agents](https://docs.langdock.com/en/using-langdock/agents/archive.md): Archive unused agents so they leave the active list without being deleted. Restore them when you need them again.
- [Form Fields](https://docs.langdock.com/en/using-langdock/agents/form-fields.md): Configure form input fields for your agents to collect structured information from users before starting a conversation.
- [Subagents](https://docs.langdock.com/en/using-langdock/agents/subagents.md): Attach specialized agents to a parent agent to split responsibilities and delegate tasks, instead of overloading a single agent's instructions.
- [Agent Templates](https://docs.langdock.com/en/using-langdock/agents/templates.md): Agent templates are pre-built agent configurations that you can browse, preview, and import to your workspace. Use templates to quickly get started with proven setups for common use cases.
- [Agent Evals](https://docs.langdock.com/en/using-langdock/agents/agent-evals.md): Agent Evals lets you test your agent with structured test sets before publishing a new version, so you can catch issues before they reach your team.
- [Agent Analytics](https://docs.langdock.com/en/using-langdock/agents/analytics.md): Agent Analytics shows data on agent usage and user feedback. Use this page to review activity metrics, analyze feedback, and export data for further analysis.
- [Agent Use Cases](https://docs.langdock.com/en/using-langdock/agents/agent-templates.md): We have collected a list of agents and use cases to inspire you how to utilize Langdock for your specific needs. Let us know if you need more details or have additional requests.

### Workflows

- [Introduction to Workflows](https://docs.langdock.com/en/using-langdock/workflows/introduction.md): Build powerful AI-driven automations by connecting AI agents, integrations, and custom logic into multi-step workflows.
- [Getting Started](https://docs.langdock.com/en/using-langdock/workflows/getting-started.md): Build your first workflow with this step-by-step guide. Learn how to create a simple automation that processes form submissions with AI.
- [Workflow Builder](https://docs.langdock.com/en/using-langdock/workflows/workflow-builder.md): Design and automate processes through a conversational AI interface that generates complete workflows from natural language descriptions.

#### Fundamentals

- [Core Concepts](https://docs.langdock.com/en/using-langdock/workflows/fundamentals/core-concepts.md): Understand the fundamental building blocks of workflows including nodes, triggers, connections, and execution.
- [Field Modes](https://docs.langdock.com/en/using-langdock/workflows/fundamentals/field-modes.md): Configure node fields with Auto, Manual, and AI Prompt modes.
- [Human in the Loop](https://docs.langdock.com/en/using-langdock/workflows/fundamentals/human-in-the-loop.md): Pause a workflow so a person can approve, reject, confirm an action, or provide information.
- [Variable Usage](https://docs.langdock.com/en/using-langdock/workflows/fundamentals/variable-usage.md): Learn how to access, reference, and work with variables across your workflow nodes to build dynamic and powerful automations.

#### Node Types

- [Agent](https://docs.langdock.com/en/using-langdock/workflows/nodes/agent-node.md): Use AI to analyze data, make decisions, generate content, and extract structured information.
- [Action](https://docs.langdock.com/en/using-langdock/workflows/nodes/action-node.md): Perform actions in connected applications like creating tasks, sending messages, or updating records.
- [Web Search](https://docs.langdock.com/en/using-langdock/workflows/nodes/web-search-node.md): Search the internet and retrieve relevant information for fact-checking and research.
- [File Search](https://docs.langdock.com/en/using-langdock/workflows/nodes/file-search-node.md): Search and retrieve information from Knowledge bases to enrich workflows with organizational knowledge.
- [HTTP Request](https://docs.langdock.com/en/using-langdock/workflows/nodes/http-request-node.md): Make HTTP requests to external APIs for custom integrations and data fetching.
- [Condition](https://docs.langdock.com/en/using-langdock/workflows/nodes/condition-node.md): Route workflow execution down different paths based on conditions and logic.
- [Loop](https://docs.langdock.com/en/using-langdock/workflows/nodes/loop-node.md): Iterate over arrays and process multiple items with the same logic.
- [Code](https://docs.langdock.com/en/using-langdock/workflows/nodes/code-node.md): Write JavaScript or Python code directly from within your workflow.
- [Guardrails](https://docs.langdock.com/en/using-langdock/workflows/nodes/guardrails-node.md): Validate AI outputs and workflow data with automated checks for safety, accuracy, and compliance.
- [Delay](https://docs.langdock.com/en/using-langdock/workflows/nodes/delay-node.md): Add a pause to your workflow execution between 1 second and 24 hours.
- [Send Notification](https://docs.langdock.com/en/using-langdock/workflows/nodes/notification-node.md): Send in-app notifications to your Langdock inbox.
- [Image Generation](https://docs.langdock.com/en/using-langdock/workflows/nodes/image-generation-node.md): Generate images from text prompts using AI models in your workflows.
- [Output](https://docs.langdock.com/en/using-langdock/workflows/nodes/output-node.md): Capture and persist a value as the final result of your workflow run.

##### Triggers

- [Integration Trigger](https://docs.langdock.com/en/using-langdock/workflows/nodes/triggers/integration-trigger.md): Start workflows automatically when events occur in your connected applications.
- [Scheduled Trigger](https://docs.langdock.com/en/using-langdock/workflows/nodes/triggers/scheduled-trigger.md): Run workflows automatically on a recurring schedule with flexible timing options.
- [Manual Trigger](https://docs.langdock.com/en/using-langdock/workflows/nodes/triggers/manual-trigger.md): Run workflows on-demand with a button click for testing and ad-hoc processing.
- [Form Trigger](https://docs.langdock.com/en/using-langdock/workflows/nodes/triggers/form-trigger.md): Start workflows from custom form submissions with built-in validation and public access options.
- [Webhook Trigger](https://docs.langdock.com/en/using-langdock/workflows/nodes/triggers/webhook-trigger.md): Receive HTTP POST requests to trigger workflows and integrate with external systems.

#### Guides

- [Runtime limits](https://docs.langdock.com/en/using-langdock/workflows/guides/limits.md): Look up the caps that stop a workflow run so you can size loops, files, and node outputs before you publish.
- [Cost Management](https://docs.langdock.com/en/using-langdock/workflows/guides/cost-management.md): Understand workflow costs and learn strategies to optimize spending while maintaining performance.
- [Node Types](https://docs.langdock.com/en/using-langdock/workflows/guides/node-types.md): Complete reference for all available workflow nodes including triggers, agents, actions, logic, and utilities.

### Integrations

- [Introduction to Integrations](https://docs.langdock.com/en/using-langdock/integrations/introduction.md): Integrations connect Langdock to the tools your team already uses. Instead of switching between apps to look something up or take action, you can do it directly from your conversation.
- [Connections](https://docs.langdock.com/en/using-langdock/integrations/connections.md): Learn how connections work in Langdock, including authentication types, ownership, and sharing options for agents and workflows.
- [Integration Directory](https://docs.langdock.com/en/using-langdock/integrations/integration-directory.md): Browse all integrations available in Langdock. Connect your existing tools to use them directly in chat, agents, and workflows.
- [Agent-to-Agent Protocol (A2A)](https://docs.langdock.com/en/using-langdock/integrations/a2a-protocol.md): A2A is an open protocol enabling AI agents to communicate and collaborate across platforms. Learn how to build and connect A2A-compatible agents.

#### MCP

- [Building MCP Servers with MCP Apps](https://docs.langdock.com/en/using-langdock/integrations/mcp-ui.md): MCP Apps is an official MCP extension that lets your server return interactive UIs rendered directly inside Langdock and other MCP hosts.
- [MCP Server Directory](https://docs.langdock.com/en/using-langdock/integrations/mcp-directory.md): A curated directory of verified MCP servers you can connect to Langdock. All servers listed here are officially maintained by their respective companies.

### Desktop app

- [Desktop app](https://docs.langdock.com/en/using-langdock/desktop-app/introduction.md): The desktop app is the same Langdock workspace in a native Mac or Windows window. Download it, install it, and sign in from your browser.

### Microsoft Add-ins

- [Excel Add-in](https://docs.langdock.com/en/using-langdock/microsoft-add-ins/excel.md): With the Excel add-in you can work with Langdock without leaving your Excel workbook.
- [Outlook Add-in](https://docs.langdock.com/en/using-langdock/microsoft-add-ins/outlook.md): With the Outlook add-in you can work with Langdock without leaving your Outlook inbox or calendar.

### Models & Limits

- [Model Guide](https://docs.langdock.com/en/using-langdock/models-and-limits/models.md): One of our core-values is to build a tool which is model-agnostic. This means we do not want to restrict users to models from just one provider, but rather allow them to choose which model from which provider to use. Each model has different strengths and we encourage you to test the different model…
- [Context Window](https://docs.langdock.com/en/using-langdock/models-and-limits/context-window.md): Learn how chat context works, how the context window indicator helps you manage it, and how context usage differs from usage limits.
- [Usage Limits](https://docs.langdock.com/en/using-langdock/models-and-limits/fair-usage-policy.md): Understand how usage is measured, what your limits are, and what happens when you reach them.
- [Usage Tips](https://docs.langdock.com/en/using-langdock/models-and-limits/usage-tips.md): This section covers practical tips for getting the most out of your usage.

### Guides

#### Use Cases

- [Using Langdock for Data Analysis](https://docs.langdock.com/en/using-langdock/guides/data-analysis.md): Analyze tabular files, calculate metrics, create charts, and generate data files in Langdock.

#### Agents

- [Creating an Agent](https://docs.langdock.com/en/using-langdock/guides/agents/agent-creation.md): This guide shows you how to build an agent. We will use an example of an onboarding agent, but the steps and considerations can be used with any use case.
- [Agent Configurator Template](https://docs.langdock.com/en/using-langdock/guides/agents/agent-configurator.md): This agent helps you to build other agents for specific use cases. You can use the configuration below and paste it in an agent in your workspace.

#### Knowledge

- [Knowledge Basics](https://docs.langdock.com/en/using-langdock/guides/knowledge/knowledge-basics.md): Learn how Langdock processes your files and knowledge: when documents are read in full and when embedding search finds the relevant content.
- [Vector Databases & Knowledge bases](https://docs.langdock.com/en/using-langdock/guides/knowledge/vector-databases-knowledge-folders.md): Learn how to use vector databases and Knowledge bases in Langdock to work with large document collections.
- [Types of Knowledge](https://docs.langdock.com/en/using-langdock/guides/knowledge/knowledge-types.md): Overview of the different ways to add knowledge in Langdock: file uploads, integrations, folder sync, Knowledge bases, and actions.
- [Best Practices & Tips](https://docs.langdock.com/en/using-langdock/guides/knowledge/best-practices.md): Proven methods and practical tips for effectively using Langdock in your team.

#### Integrations

- [Using Integrations](https://docs.langdock.com/en/using-langdock/guides/integrations/using-integrations.md): This guide shows you how to use integrations within agents. We use the example of the Google Calendar integration, but the steps and considerations are valid for any other Langdock or custom integration.
- [FAQ & Troubleshooting](https://docs.langdock.com/en/using-langdock/guides/integrations/faq.md): We have collected a few frequently asked questions and steps to resolve issues.
- [Integration Builder Agent](https://docs.langdock.com/en/using-langdock/guides/integrations/integration-builder-agent.md): Describe the integration you need in natural language. The Integration Builder Agent sets up authentication, actions, and triggers for you.
- [Creating Custom Integrations](https://docs.langdock.com/en/using-langdock/guides/integrations/create-integrations.md): Custom integrations let you connect any API-enabled tool to an agent. This opens up endless possibilities. Below you find a comprehensive guide on how to build integrations, actions, and triggers.
- [Sandbox Utility Functions](https://docs.langdock.com/en/using-langdock/guides/integrations/sandbox-utilities.md): Complete reference for built-in JavaScript utility functions available in custom integrations, actions, triggers, and workflow code nodes
- [File Support in Custom Integrations](https://docs.langdock.com/en/using-langdock/guides/integrations/file-support-for-actions.md): Handle file inputs and outputs in custom actions and triggers.
- [Action Builder Agent](https://docs.langdock.com/en/using-langdock/guides/integrations/agent.md): This agent helps you write actions for your integration. Simply add relevant documentation, describe your use case, and chat with the agent to write the JavaScript.
- [Folder Sync](https://docs.langdock.com/en/using-langdock/guides/integrations/folder-sync.md): Sync folders from SharePoint, Google Drive, OneDrive, or Confluence Cloud to keep agent and project knowledge current.
- [Vector Databases](https://docs.langdock.com/en/using-langdock/guides/integrations/vector-databases.md): Integrate your vector database with Langdock and let your agent perform a semantic search across your data.

##### MCP

- [Model Context Protocol (MCP)](https://docs.langdock.com/en/using-langdock/guides/integrations/mcp/mcp.md): Langdock’s implementation of the Model Context Protocol (MCP) enables seamless integration with external tools and services, providing powerful extensibility for AI agents and chat interactions.
- [Langdock Agent MCP Server](https://docs.langdock.com/en/using-langdock/guides/integrations/mcp/langdock-agent-mcp-server.md): Access your Langdock agents from any MCP-compatible AI client. The Langdock MCP Server exposes your workspace agents as MCP tools.
- [File Input in MCP Tools](https://docs.langdock.com/en/using-langdock/guides/integrations/mcp/mcp-file-input.md): Learn how to pass files to MCP tools in Langdock. When an MCP tool declares a file input field, Langdock resolves file references into structured FileData objects automatically.
- [MCP File Outputs](https://docs.langdock.com/en/using-langdock/guides/integrations/mcp/mcp-file-outputs.md): Learn how MCP servers can expose files to Langdock through resources. Langdock turns MCP resource content with text or base64 data into downloadable file attachments.

#### Skills

- [Using Skills](https://docs.langdock.com/en/using-langdock/guides/skills/skills-guide.md): A practical guide to building your first Skills, with full worked examples you can copy or adapt.
- [Webinar & FAQ](https://docs.langdock.com/en/using-langdock/guides/skills/faq.md): Answers to common questions about Agents and Skills in Langdock.

#### Library & Templates

- [Using File Templates](https://docs.langdock.com/en/using-langdock/guides/library/library-guide.md): A practical guide to generating high-quality documents and presentations from your own templates, including how to prompt, iterate, and share.
- [Webinar & FAQ](https://docs.langdock.com/en/using-langdock/guides/library/faq.md): Answers to common questions about the Library and File Templates in Langdock.

#### Chatbots

- [How to use the Slack Bot](https://docs.langdock.com/en/using-langdock/guides/chatbots/slack.md): Use Langdock models and Agents directly in Slack
- [How to use the Teams Bot](https://docs.langdock.com/en/using-langdock/guides/chatbots/teams-bot.md): Use Langdock models and agents directly in Microsoft Teams

#### Prompt Engineering

- [Further Resources](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/further-resources.md): Looking to level up your prompt engineering skills? We've curated these resources to help you master the craft, from foundational concepts to advanced techniques.

##### Basics

- [Basics: Prompt Elements](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/basics/prompt-elements.md): Prompt elements are the building blocks that make your LLM interactions more effective. Think of them as ingredients in a recipe, each one helps the AI understand exactly what you need and how to deliver it. You don't need all four every time, but combining a few will dramatically improve your resul…
- [Basics of AI models](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/basics/basics.md): This is a basic guide to understand the fundamentals of how AI models work. It lays the foundation for deeper concepts explained in this guide.

##### Advanced Techniques

- [Advanced: Tips & Tricks](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/tricks.md): Discover some valuable insights we have gathered over time and are excited to share with you. Dive in to discover how to craft clear, effective prompts and avoid common pitfalls, ensuring you get the best possible responses every time.
- [Prompting Techniques](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/prompting-techniques.md): Learn the three fundamental prompting techniques: zero-shot, few-shot, and chain-of-thought prompting.

###### Advanced Principles

- [Clear and Specific Instructions](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/advanced-principles/instructions.md): Learn how to provide clear and specific instructions to guide AI responses and avoid vague, generic outputs.
- [Structure Your Prompt](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/advanced-principles/structure-prompt.md): There are two main ways to structure prompts: simple delimiters and XML tags. The choice depends on your complexity needs.
- [Control Output Format](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/advanced-principles/output-format.md): Control AI responses by explicitly specifying output formats like JSON, XML, Markdown, tables, or custom structures.
- [Chain Prompts](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/advanced-principles/chain-prompts.md): Break down complex tasks into smaller, manageable steps to guide AI through systematic execution and ensure comprehensive results.
- [Give the LLM a Role](https://docs.langdock.com/en/using-langdock/guides/prompt-engineering/advanced-techniques/advanced-principles/role.md): Improve response quality by assigning AI a specific role to activate relevant knowledge patterns and domain expertise.

### Account

- [Account Settings](https://docs.langdock.com/en/using-langdock/account/account.md): Manage your profile, preferences, shared chats, custom instructions, API keys, usage, security, notifications, and memory from Account Settings.
- [Personal API keys](https://docs.langdock.com/en/using-langdock/account/personal-api-keys.md): Create and manage a personal API key for coding tools and your own projects.
- [Custom instructions](https://docs.langdock.com/en/using-langdock/account/custom-instructions.md): Provide custom instructions to improve responses.

### Resources

- [Feature Overview](https://docs.langdock.com/en/using-langdock/resources/feature-overview.md): Complete list of Langdock features and capabilities
- [Dictionary](https://docs.langdock.com/en/using-langdock/resources/dictionary.md): Understand the most crucial terms in the AI world with this guide.
- [Tricks and Shortcuts](https://docs.langdock.com/en/using-langdock/resources/tricks-and-shortcuts.md): To accelerate your work with Langdock, there are a few shortcuts and tricks you can use, like CMD + K.
- [Langdock Workshops](https://docs.langdock.com/en/using-langdock/resources/langdock-workshops.md): This page contains the official Langdock workshops and recordings.
- [Langdock Cheat Sheet](https://docs.langdock.com/en/using-langdock/resources/cheat-sheet.md): Your essential companion for getting the most out of Langdock

### Troubleshooting

#### FAQ

- [Which file types does Langdock support?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/supported-file-types.md): Reference of common supported file types in Langdock, including text, tabular, image, audio, and video files with size limits.
- [What are the file limits in the chat and in agents?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/file-limit.md): Learn the attachment limits for chat messages and Agents, and how to work with larger document collections using Knowledge bases.
- [When should I use direct files, a Knowledge base, or Folder Sync?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/attachments.md): Choose between direct file attachments, Knowledge bases, and Folder Sync based on file quantity, length, and update frequency.
- [How does a file attachment work and how is it different from a Knowledge base?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/knowledge-folders-and-direct-attachments.md): Understand the difference between direct file attachments and Knowledge bases, including how each processes documents for AI responses.
- [When are newly released models available in Langdock?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/model-availability.md): Learn why a provider's model release date can differ from model availability in your workspace.
- [Can I add tabular data such as Excel or CSV files to a Knowledge base?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/tabular-files-in-knowledge-folders.md): Learn why tabular data cannot be added to Knowledge bases and how to work with Excel and CSV files in Langdock.
- [How long are files saved in Langdock?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/data-retention-for-files.md): Understand how long files are stored in Langdock and how data retention policies affect chats, agents, and folders.
- [Can I share a chat with Langdock Support?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/share-chat-with-support.md): Learn when you can share a conversation with Langdock Support, what Support can access, and how long access lasts.
- [Why can I not add a repository to a chat, an agent, or a Knowledge base?](https://docs.langdock.com/en/using-langdock/troubleshooting/faq/repository-in-knowledge-folder.md): Understand why full repositories cannot be added to Langdock and learn the best practices for working with code files.