> For the complete documentation index, see [llms.txt](https://docs.stackai.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.stackai.com/stackai-tools/overview.md).

# Overview

StackAI tools perform specific tasks within an agent or workflow: search for information, process documents, create files, or take an action. Use this catalog to choose an operation and understand its inputs, results, and limits.

## Choose a tool for your task

| Task                                                            | Tools to explore                                                                       |
| --------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
| Find information online or in connected applications            | [Search and Research](/stackai-tools/search-and-research.md)                           |
| Search and read your organization's indexed documents           | [Knowledge Base Access](/stackai-tools/knowledge-base-access.md)                       |
| Extract, summarize, translate, or split documents               | [Document Processing](/stackai-tools/document-processing.md)                           |
| Create downloads and convert file formats                       | [File Creation and Conversion](/stackai-tools/file-creation-and-conversion.md)         |
| Read media or generate images                                   | [Images, Audio, and Video](/stackai-tools/images-audio-and-video.md)                   |
| Analyze data and transform structured results                   | [Data and Code](/stackai-tools/data-and-code.md)                                       |
| Complete browser tasks and work with sandbox files              | [Browser and Computer](/stackai-tools/browser-and-computer.md)                         |
| Create slides or content for a chat interface                   | [Content and Interface Generation](/stackai-tools/content-and-interface-generation.md) |
| Send a request, ask a user a question, or manage a conversation | [Communication and Human Input](/stackai-tools/communication-and-human-input.md)       |
| Read the time or calculate a weekday                            | [Time and Scheduling](/stackai-tools/time-and-scheduling.md)                           |
| Run another project or inspect available workflow operations    | [Workflow and Catalog Tools](/stackai-tools/workflow-and-catalog-tools.md)             |
| Create, validate, and maintain reusable skills                  | [Skill Management](/stackai-tools/skill-management.md)                                 |
| Start a workflow on a schedule or an incoming event             | [Built-in Triggers](/stackai-tools/built-in-triggers.md)                               |

## Use a tool in an agent or workflow

In an agent, attach the tools it can choose from and describe when it should use each one. In a workflow, add the action to the processing sequence and connect its required input values. A tool's output can become input for a later step; adding the tool alone does not display its result to a user.

Follow [Give an agent tools](/guides-and-quickstarts/agent-builder-and-skills/give-an-agent-tools.md) or [Configure and test an action](/guides-and-quickstarts/using-tools-and-actions/configure-and-test-an-action.md) for the full setup procedure. Each tool page explains what to supply and how to check the returned result.

## Availability and access

Use the tool name shown in your picker. Available tools depend on your deployment and organization settings. StackAI Computer tools require that capability to be available. Interactive tools can also require a chat session; they are not interchangeable with background or API operations.

For a third-party service's credentials, permissions, and provider-specific actions, use the [Provider Catalog](/integrations/catalog.md).

## Maintain an older workflow

[Legacy Tools and Migration](/stackai-tools/legacy-tools-and-migration.md) identifies deprecated tools and explains the available alternatives. Tools no longer offered in the picker are not recommendations for new workflows. Check input mappings, returned fields, and user-visible behavior when replacing an existing tool.


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