# Developers

- [React SDK](https://docs.feathery.io/develop/react.md): @feathery/react is a React library that allows you to embed Feathery forms, access form state, and modify form behavior.
- [API Guide](https://docs.feathery.io/develop/react/api-guide.md): @feathery/react's API guide
- [init()](https://docs.feathery.io/develop/react/api-guide/init.md): Async function that initializes Feathery
- [\<Form>](https://docs.feathery.io/develop/react/api-guide/form.md): React component that renders a Feathery form
- [contextRef](https://docs.feathery.io/develop/react/api-guide/form/contextref.md): ref object that can be used to access the context of a form
- [Event Handlers](https://docs.feathery.io/develop/react/api-guide/form/event-handlers.md): Pass event handlers as props to the \<Form> component to get access to the form at specific interaction points, including submission, errors, and more.
- [onSubmit()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onsubmit.md): This event handler runs when a step of the form is submitted.
- [onLoad()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onload.md): This event handler runs when a step of the form is loaded.
- [onChange()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onchange.md): This event handler runs when a field value is changed.
- [onAction()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onaction.md): This event handler runs when any form action is triggered.
- [onError()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onerror.md): This event handler runs when the form runs into a validation error.
- [onFormComplete()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onformcomplete.md): This event handler runs when a user completes the entire form.
- [onView()](https://docs.feathery.io/develop/react/api-guide/form/event-handlers/onview.md): This event handler runs when a specific element becomes visible on the page.
- [Custom JSX Components](https://docs.feathery.io/develop/react/api-guide/form/custom-jsx-components.md): Embed custom JSX components into your Feathery form.
- [PopupOptions](https://docs.feathery.io/develop/react/api-guide/form/popupoptions.md): Configure your form to display above the rest of your site as a popup.
- [initialLoader](https://docs.feathery.io/develop/react/api-guide/form/initialloader.md): Options for a loader while your form initializes
- [getFieldValues()](https://docs.feathery.io/develop/react/api-guide/getfieldvalues.md): Function that fetches all of the field values of the current user of your form.
- [setFieldValues()](https://docs.feathery.io/develop/react/api-guide/setfieldvalues.md): setFieldValues allows you to set custom values for the current user of your form on specific form and hidden fields.
- [updateUserId()](https://docs.feathery.io/develop/react/api-guide/updateuserid.md): Change to a new user in your Feathery session or update the existing user's ID
- [Login API](https://docs.feathery.io/develop/react/api-guide/login-api.md): @feathery/react's login API guide
- [\<LoginForm>](https://docs.feathery.io/develop/react/api-guide/login-api/login-form.md): Similar to the \<Form> component but optimized to easily introduce login, signup, and onboarding functionality into your custom app.
- [useAuthClient()](https://docs.feathery.io/develop/react/api-guide/login-api/useauthclient.md): A React hook that returns the auth library corresponding to your chosen auth integration.
- [Inline vs Popup Form](https://docs.feathery.io/develop/react/inline-vs-popup-form.md): Your Feathery form can be shown inline with the rest of the document or above the rest of the document as a popup.
- [Javascript SDK](https://docs.feathery.io/develop/javascript.md): Feathery's Javascript library allows you to embed Feathery forms, access form state, and modify form behavior.
- [Context API](https://docs.feathery.io/develop/context-api.md): Common API functionality across advanced logic, event handlers, and the context ref.
- [Field Object](https://docs.feathery.io/develop/context-api/field-object.md)
- [field.setStyles()](https://docs.feathery.io/develop/context-api/field.setstyles.md): The API for setting field styles
- [Deprecated Context API](https://docs.feathery.io/develop/context-api/deprecated-context-api.md): Context functions that have been deprecated and will be fully removed in a future SDK release
- [Feathery MCP](https://docs.feathery.io/develop/feathery-mcp.md): Connect AI assistants to Feathery with MCP to securely manage forms, submissions, users, hidden fields, document extractions, and logs.
- [Connecting to Feathery MCP](https://docs.feathery.io/develop/feathery-mcp/connecting-to-feathery-mcp.md): Learn how to connect Feathery MCP to Claude Code, Codex, Cursor, VS Code, and other MCP-compatible AI tools using your API key.
- [Supported Tools](https://docs.feathery.io/develop/feathery-mcp/supported-tools.md): Explore Feathery MCP tools for forms, submissions, users, hidden fields, team accounts, AI document extractions, templates, and logs.
- [Security, Limits and Troubleshooting](https://docs.feathery.io/develop/feathery-mcp/security-limits-and-troubleshooting.md): Review Feathery MCP security guidance, API key best practices, data access controls, supported actions, and troubleshooting tips.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.feathery.io/develop.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.