Glossary

One-line definitions in alphabetical order. Core concepts explains how they fit together.

Term	Meaning
Active seat	On Indie, a member who used Prophouse in a given month. Only active seats are billed.
Agent call	One MCP tool call by an AI agent. Counted against a monthly allowance that blocks when reached and is never billed.
API key	A ph_live_ credential with read or write scope that lets a tool act on your workspace. See API keys.
Category	An automatic classification of a prop that you can override and lock.
Check-out lock	An exclusive claim on a prop that stops others pushing new versions of it until released or expired.
Closure	Everything a prop needs to load (materials, textures, referenced assets), followed all the way down. Pushed and pulled as a unit.
Collection	A hand-picked set of props that can be pulled as one job.
Dependencies	The assets a prop references. The Used by view shows the reverse.
Deprecated	A prop hidden from browse by default but still linkable and pullable.
Device sign-in	Signing an app in by approving a short code in your browser (Sign in with browser).
Entry	The API’s name for a prop.
Face version	The version a prop currently shows and delivers by default. Also called the current version.
Library	Everything your workspace has pushed, with its history and metadata.
Lineage	The chain of versions of one asset over time.
Member	A person in a workspace, with the role owner, admin or member. See Workspace and members.
Object	One immutable saved file, identified by its SHA-256 content hash. A version.
Pack	A named group of props, usually the kit the assets came from.
Preview	An interactive 3D, image or audio view of a prop.
Project	A named pull target matching an Unreal project.
Prop	One browsable item in the library, such as a mesh, material or sound.
Pull job	A request to deliver props, with their closure, into a project.
Push	Publishing assets from Unreal to the library with their full closure.
Restore	Making an earlier version the face version again, without deleting anything.
Review	The review state of a version: Draft, In review, Changes requested or Approved.
Review request	A round asking up to 20 reviewers to review one version.
Semantic search	Search that ranks by meaning and appearance, combined with keyword matching. See Search.
Slug	The short name in your library’s address, https://<slug>.prophouse.dev.
Tag	A label you create and apply to props.
Thumbnail	The still image shown for a prop, rendered when it is pushed.
Variant group	Separate props grouped as alternatives of each other.
Workspace	Your team’s account: one library, one plan, one set of members.