| Term | Meaning | Learn more |
|---|---|---|
| Agent | A registered identity for an agent you use, with its skills, versions, and recorded activity. | How agents work |
| AI Gateway | Model Gateway and MCP Gateway together: model requests and tool calls through Atlan. | AI Gateway |
| AI Registry | Atlan’s product for sharing skills, managing agent records, and reviewing their activity. | What is AI Registry |
| App | An installed extension that adds capabilities and can be made available in selected workspaces. | Find your installed apps |
| Artifact | A stored object, such as a skill, agent, or metric, owned by a workspace. | Platform architecture |
| Atlan Desktop | The desktop app for browsing your workspaces and importing local skills and coding sessions. | Install Atlan Desktop |
| Binding | A release-pinned declaration mapping ontology definitions to physical sources and fields. | Bindings |
| Channel | A named pointer to a release, such as latest. Moving it does not change the release. | How releases work |
| Dataset | Named cases an eval uses to test a task. | Create eval datasets |
| Eval | A test of a task against cases and scoring criteria. | How evals work |
| Experiment | The recorded results of an eval run, including case scores and available traces. | Eval objects reference |
| FinOps | Views of recorded model usage and cost, across agents, people, and time. | FinOps |
| Library | The place to find outputs recorded by agents, such as documents and reports. | Save outputs to the Library |
| MCP Gateway | The Atlan connection through which clients discover and call first-party and remote MCP tools. | MCP Gateway |
| Metric | A versioned business measure with SQL and context explaining its meaning. | How metrics work |
| Metrics Studio | The app for writing, sharing, and releasing metrics and saved queries. | Metrics Studio |
| Model Gateway | The Atlan connection for calling your organization’s configured models through compatible provider APIs. | Model Gateway |
| Ontology | A versioned model of business objects, properties, relationships, and terminology. | Ontology |
| Personal workspace | Your private workspace for imported skills and individual work. | How workspaces work |
| Release | A published, immutable selection of object versions. | How releases work |
| Scorer | A function or judge that assesses a result against criteria. | Write code scorers |
| Session | A conversation or interaction that groups related activity and traces. | How sessions and traces work |
| Skill | Instructions and supporting files that teach a client how to perform a task. | How skills work |
| Span | One timed step in a trace, such as a model call or tool call. | Trace attributes |
| Trace | A connected record of steps in an agent run. | Traces |
| Workspace | The scope that owns objects and controls who can find, use, and change them. | How workspaces work |
Earlier names
| Earlier name | Current name |
|---|---|
| Agent Registry | AI Registry. Some on-screen labels still use the earlier name. |
atlanai CLI | aireg. The Python package is still named atlanai. See Move to aireg. |
| Context | Metrics Studio and Ontology have their own sections in Platform. |