Hangar

Paste an API token to open the control plane. A bootstrap token is printed when the server first starts and saved to ~/.hangar/bootstrap-token.

Hangar Fleet Environments Credentials Snapshots Connect Activity

Fleet

Credentials
Count above 1 starts identical sandboxes in parallel, each on its own numbered work branch.

Environments

Layered templates: base, tools, harnesses, dependencies, skills, then repo.

    Choose an environment to edit or build it.

    Credentials

    Encrypted at rest and injected into sandboxes at start. Values are never shown again.

    NameHarnessKindStatus

    Sign in with a subscription

    Runs the harness's own login inside a short-lived sandbox. Finish the flow in the terminal that opens below, then capture the result.

    Add a key or token

    Snapshots

    Full snapshots keep everything; workspace snapshots are portable across providers.

    SnapshotFromEnvironmentKindTaken

    Connect an MCP client

    Point Codex, Claude Code or any MCP client at this hangar with a token.

    API tokens

    Connected apps

    Apps that connected with OAuth, such as ChatGPT connectors. Revoking ends their access immediately.

    Activity

    Everything people and MCP clients did, newest first.

    WhenWhoActionTargetDetail