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Extensions

First-party extensions ship as separate opt-in subpaths. Import only the ones your toolbar uses.

ExtensionWhat it adds
ext/metricsMemory, interaction delay, jank, in-flight network requests and consumer-supplied collectors
ext/environmentConsumer-supplied environment, release, commit and actor context, with redaction
ext/flagsFeature flags with persisted local overrides and a ?dtb-flags=reset kill switch
ext/command-menuA Mod+K palette over every command the toolbar aggregates
ext/overlaysLayout boxes, a column grid, an element inspector and focus order
ext/diagnosticsA reviewable bug-report snapshot built from page facts, performance entries and extension diagnostics
ext/theme-editorLive custom-property editing with CSS, recipe, design-tokens and link exports
ext/agentThe toolbar's state and commands on a global for in-page agents in development builds
ext/a11yOn-demand axe-core scans, grouped violations and click-to-highlight

Documentation index · Extension contract

Released under the MIT License.