adk-dev-console
Explains the ADK Dev Console — what each tab shows, how to read Agent Steps, traces, and other UI features visible at localhost:3001 during adk dev
What this skill does
# ADK Dev Console The Dev Console is a local app served at port `3001` (by default, but can be customized) during `adk dev`. It gives developers real-time visibility into their agent's behavior — conversations, execution traces, data, integrations, and configuration. ## When to Use This Skill Activate when users ask about: - **UI concepts** — "What are Agent Steps?", "What does the Observe tab show?", "What is a turn?", "What is the component registry?" - **Dev Console navigation** — "What tabs are available?", "Where do I find traces?", "How do I test RAG?" - **Reading execution data** — "What do the steps mean?", "Why is my step red?", "What's the cost shown?" - **Component registry** — "Where do I find custom components?", "How do I install a component?", "What components are available?" - **Specific pages** — "How do I use the evals page?", "Where do I configure integrations?", "How do I search knowledge?" - **Comparing UI vs CLI** — "Should I use the Dev Console or CLI for debugging?" - Mentions of `localhost:3001`, "dev console", "Dev Console", "component registry", or specific tab names (Chat, Build, Components, Data, Test, Observe, Config) ## Available Documentation | File | Contents | |------|----------| | `references/agent-steps.md` | Agent Steps visualization — turns, iterations, tools, messages, state mutations, cost tracking, status indicators | | `references/pages.md` | Every page/tab in the Dev Console — what it shows, key features, layout | | `references/component-registry.md` | Component Registry — installed vs registry tabs, component lifecycle, runtime registry internals, UI features | ## How to Answer Match depth to the question: - **"What is X?"** (e.g., "What are Agent Steps?") → One sentence definition + what the user sees. Don't dump the full data model. - **"Where do I find X?"** → Name the tab group and page, give the URL path. - **"How do I read X?"** → Explain the visual hierarchy and what each element means. - **"What does this mean?"** (pointing at something in the UI) → Identify the component, explain its meaning. ## Quick Reference ### Tab Groups | Group | Pages | Purpose | |-------|-------|---------| | **Chat** | Chat | Test the agent via webchat + see Agent Steps | | **Build** | Story | Visual agent flow graph (feature-flagged) | | **Components** | Webchat Components, Actions, Workflows, Triggers | Browse component registry, test bot primitives | | **Test** | RAG Search, Evals | Test knowledge search and run automated evals | | **Data** | Knowledge, Tables, Files | Manage knowledge bases, tables, and files | | **Observe** | Conversations, Traces, Logs | View conversation history, execution traces, runtime logs | | **Config** | Settings, Integrations | Agent config, secrets, LLM settings, integration management | ### Agent Steps (Chat Page) The right panel of the Chat page shows **Agent Steps** — a real-time visualization of what the agent did to process each message. **Hierarchy:** Turn → Iterations → Tools / Messages / State Mutations - **Turn** = one conversation exchange (user message → agent processing → response) - **Iteration** = one loop of the autonomous agent (think → decide → act) - **Tool** = a tool call within an iteration (violet card) - **Message** = a bot message sent (blue card) - **State Mutation** = a state change (teal card, shows before/after) **Status indicators:** ✓ green = ok, ✗ red = error, ⟳ blue spinning = running **AI metrics per iteration:** model name, input/output tokens, cost (USD) ### Key URLs | Path | Page | |------|------| | `/chat` | Chat + Agent Steps | | `/components` | Component registry + installed components | | `/actions` | Actions browser | | `/workflows` | Workflows + run history | | `/search` | RAG search testing | | `/evals` | Eval definitions + runs | | `/knowledge` | Knowledge base management | | `/tables` | Table data management | | `/traces` | Full trace viewer | | `/conversations` | Conversation history | | `/logs` | Runtime logs | | `/settings` | Agent configuration | | `/integrations` | Integration management |
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