wehub-resource-sync
190 lines
10 KiB
Markdown
190 lines
10 KiB
Markdown
# Agno — Parity Notes
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Tracking notes for feature-matrix parity between this package and
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`showcase/integrations/langgraph-python/` (canonical reference).
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## Ported
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See `manifest.yaml` for the authoritative list.
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### Initial parity push
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- `prebuilt-sidebar`, `prebuilt-popup` — chrome demos using the shared main agent
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- `chat-slots`, `chat-customization-css` — chat customization paths
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- `headless-simple` — minimal useAgent surface
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- `frontend-tools`, `frontend-tools-async` — useFrontendTool (sync + async handlers)
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- `readonly-state-agent-context` — useAgentContext read-only context
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- `tool-rendering-default-catchall`, `tool-rendering-custom-catchall` — wildcard-only tool rendering variants (new `get_stock_price` + `roll_dice` tools added to the Agno main agent)
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- `hitl-in-chat` booking flow — useHumanInTheLoop with a new `book_call` external-execution tool
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- `hitl-in-app` — frontend-tool + app-level approval dialog (frontend-only)
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### Second pass (deferred-demo recovery)
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- `agentic-chat-reasoning`, `reasoning-default-render`,
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`tool-rendering-reasoning-chain` — reasoning family. Verified Agno's AGUI
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interface emits `REASONING_MESSAGE_*` events (`agno/os/interfaces/agui/utils.py`
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imports `ReasoningMessageStartEvent` / `ReasoningMessageContentEvent` /
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`ReasoningMessageEndEvent`). Added a new `reasoning_agent` Python module
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with `reasoning=True` plus a second `AGUI` interface mounted at prefix
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`/reasoning`. The Next.js runtime aliases the three reasoning agent names to
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an `HttpAgent` targeting `/reasoning/agui`.
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- `headless-complete` — full chat from scratch on `useAgent` +
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`CopilotChatConfigurationProvider` + manual `useRenderToolCall` /
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`useRenderActivityMessage` / `useRenderCustomMessages` composition. Reuses
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the Agno main agent via the default `/api/copilotkit` endpoint. MCP-Apps
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activity surface is intentionally omitted — Agno's AGUI adapter doesn't
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expose an MCP-Apps runtime. Every other generative-UI branch (per-tool
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renderers, `useComponent` frontend tools, reasoning, custom messages,
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wildcard catch-all) is wired in.
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- `auth` — dedicated `/api/copilotkit-auth` runtime using
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`createCopilotRuntimeHandler` from `@copilotkit/runtime/v2` with an
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`onRequest` hook that rejects requests lacking a static Bearer token.
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Authenticated target is the Agno main agent at `/agui`.
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### Fourth pass (manifest fill — first half)
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- `cli-start` — informational demo entry (no route/agent) advertising the
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copy-paste starter command for Agno. Mirrors the canonical
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`langgraph-python` cli-start cell.
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- `gen-ui-tool-based` — already shipped as a haiku-renderer demo (frontend-only
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via `useFrontendTool` + `render`); now declared in `manifest.yaml` so the
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showcase picks it up. Wired to the main agent under the `gen-ui-tool-based`
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alias in `src/app/api/copilotkit/route.ts`.
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- `hitl-in-chat-booking` — manifest entry pointing at the existing
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`hitl-in-chat` time-picker booking surface (same files, distinct cell). The
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Agno main agent's `book_call` external-execution tool already drives this
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flow.
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### Fifth pass (manifest fill — second half)
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- `mcp-apps` — runtime `mcpApps.servers` middleware against the public
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Excalidraw MCP server. Backed by a no-tools Agno agent
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(`mcp_apps_agent.py`) mounted at `/mcp-apps/agui` so the LLM only sees the
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MCP-injected toolset.
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- `open-gen-ui` / `open-gen-ui-advanced` — shared dedicated runtime
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(`/api/copilotkit-ogui`) with the `openGenerativeUI` flag that wires the
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middleware. Backed by a no-tools Agno agent (`open_gen_ui_agent.py`)
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mounted at `/open-gen-ui/agui`. Advanced cell adds host-side sandbox
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functions (`evaluateExpression`, `notifyHost`) on the provider.
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- `agent-config` — typed config object (tone/expertise/responseLength)
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forwarded via the provider's `properties` prop. The Agno backend mounts a
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custom AGUI handler at `/agent-config/agui` (`agent_server.py::
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_run_agent_config`) that reads `RunAgentInput.forwarded_props` and builds
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a per-request Agno Agent from `agents.agent_config_agent.build_agent(...)`
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before delegating to the stock AGUI stream mapper. Agno has no
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LangGraph-style configurable channel, so the per-request factory is the
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cleanest path to dynamic system prompts here.
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- `voice` — V2 runtime under `/api/copilotkit-voice` with a guarded
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`TranscriptionServiceOpenAI`. Targets the Agno main agent at `/agui` for
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the chat side; transcription is purely runtime-side.
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- `multimodal` — vision-capable Agno agent (`multimodal_agent.py`, gpt-4o)
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on its own `/multimodal/agui` interface, scoped via
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`/api/copilotkit-multimodal`. Image attachments forward natively; PDF
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flattening helper (`_maybe_flatten_pdf_part`) lives next to the agent for
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use if the AGUI converter needs assistance.
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- `byoc-hashbrown` — dedicated `/api/copilotkit-byoc-hashbrown` runtime +
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`byoc_hashbrown_agent.py` whose system prompt steers the LLM toward the
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hashbrown UI-kit envelope shape (`{ "ui": [...] }`).
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- `byoc-json-render` — dedicated `/api/copilotkit-byoc-json-render` runtime
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- `byoc_json_render_agent.py` whose system prompt steers the LLM toward
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the json-render flat element-tree spec (`{ root, elements }`).
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### Sixth pass (A2UI fixed schema)
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- `a2ui-fixed-schema` — dedicated `/api/copilotkit-a2ui-fixed-schema`
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runtime with `injectA2UITool: false`. New `a2ui_fixed_agent.py`
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mounted at `/a2ui-fixed-schema/agui` ships
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`flight_schema.json` + `booked_schema.json` and a single
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`display_flight` tool that emits an `a2ui_operations` container
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_directly_ — no secondary LLM call — so the LLM only fills in data
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(origin/destination/airline/price). `booked_schema.json` is shipped
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as a sibling for when the SDK exposes per-button action handlers
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for fixed-schema surfaces.
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### Seventh pass (A2UI dynamic schema)
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- `declarative-gen-ui` — dedicated `/api/copilotkit-declarative-gen-ui`
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runtime with `injectA2UITool: false`. New `a2ui_dynamic_agent.py`
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mounted at `/declarative-gen-ui/agui` owns its own `generate_a2ui`
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tool. Unlike the main agent's hardcoded-catalog `generate_a2ui`, this
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agent's tool reads the registered client catalog from
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`run_context.session_state["copilotkit"]["context"]` and feeds it to
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the secondary OpenAI client, so the rendered components stay in sync
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with whatever catalog the frontend registers via `<CopilotKit
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a2ui={{ catalog }}>`. See `src/app/demos/declarative-gen-ui/README.md`
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for the differences vs. the main-agent path.
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### Third pass (state + multi-agent recovery)
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- `shared-state-read-write` — bidirectional shared state with the UI
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writing `preferences` via `agent.setState(...)` and the agno agent
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writing `notes` back via a `set_notes` tool that mutates
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`run_context.session_state["notes"]`. Backed by a new
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`shared_state_read_write` agent module + a custom AGUI handler in
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`agent_server.py` mounted at `/shared-state-rw/agui`. The custom
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handler is a thin shim around `agno.os.interfaces.agui.utils`'s
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stream mapper that additionally emits a `StateSnapshotEvent` with the
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final `session_state` immediately before `RunFinishedEvent` — Agno's
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stock AGUI router does not emit state events, so without this shim
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agent-side state writes are invisible to a frontend subscribed via
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`useAgent({ updates: [OnStateChanged] })`.
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- `subagents` — supervisor agno agent delegating to three specialized
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sub-agents (research / writing / critique). Each sub-agent is itself
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an Agno `Agent(...)` with its own system prompt, invoked via the
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delegation tools' `_invoke_sub_agent` helper. Every delegation
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appends an entry to `session_state["delegations"]` (with `running`
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status pre-flight, then flipped to `completed`/`failed` post-flight).
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Reuses the same `/subagents/agui` state-aware AGUI handler so the
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delegation log re-renders live.
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## Skipped
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The following demos from the canonical LangGraph-Python reference are intentionally
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NOT ported to this package. Each has a concrete reason tied to a genuine framework
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capability difference or infrastructure requirement that we couldn't validate in
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this blitz pass.
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### LangGraph-specific primitives (no direct Agno equivalent)
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- `gen-ui-interrupt` — Uses LangGraph's `interrupt()` primitive to pause the graph
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mid-run and resolve from the UI. Agno's AgentOS AGUI adapter does not expose an
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equivalent long-running-resume primitive at this time. We already ship
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`hitl-in-chat-booking` + `hitl-in-app`, which cover the user-facing HITL scenario
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via Agno's native tool-approval path.
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- `interrupt-headless` — Same root cause as `gen-ui-interrupt`. Headless resume
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from a button grid requires a pause/resume handle the Agno AGUI adapter does
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not currently surface.
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### Require dedicated runtimes we haven't wired yet
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These demos depend on dedicated `/api/copilotkit-<variant>/route.ts` runtimes in
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the canonical reference. They are portable in principle — they just need new
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route files each and supporting Python wiring — but doing them right requires
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exercising Agno's runtime config paths we haven't validated yet. Deferred for a
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follow-up parity pass rather than faked in.
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- `beautiful-chat` — combined runtime (openGenerativeUI + a2ui + mcpApps)
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- `byoc-hashbrown` — dedicated `/api/copilotkit-byoc-hashbrown` runtime, requires
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Agno structured-output streaming matching the hashbrown Zod catalog
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- `byoc-json-render` — dedicated `/api/copilotkit-byoc-json-render` runtime,
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requires streaming JSON-schema-constrained output from Agno
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- `multimodal` — dedicated `/api/copilotkit-multimodal` runtime; Agno supports
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multimodal input via `UserMessage(images=[...])` but wiring vision to an
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AGUI-served agent needs a runtime surface we haven't built
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- `voice` — dedicated `/api/copilotkit-voice` runtime + `@copilotkit/voice`;
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voice STT is a frontend concern independent of the Agno agent
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- `open-gen-ui`, `open-gen-ui-advanced` — dedicated `/api/copilotkit-ogui`
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runtime; requires openGenerativeUI middleware on a V2 runtime talking to
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an Agno agent
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- `agent-config` — dedicated `/api/copilotkit-agent-config` runtime with typed
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config forwarding; needs Agno dynamic-system-prompt wiring per-request
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- `mcp-apps` — requires Agno MCP client/server wiring; Agno has
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`agno.tools.mcp.MCPTools` but integration with the AGUI adapter's
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activity-message surface wasn't verified
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### Not a real demo
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- `cli-start` — Copy-paste starter command rendered by the dashboard as a
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command card with no route/agent. The equivalent starter for Agno is already
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advertised via `manifest.yaml`'s `starter:` section.
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