stroblme
4cb028de41
The phone header carries a single speech bubble: Control on Home, the assistant elsewhere. Chips above the input offer the user's most sent messages per tab, then starters; a tap or a double-click on a sent or heard message fills the input without sending.
88 lines
4.0 KiB
Markdown
88 lines
4.0 KiB
Markdown
# Agents over MCP
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Fluksio exposes flow tools over MCP. An agent can inspect, edit, publish,
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and run flows with the permissions of the user who authorizes it.
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## Connect an agent
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Set `MCP_ENABLED=true` in the engine's environment and restart it, under
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`environment` in `compose.yml` for the Docker container. It defaults to off.
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Configure your MCP client with an HTTP endpoint:
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- Docker container: `http://localhost:8080/mcp`
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- Deployment: `https://<your-domain>/mcp`
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The endpoint has to be the address in `FRONTEND_HOST`, which is also the
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issuer of the client's tokens.
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The client registers, opens browser authorization, and receives an OAuth
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token after you approve access. The issuer and browser redirects use
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`FRONTEND_HOST` and `ENVIRONMENT`, so configure those for the addresses your
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client and browser can reach.
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Manage registered clients under **Admin → Agents**. Revoking a client
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invalidates its access. MCP uses a separate signing key at
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`OAUTH_PRIVATE_KEY_FILE`; rotating that key invalidates all MCP tokens.
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An instance connected to a [portal](../interface/portal.md) also answers
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through the portal's API address, for example
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`https://portal.example.com/i/<instance-id>/mcp`. The portal forwards MCP and
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OAuth requests; the instance checks the agent's token as it does locally.
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Open the instance from the portal first so the browser can show its consent
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page.
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## Available tools
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| Task | Tools |
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|---|---|
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| Inspect flows | `list_flows`, `get_flow`, `get_node_source`, `list_node_types`, `get_graph`, `list_shared_nodes` |
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| Inspect values | `get_flow_state`, `get_message_history` |
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| Inspect the instance | `list_secrets` (names only), `get_modules`, `get_health`, `get_metrics`, `list_failures`, `list_runs` (live cascades) |
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| Inspect devices | `list_devices`, `get_device` |
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| Edit flows | `save_flow`, `save_node_source`, `validate_flow`, `publish_flow`, `discard_draft`, `delete_flow` |
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| Operate flows | `run_flow`, `trigger_node`, `start_flow`, `stop_flow`, `pause_flow`, `resume_flow`, `cancel_node` |
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| Install node packages | `apply_modules` |
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Tools call the same API as the browser. Drafts, validation, version checks,
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and superuser restrictions apply. Secrets cannot be read back.
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A useful workflow: ask the agent to inspect the flow, save a draft, and
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validate it. Review the draft before asking it to publish. The agent has
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a publish tool, so make your intent explicit.
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## The assistant
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A superuser configures an OpenAI-compatible provider under
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**Settings → Assistant**, with a base URL, API key, and model. This enables
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the dashboard's Assistant entry for signed-in users.
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The assistant uses the same tools with your own permissions. Draft edits
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appear in the editor. Each answer streams in as the model writes it and
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renders as markdown with a tool trace.
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Conversations are stored per user on the instance; the bin button clears
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yours.
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`MCP_ENABLED` is only needed for external clients, so the built-in assistant
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works without it.
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In both tabs, chips above the input offer quick prompts: the messages you send
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most often in this browser, then a few starters. A tap puts the text in the
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input to edit and send. Double-clicking, or double-tapping, one of your own
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messages does the same.
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## Control
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A live [Wren](../reference/node-types.md#wren) or
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[Assistant](../reference/node-types.md#assistant) node with its `prompt` and a
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`reply` or `actions` wired adds a **Control** tab to the chat. Wren uses its
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local model, the Assistant node the provider above.
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Choose a conversation and type a command. It goes out on the node's prompt,
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which is where a `stt` node writes what a device heard, so typed and spoken
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commands are one conversation: the words heard so far, the command, each
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reply, and the reported actions with their target message, value and whether
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each was applied. A node whose prompt is another's `unhandled` answers in that
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node's conversation. Wren's `apply`, `min_confidence` and `targets` settings
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decide whether it writes to its targets. Control conversations stay in the
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browser and clear on reload.
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