Capabilities

Capabilities

This page is the master index of TinyChannels functionality.

Channel Contracts

• ChannelMessage - legacy received/sent message shape.
• SendMessage - legacy outbound message request with subject, thread, and idempotency support.
• ChannelInboundEnvelope - normalized inbound message event.
• ChannelOutboundIntent - normalized outbound send request.
• OutboundPayload - text, media, voice, files, poll, presentation blocks, or native channel data.
• MessageReceipt - normalized platform result for one logical send.
• ChannelStaticCapabilities - chat, poll, reaction, edit, reply, thread, media, command, and streaming support flags.
• ChannelPresentationCapabilities - text limits, length units, markdown dialect, action layout limits, and edit support.

See Channel Contracts.

Adapter Contracts

• ChannelAdapter - base start/stop/send/status adapter surface.
• ChannelInboundSink - normalized inbound envelope sink.
• ChannelReceiveAckPolicy - when inbound receive should be acknowledged.
• Optional adapter traits:
  • ChannelSetup
  • ChannelDirectory
  • ChannelResolver
  • ChannelTyping
  • ChannelReaction
  • ChannelEdit
  • ChannelDelete
  • ChannelStreamingDraft

Host Capabilities

• ChannelHost - optional capability aggregator.
• ProviderContext - standard provider construction context.
• HostCapabilities - cheap capability descriptor.
• TurnDispatcher - run a channel turn through the host harness.
• Transcriber and SpeechSynthesizer - voice input/output.
• ApprovalGate and ReactionGate - human approval and response gating.
• ConversationStore - durable per-session history.
• EventSink - host domain events.
• LifecycleRegistry - provider shutdown hooks.
• RunLedger - run and telemetry records.

See Host Boundary.

Relay Contracts

• CapabilityDescriptor - connector handshake descriptor.
• RelayPlatformEntry and RelayDescriptorOptions - descriptor projection inputs.
• GatewayToConnectorFrame - gateway frames: hello, outbound, interrupt, going idle, inbound ack.
• ConnectorToGatewayFrame - connector frames: descriptor, inbound, outbound result, interrupt inbound, going idle ack, passthrough forward.
• Relay auth helpers - signed upgrade and delivery payload verification.
• relay_send_action_from_outbound_intent - outbound intent to relay send action projection.
• RelayTransport and related traits - reconnectable frame transport.

See Relay.

Delivery Capabilities

• DeliveryDurability - required, best effort, or disabled.
• DurableFinalDeliveryCapability - text, media, poll, payload, reply, thread, reconciliation, after-send, and after-commit capability flags.
• negotiate_delivery_durability - downgrade missing durable capabilities to best effort.
• compute_backoff_ms - OpenClaw-compatible recovery backoff.
• recover_pending_deliveries - drain pending entries in enqueue order.
• Unknown-send reconciliation for crash or transport ambiguity after platform send starts.

See Delivery.

Controller And Backend Capabilities

• ChannelDefinition - UI setup metadata.
• ChannelAuthMode - API key, bot token, OAuth, managed DM.
• ChannelCapability - runtime UI capability list.
• ChannelManager - validation plus backend delegation.
• ChannelBackend - OpenHuman-owned implementation for connect, disconnect, status, test, send, reactions, threads, Telegram login, Discord link, and default-channel management.

See Controller API.

Built-In Providers

Exported providers include:

• DingTalkChannel
• DiscordChannel
• EmailChannel
• IMessageChannel
• IrcChannel
• LarkChannel
• LinqChannel
• MattermostChannel
• QQChannel
• SignalChannel
• SlackChannel
• WhatsAppChannel
• YuanbaoChannel

See Providers.