Issues

• RFC: Observable client services with requests and zero-ack notifications

  microsoft/agent-host-protocol#470 · Filter by author hediet opened on Sep 24, 2026
  

• Rust client: expose loss-aware receive results for event streams

  microsoft/agent-host-protocol#466 · Filter by author harryaskham opened on Sep 23, 2026

• ToolDefinition has no way for a client to scope a tool away from tool-spawned chats

  microsoft/agent-host-protocol#446 · Filter by author colbylwilliams opened on Sep 11, 2026
  1

• Support portable icons for session configuration options

  microsoft/agent-host-protocol#444 · Filter by author osortega opened on Sep 11, 2026
  1

• summaryStatus reports Idle while queued messages are pending, causing status flicker

  microsoft/agent-host-protocol#426 · Filter by author connor4312 opened on Aug 27, 2026

• Proposal: add a transport-neutral TypeScript AHP server package

  microsoft/agent-host-protocol#422 · Filter by author joshmouch opened on Aug 27, 2026
  2

• .NET client: support trimming and Native AOT

  microsoft/agent-host-protocol#410 · Filter by author davidfowl opened on Aug 23, 2026

• Persist per-chat read watermarks through turn IDs

  feature-request
  Feature

  microsoft/agent-host-protocol#401 · Filter by author hediet opened on Aug 14, 2026
  

• Proposal: Collection Attachments

  microsoft/agent-host-protocol#362 · Filter by author kycutler opened on Jul 27, 2026

• Kotlin client: no AhpClient, transport, or MultiHostClient — is this planned internally?

  microsoft/agent-host-protocol#360 · Filter by author KhaiTrang1995 opened on Jul 26, 2026

• RFC: Chats as a DAG

  feature-requestunder-discussion
  microsoft/agent-host-protocol#353 · Filter by author connor4312 opened on Jul 22, 2026
  

• OTLP channel: otlp/export* server→client notifications aren't surfaced by the clients

  enhancement
  microsoft/agent-host-protocol#342 · Filter by author colbylwilliams opened on Jul 17, 2026

• Add a per-chat config concept (ChatConfig) to complement session-scoped SessionConfig

  microsoft/agent-host-protocol#335 · Filter by author TylerLeonhardt opened on Jul 14, 2026

• Consider a lightweight progress content block for streaming non-terminal-backed shell output

  microsoft/agent-host-protocol#323 · Filter by author anthonykim1 opened on Jul 8, 2026
  

• Add a python client for AHP

  microsoft/agent-host-protocol#320 · Filter by author sugatoray opened on Jul 8, 2026
  1

• Add a native argumentHint field to SkillCustomization for slash-command argument help

  under-discussion
  microsoft/agent-host-protocol#303 · Filter by author colbylwilliams opened on Jul 3, 2026
  1

• Proposal: Canvas — declared, instanced, agent-openable UI surfaces on a dedicated channel

  microsoft/agent-host-protocol#297 · Filter by author colbylwilliams opened on Jul 2, 2026

• Add a non-directory grouping container for host-discovered customizations

  microsoft/agent-host-protocol#287 · Filter by author colbylwilliams opened on Jun 30, 2026

• Relationship between ACP and AHP

  microsoft/agent-host-protocol#282 · Filter by author fengyj opened on Jun 27, 2026
  2

• Proposal: Client-Executed Terminals — let terminals run pty processes on clients

  microsoft/agent-host-protocol#281 · Filter by author joshvoigts opened on Jun 27, 2026

• Proposal: ChatSummary message preview for catalog rendering without subscribing

  microsoft/agent-host-protocol#273 · Filter by author colbylwilliams opened on Jun 26, 2026 · Backlog
  1

  

• mcp:// channel: no schematized carrier for the verbatim-MCP traffic the spec describes (mcpMethodCall/mcpNotification named only in prose)

  microsoft/agent-host-protocol#271 · Filter by author colbylwilliams opened on Jun 26, 2026
  1

• Proposal: host-advertised encryption keys for sealing pushed values end-to-end (first application: the authenticate token)

  under-discussion
  microsoft/agent-host-protocol#268 · Filter by author colbylwilliams opened on Jun 26, 2026
  

• Proposal: isolating priv'd operations and approvals

  microsoft/agent-host-protocol#266 · Filter by author rwoll opened on Jun 25, 2026
  8

• Verified client identities (self-sovereign clientId via did:key)

  enhancementunder-discussion
  microsoft/agent-host-protocol#259 · Filter by author connor4312 opened on Jun 23, 2026