# NousResearch/hermes-agent · ACP initialize response advertising mcpCapabilities for HTTP MCP servers

## Open now

- 1 issue, 2 PRs open on GitHub.
- #137500: ACP: advertise mcpCapabilities.http in AgentCapabilities so external runtimes can attach HTTP MCP servers (qwen-audio-agent integration blocked)
- PR #66252: fix(acp): advertise mcpCapabilities (http/sse) in initialize response
- PR #137505: fix(acp): advertise mcpCapabilities.http in the initialize response

One issue and two pull requests all concern the ACP initialize response / AgentCapabilities advertising mcpCapabilities, centered on HTTP (one also mentions SSE), so external runtimes can attach HTTP MCP servers. The issue cites a qwen-audio-agent integration as blocked; the titles do not show whether any change has been merged or works.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 0 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Open related issues

- #137500: ACP: advertise mcpCapabilities.http in AgentCapabilities so external runtimes can attach HTTP MCP servers (qwen-audio-agent integration blocked)

## Prior & competing PRs

- **#66252: fix(acp): advertise mcpCapabilities (http/sse) in initialize response**. open
  - maintainer direction: category `merged_via`; implication `superseded`; refs `1f587954a543`
  - files: `acp_adapter/gateway_server.py`, `acp_adapter/server.py`, `tests/acp_adapter/test_mcp_e2e.py`, `tests/acp_adapter/test_server.py`
- **#137505: fix(acp): advertise mcpCapabilities.http in the initialize response**. open
  - maintainer direction: category `silent_close`; implication `active`
  - files: `acp_adapter/server.py`, `tests/acp_adapter/test_mcp_capabilities_advertised.py`

## Fix status

- No merged fix on record.
- Subsystem: `acp`