# NousResearch/hermes-agent · GitHub Copilot ACP provider detection and model selection

## Open now

- 1 issue, 1 PR open on GitHub.
- #45858: bug(copilot-acp): installed provider is missed and selected model is ignored
- PR #45855: fix(copilot-acp): detect provider and honor selected model

These items address bugs and improvements around detecting the GitHub Copilot ACP provider's availability, surfacing it in model pickers, and correctly honoring the selected model. Work spans provider detection, picker integration, and live model catalog usage.

## TL;DR

- 6 member(s): 1 open issue(s), 1 closed issue(s), 1 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #100351. Verify it addresses your case.
- **Recommended:** read PR #100351 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `partially_resolved` · deciding PR(s): `pr-100351`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.36`: 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

- #45858: bug(copilot-acp): installed provider is missed and selected model is ignored

## Closed / duplicate issues

- #63662: \[Bug\]: GitHub Copilot ACP is hidden from Desktop model picker because external-process availability is never detected

## Prior & competing PRs

- **#100351: fix(copilot-acp): show provider in pickers, correct sign-in command, honest auth status**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/copilot_acp_client.py`, `hermes_cli/auth.py`, `hermes_cli/inventory.py`, `hermes_cli/model_switch.py`, `hermes_cli/models.py`, `hermes_cli/web_server.py`, `tests/agent/test_acp_openai_bridge.py`, `tests/agent/test_copilot_acp_client.py`, `tests/hermes_cli/test_copilot_in_model_list.py`, `tests/hermes_cli/test_external_process_auth_status.py`
- **#18287: fix(copilot): use live model catalog in /model picker**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `3a9bc9d88a847feb97f86e5cde6588503871e3b8`, `#33867`
- **#45855: fix(copilot-acp): detect provider and honor selected model**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `agent/copilot_acp_client.py`, `hermes_cli/model_switch.py`, `tests/agent/test_copilot_acp_client.py`, `tests/hermes_cli/test_copilot_in_model_list.py`
- **#63691: fix(model): show copilot-acp in pickers when its executable resolves**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `1e8f829f1a`, `6b00567718`, `#100351`, `#63662`

## Fix status

- Merged to main in PR #100351 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-02`.
- Subsystem: `acp`