# NousResearch/hermes-agent · MCP secret interpolation and multiplex profile scoping

## Open now

- 0 issues, 1 PR open on GitHub.
- PR #119097: fix(mcp): reinterpolate owner secrets at connect time

These items concern resolving secret/variable placeholders in MCP headers at the correct time (connect time rather than boot), and ensuring secondary profiles in multiplex mode maintain properly scoped configuration including MCP headers, plugins, and tooling.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 1 open PR(s), 1 merged PR(s), 0 PR(s) closed without merging.
- A fix was merged to main in PR #126160. Verify it addresses your case.
- **Recommended:** read PR #126160 (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: `resolved` · deciding PR(s): `pr-126160`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Closed / duplicate issues

- #119092: Multiplex: secondary profile's remote MCP with a ${VAR} Authorization header is brought up at boot with the placeholder unresolved (401), and retries that rendering forever

## Prior & competing PRs

- **#126160: Multiplex secondary profiles keep their A2A gate, Buzz config, plugin injector, MCP headers, describe and tools.list scoped to the served profile (#122126 #125985 #125102 #119092 #120726 #117977)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `contributors/emails/[redacted:email]`, `contributors/emails/[redacted:email]`, `gateway/run_inbound.py`, `hermes_cli/plugins.py`, `plugins/platforms/a2a/__init__.py`, `plugins/platforms/a2a/tools.py`, `plugins/platforms/buzz/adapter.py`, `tests/gateway/test_buzz_adapter.py`, `tests/gateway/test_plugin_message_injection.py`, `tests/hermes_cli/test_plugin_message_injection.py`, `tests/plugins/test_a2a_plugin.py`, `tests/tools/test_mcp_connect_secret_scope.py`, `tests/tui_gateway/test_profiles_describe_secret_scope.py`, `tests/tui_gateway/test_tools_readback_scope.py`, `tools/mcp_tool_config.py`, `tools/mcp_tool_discovery.py`, `tools/mcp_tool_server_run.py`, `tui_gateway/methods_profiles.py`, `tui_gateway/methods_tools.py`, `website/docs/developer-guide/multiplexing-gateway.md` (+1 more)
- **#119097: fix(mcp): reinterpolate owner secrets at connect time**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `tests/tools/test_mcp_connect_secret_scope.py`, `tools/mcp_tool_discovery.py`

## Fix status

- Merged to main in PR #126160 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-28`.
- Subsystem: `mcp`