# NousResearch/hermes-agent · Tool Search MCP bridge cache staleness fixes

## Open now

- 1 issue, 1 PR open on GitHub.
- #72560: \[Bug\]: Tool Search bridge catalog stays stale after MCP tool changes and couples reloads to cache invalidation
- PR #72578: fix(tools): refresh changed Tool Search bridge schemas

These members address a bug where the Tool Search bridge catalog becomes stale after MCP tool changes, and include fixes to refresh schemas and keep the bridge cache stable without coupling reloads to cache invalidation.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 1 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #72560: \[Bug\]: Tool Search bridge catalog stays stale after MCP tool changes and couples reloads to cache invalidation

## Prior & competing PRs

- **#72570: fix(tool-search): keep MCP bridge cache-stable**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`
- **#72578: fix(tools): refresh changed Tool Search bridge schemas**. open
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `6eed7fd3a`
  - files: `agent/agent_init.py`, `agent/turn_context.py`, `hermes_cli/config_defaults.py`, `model_tools.py`, `scripts/tool_search_livetest.py`, `scripts/tool_search_livetest2.py`, `scripts/tool_search_livetest_ue.py`, `scripts/tool_search_livetest_ue_disc.py`, `scripts/tool_search_livetest_ue_hard.py`, `tests/agent/test_turn_context.py`, `tests/hermes_cli/test_plugins.py`, `tests/tools/test_refresh_agent_mcp_tools.py`, `tests/tools/test_tool_search.py`, `tests/tools/test_tool_search_context_provider.py`, `tools/mcp_tool.py`, `tools/tool_search.py`, `website/docs/user-guide/features/tool-search.md`

## Fix status

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