# NousResearch/hermes-agent · Fix no-op compression eligibility check bug

## Open now

- 1 issue, 1 PR open on GitHub.
- #88778: \[Bug\]: Default ContextCompressor.should_compress_info() lacks the message-eligibility check present in prune_tool_results_only(), causing guaranteed no-op compression passes
- PR #88786: fix(compression): refuse guaranteed no-op summarization passes

A bug was identified where the default ContextCompressor.should_compress_info() method lacked a message-eligibility check, causing guaranteed no-op summarization passes. The fix adds the missing check to align behavior with prune_tool_results_only().

## 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #88778: \[Bug\]: Default ContextCompressor.should_compress_info() lacks the message-eligibility check present in prune_tool_results_only(), causing guaranteed no-op compression passes

## Prior & competing PRs

- **#88786: fix(compression): refuse guaranteed no-op summarization passes**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#88778`
  - files: `agent/context_compressor.py`, `agent/context_engine.py`, `agent/conversation_loop.py`, `agent/turn_context.py`, `tests/agent/test_turn_context_overflow_warning.py`, `tests/gateway/test_session_api.py`, `tests/run_agent/test_413_compression.py`, `tests/run_agent/test_run_agent_codex_responses.py`
- **#89110: fix(agent): add message-eligibility check to should_compress_info (#88778)**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#88786`, `#88778`

## Fix status

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