denser

Behavior-validated context reduction for LLM agents

Remove unnecessary visible context. Preserve required behavior. Measure actual full-input savings.

Install · Evidence · Reproduce · Evidence standard


Evidence at a glance

In the first committed tool-using pilot, denser automatically removed an irrelevant 17,236-byte handbook while retaining the release and CI policies required by local-file tasks.

Check	Complete context	Selected context	Observed result
Required behavior	6/6	6/6	preserved on covered cases
Provider-reported full input	277,871	243,210	12.47% fewer tokens
Operational errors	0	0	none
Known-bad control	—	0/6	all regressions detected

This establishes behavior preservation only for the committed workload and settings. It does not claim that every repository can remove 12% of its input. The [case study](docs/CODEX_CONTEXT_SELECTION_CASE_STUDY.md), [fixtures](examples/context_bundles/tool_workflows/), and [compl