halo-loop - Improve agent harnesses with HALO diagnostics
Uses HALO Engine to diagnose JSONL traces, verify findings in an agent harness, make minimal fixes, and measure results.
Tags
Updated: 2026-10-01Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Capture baseline results
- Diagnose trace failure patterns
- Verify findings against code
- Make minimal harness changes
- Rerun and compare results
Inputs
- Agent harness
- HALO-shaped JSONL traces
- Harness source repository
- Evaluation results
- HALO Engine repository
Outputs
- Diagnostic findings
- Harness code changes
- New trace files
- Evaluation comparison
Requirements
- Python 3.10 or newer
- uv environment manager
- OPENAI_API_KEY environment variable
- HALO Engine checkout
- Valid plain JSONL traces
- Filesystem access to the harness repository