# NousResearch/hermes-agent · TOON encoding for tool result compression

## Open now

- 1 issue, 1 PR open on GitHub.
- #7110: \[Feature\]: Token-efficient tool result serialization in trajectory compression
- PR #7204: feat(trajectory): add TOON encoding for JSON tool result compression

These items introduce an optional TOON encoding scheme for more token-efficient serialization of JSON tool results in trajectory and data generation contexts. The work spans feature requests and implementation across trajectory compression and datagen components.

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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #7110: \[Feature\]: Token-efficient tool result serialization in trajectory compression

## Prior & competing PRs

- **#7204: feat(trajectory): add TOON encoding for JSON tool result compression**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#7110`, `#15672`
  - files: `README.md`, `datagen-config-examples/trajectory_compression.yaml`, `pyproject.toml`, `tests/test_trajectory_compressor.py`, `trajectory_compressor.py`, `website/docusaurus.config.ts`
- **#15659: feat(datagen): add optional TOON encoding for tool results**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#7204`

## Fix status

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