# NousResearch/hermes-agent · Silent truncation of long session chat strings

## Open now

- 1 issue, 2 PRs open on GitHub.
- #120937: \[Bug\]: /api/sessions/{id}/chat silently truncates string messages at 65,536 chars (no error, no flag); /v1/runs accepts the same input whole
- PR #120941: fix: preserve long session chat string messages
- PR #120957: fix(api): stop silently truncating native session chat input

These items address a bug where the session chat API silently truncates string messages at 65,536 characters without any error or warning, while the runs API handles the same input without truncation.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 0 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #120937: \[Bug\]: /api/sessions/{id}/chat silently truncates string messages at 65,536 chars (no error, no flag); /v1/runs accepts the same input whole

## Prior & competing PRs

- **#120941: fix: preserve long session chat string messages**. open
  - maintainer direction: category `stale_abandoned`; implication `active`; refs `348edf2b8caddccbf4e9a4dfccf354df5071b7de`
  - files: `gateway/platforms/api_server.py`, `gateway/platforms/api_server_session_content.py`, `tests/gateway/test_session_api.py`
- **#120957: fix(api): stop silently truncating native session chat input**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `gateway/platforms/api_server.py`, `tests/gateway/test_session_api.py`, `website/docs/user-guide/features/api-server.md`

## Fix status

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