# NousResearch/hermes-agent · Mattermost text posts rejected by native admission (invalid_params)

## Open now

- Nothing open on GitHub.

One bug report and two pull requests concern Mattermost text-only posts being refused with invalid_params at native admission when media_urls is None. The pull requests propose passing empty media lists and admitting media-less posts, and one also mentions naming native refusals and running admitted turns through startup restore.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #139271. Verify it addresses your case.
- **Recommended:** read PR #139271 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-139271`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Closed / duplicate issues

- #138895: \[Bug\]: Mattermost text posts refused with invalid_params by native admission (media_urls=None)

## Prior & competing PRs

- **#139271: fix(gateway): admit media-less posts, name native refusals, run admitted turns through startup restore**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `contributors/emails/[redacted:email]`, `gateway/run_inbound.py`, `gateway/session_envelope.py`, `gateway/session_ingress.py`, `plugins/platforms/mattermost/adapter.py`, `tests/gateway/test_mattermost_native_admission.py`, `tests/gateway/test_native_admission_metadata.py`, `tests/gateway/test_native_admission_named_refusal.py`, `tests/gateway/test_webhook_startup_restore_admission.py`
- **#138896: fix(mattermost): pass empty media lists so text posts pass native admission**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `#139271`, `#134889`

## Fix status

- Merged to main in PR #139271 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-15`.
- Subsystem: `gateway`