Cairn

Slack appendStream markdown_text and chunks conflict fix

NousResearch/hermes-agent · cluster 87743 · gateway

Data as of

Nothing open on GitHub. Fix merged in #104173. Check it covers your case.

The short answer

0open issues
0open PRs
8items grouped
Known?
Yes. 8 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #104173. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #104173. That is separate from the fix event.
Still open
Nothing open on GitHub.

A bug caused Slack native task cards to fail because markdown_text was incorrectly sent alongside chunks in chat.appendStream calls. Multiple fixes address removing markdown_text from the payload to resolve the API conflict.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #104173 Slack native task cards render again: chat.appendStream is chunks-only (#87743, salvage #87746)

    merged to main

    files: evals/slack_stream_wire_contract.py, plugins/platforms/slack/adapter.py, tests/gateway/test_slack.py

6 PRs closed without merging

From the close comments: done elsewhere 4 · merged via another change 1 · stale or abandoned 1

  • #87746 fix(slack): drop markdown_text from native task-card appendStream payload · merged via another change → 4c287fa, #104173, #104154
  • #87752 fix(slack): restore native task cards for tool progress · done elsewhere → 4c287fa, #104173, #104154
  • #87755 fix(gateway): stop sending markdown_text alongside chunks in Slack chat.appendStream · done elsewhere → 4c287fa, #104173, #87746, #104154
  • #100510 fix(slack): avoid mixed native task-card payloads · done elsewhere → 4c287fa, #104173, #87746, #104154
  • #103197 fix(slack): stop mixing markdown_text into native task-card appendStream; cards now say WHY they failed · stale or abandoned → #87743
Show 1 more
  • #103982 fix(slack): salvage chunks-only native task-card updates · done elsewhere → 4c287fa, #104173, #87746, #104154
Closed issues · 1
  • Closed#87743[Bug]: Slack native task cards always fail: chat.appendStream rejects chunks + markdown_text combo (cannot_provide_both_markdown_text_and_chunks)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.25: the share of item 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.

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At a glance

Subsystem
gateway
Merged PRs
#104173
Closed issues
1
Attempts
6 PRs closed without merging
Fix link checked
6 Sep 2026

For your agent

The same facts, typed.

cluster/87743.json
cluster/87743.md