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NousResearch/hermes-agent

build_tool_preview max_len contract for small values

Cluster 9439 · agent. Data as of

Nothing open on GitHub. Fix merged in #109134 on 12 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
5items grouped
Known?
Yes. 5 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #109134. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #109134. That is separate from the fix event.
Still open
Nothing open on GitHub.

These issues and pull requests concern a bug where build_tool_preview() does not correctly respect the max_len parameter when the value is very small (under 4). Multiple fix attempts address capping or handling these edge-case inputs.

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.

  • #109134 Tool previews never exceed a tiny max_len of 1-3 (#9439, salvage #48483)

    merged to main

    files: agent/display.py, tests/agent/test_display.py

3 PRs closed without merging

From the close comments: merged via another change 2 · stale or abandoned 1

  • #9464 fix(agent): honor max_len in build_tool_preview for values <= 3 (#9439) · merged via another change → 9d09598, #109134
  • #9477 fix(display): handle small max_len values in build_tool_preview() · stale or abandoned
  • #9497 fix(display): cap tool previews for tiny max_len values · merged via another change → 9d09598, #109134
Closed issues · 1
  • Closed#9439build_tool_preview() breaks max_len contract for values under 4
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.40: 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
agent
Merged PRs
#109134
Closed issues
1
Attempts
3 PRs closed without merging
Fix link checked
12 Sep 2026

For your agent

The same facts, typed.

cluster/9439.json
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