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NousResearch/hermes-agent

Raise LSP subprocess StreamReader buffer limit

Cluster 31417 · agent/lsp. Data as of

Nothing open on GitHub. Fix merged in #121511 on 24 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #121511. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #121511. That is separate from the fix event.
Still open
Nothing open on GitHub.

These members address a bug where asyncio's default 64 KiB StreamReader limit truncates long LSP subprocess output lines, with fixes raising the limit to 16 MiB. A related streaming fix is bundled in one PR alongside other minor stream-handling changes.

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.

  • #121511 fix(streaming): Kimi gzip-only streams, 16 MiB LSP stderr lines, serving provider in stream-drop logs

    merged to main

    files: agent/api_request_hooks.py, agent/chat_completion_helpers.py, agent/lsp/client.py, agent/stream_diag.py, contributors/emails/[email protected], plugins/model-providers/kimi-coding/__init__.py, tests/agent/lsp/_mock_lsp_server.py, tests/agent/lsp/test_client_e2e.py, tests/agent/test_stream_serving_provider.py, tests/plugins/model_providers/test_kimi_profile.py

1 PR closed without merging

From the close comments: merged via another change 1

  • #31519 fix(lsp): raise LSP subprocess StreamReader limit to 16 MiB · merged via another change → 56096cb, #121511, #31417
Closed issues · 1
  • Closed#31417[Bug] asyncio subprocess StreamReader default 64 KiB limit truncates long output lines
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.67: 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/lsp
Merged PRs
#121511
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
24 Sep 2026

For your agent

The same facts, typed.

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