NousResearch/hermes-agent

Agent tool message sanitization and repair fixes

Cluster 78071 · agent. Data as of 2026-10-29 11:48 UTC

Nothing open on GitHub. Fix merged in #97167 on 28 Aug 2026. Check it covers your case.

open issues

open PRs

items grouped

Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #97167. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #97167. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #97167, then check it covers your case.

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These issues and PRs address gaps in sanitizing and repairing agent message sequences, specifically around tool call IDs (missing, empty, or whitespace-only) and stale or orphaned tool call entries.

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.

#97167 fix(agent): tool-pair sanitizers — whitespace ids pair, stale empty tool_calls drop, orphan logic unified (salvage #55845 + #78063 + #59434)

merged to main

files: agent/agent_runtime_helpers.py, agent/context_compressor.py, tests/agent/test_context_compressor.py, tests/run_agent/test_message_sequence_repair.py

1 PR closed without merging

From the close comments: merged via another change 1

#78063 fix(agent): drop stale empty tool_calls on repair_message_sequence merge (#77921) · merged via another change → f316f7d, #97167, #77921, #78071

Closed issues · 1

Closed#78071sanitize_api_messages does not catch tool messages with missing/empty tool_call_id

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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
Merged PRs: #97167
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 28 Aug 2026

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