NousResearch/hermes-agent

Fixing leaky or imitable compression/truncation markers

Cluster 121548 · agent. Data as of

1 open item. Fix merged in #124207 on 26 Sep 2026. Check it covers your case.

The short answer

0open issues
1open PR
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #124207. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #124207. That is separate from the fix event.
Still open
0 issues and 1 PR.

These items address multiple sites in the agent codebase that compose or copy a bare, imitable truncation marker rather than routing through a guarded, non-imitable compression marker. The work spans at least five identified locations and includes preventing copied placeholders from corrupting new writes.

Open issues0

No open issues.

Open PRs1

  • PR#121579fix(agent): stop copied compression placeholders from corrupting new writes

Fixes on record

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

  • #124207 fix(agent): route every model-visible elision through the guarded compression marker

    merged to main

    files: agent/compression_marker.py, agent/context_compressor.py, agent/context_engine.py, agent/lsp/reporter.py, agent/skill_preprocessing.py, agent/verification_stop.py, plugins/platforms/slack/adapter.py, tests/agent/lsp/test_reporter.py, tests/agent/test_compression_marker.py, tests/agent/test_context_compressor.py, tests/agent/test_pre_compress_memory_context_handoff.py, tests/gateway/test_slack_unfurl_nested_blocks_budget.py, tests/test_trajectory_compressor.py, trajectory_compressor.py

1 PR closed without merging

From the close comments: done elsewhere 1

  • #121608 fix(agent): route every model-visible elision through the non-imitable compression marker · done elsewhere → d6031d2, #124207
Closed issues · 1
  • Closed#121548[Bug]: #83714 fix covered only the args renderer — 5 sites still compose the imitable bare '...[truncated]' marker
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: 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
#124207
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
26 Sep 2026

For your agent

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