Cairn
NousResearch/hermes-agent

Context engine plugin discovery and loading fixes

Cluster 61839 · agent. Data as of

Nothing open on GitHub. Fix merged in #118842 on 22 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #118842. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #118842. That is separate from the fix event.
Still open
Nothing open on GitHub.

These members address a bug where context engines were not found during initial agent startup, and introduce fixes and features around plugin discovery, re-discovery on failure, and a unified plugin UI slot.

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.

  • #118842 Provider-plugin contracts: chronos no longer eagerly loaded, narrow plugin tool handlers survive dispatch, -q wires _cli_ref, builtin memory sentinel, context-engine clone/user-dir (#62951 #68318 #67597 #75647 #115113 #99640 #61839)

    merged to main

    files: agent/agent_init.py, agent/context_engine.py, agent/memory_provider.py, hermes_cli/cli_single_query.py, hermes_cli/doctor_state.py, hermes_cli/memory_provider_migration.py, hermes_cli/plugins_discovery.py, hermes_cli/plugins_manifest.py, hermes_cli/update_cmd_deps.py, hermes_cli/web_server_memory.py, plugins/context_engine/__init__.py, tests/agent/test_context_engine.py, tests/agent/test_plugin_context_engine_clone.py, tests/hermes_cli/test_memory_provider_core_sentinels.py, tests/hermes_cli/test_plugins.py, tests/hermes_cli/test_single_query_plugin_cli_ref.py, tests/plugins/test_context_engine_user_dir.py, tests/tools/test_registry.py, tools/registry.py, website/docs/developer-guide/context-engine-plugin.md (+1 more)

2 PRs closed without merging

From the close comments: done elsewhere 1 · other 1

  • #61995 fix(agent): load user-installed context engines without false not-found warning (#61839) · done elsewhere → 913c045, #118842, #61839
  • #62465 fix(agent): force plugin re-discovery when context engine not found on first try · other
Closed issues · 1
  • Closed#61839[Bug]: Context engine context_chunking not found during first auxiliary agent initialization despite plugin being available
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.

Pick up a Lab task

Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.

Open the Lab

At a glance

Subsystem
agent
Merged PRs
#118842
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
22 Sep 2026

For your agent

The same facts, typed.

cluster/61839.json
cluster/61839.md