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hermes-agent/tests
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emozilla 40722058e5 fix(mcp): keep short-TTL HTTP sessions alive with configurable ping keepalive 
MCP Streamable HTTP servers that garbage-collect idle sessions on a short
TTL (e.g. Unreal Engine's editor MCP, ~15s) were unusable: the keepalive
was hardcoded at 180s, so the session was always dead by the time it ran,
and every idle tool call then landed on an expired session and paid the
full reconnect path (observed hangs of 113-143s until interrupt, bounded
only by the 300s tool_timeout).

Two coordinated, backward-compatible changes:

- Add per-server `keepalive_interval` (config.yaml, not an env var per the
  contribution rubric). Default 180s — byte-identical to the old hardcoded
  value when unset — floored at 5s. Servers with short session TTLs set it
  below their TTL so the session stays warm.

- Switch the keepalive probe from `list_tools()` to `ping` (the MCP base
  protocol liveness primitive). On large servers `list_tools` pulled ~1 MB
  every cycle (830 tools = 1,068,041 bytes); `ping` is ~55 bytes and works
  uniformly across tool/prompt/resource servers. Tool-list changes still
  arrive out-of-band via notifications/tools/list_changed -> _refresh_tools.

`ping` is an OPTIONAL utility, so to guarantee zero regression for a
tool-capable server that doesn't implement it: the first -32601 latches
`_ping_unsupported` and the probe falls back to the pre-ping `list_tools`
path for that connection (no reconnect loop). The latch resets on each
fresh connection (_discover_tools, all transport paths) so a server that
gains ping support after a reconnect is re-probed with the cheap path.
Non-(-32601) ping errors propagate as genuine liveness failures.

Verified end-to-end against a live Unreal MCP server (idle 22s past the
~15s TTL -> post-idle tool call returns in 0.31s, no teardown) and with a
simulated ping-less tool server driving the real keepalive loop (ping once,
list_tools thereafter, no reconnect). 25/25 unit tests pass.

Note: a separate upstream defect (modelcontextprotocol/python-sdk#2604)
still tears down the whole session when one tool-call POST returns 4xx;
that is not addressed here.
2026-06-19 12:16:33 -07:00
..
acp feat(gateway): inject stable human-readable message timestamps 2026-06-16 15:49:59 -07:00
acp_adapter feat(azure-foundry): add Microsoft Entra ID auth 2026-05-18 10:14:38 -07:00
agent fix(mcp): address adversarial review round 2 (stale-publish race, parity holes) 2026-06-19 11:57:43 -07:00
cli fix(cli): clear viewport on width-change resize so the status bar can't duplicate (#49120) 2026-06-19 08:43:42 -07:00
cron test(cron): make env-sanitize probe var deterministic 2026-06-20 00:22:55 +05:30
docker Harden hosted Docker install tree against self-modification (#47490) 2026-06-18 09:09:21 +10:00
e2e fix(gateway): include replied-to media attachments (#46107) 2026-06-14 04:51:50 -07:00
fakes
fixtures/plugins/example-dashboard/dashboard feat(dashboard): nous-blue theme, bulk sessions, schedule picker (#37383) 2026-06-02 12:37:40 -04:00
gateway fix(discord): hydrate channel context when replying to a message (#49212) 2026-06-19 12:03:08 -07:00
hermes_cli Merge pull request #48275 from NousResearch/feat/cron-scheduler-provider-chronos 2026-06-19 07:51:59 -07:00
hermes_state test: narrow db._conn before raw SQL so ty stops flagging None-union access 2026-06-18 16:04:58 -05:00
honcho_plugin chore(honcho): replace example Telegram UID with placeholder 2026-06-11 15:06:07 -04:00
integration refactor(gateway): migrate Home Assistant adapter to bundled plugin 2026-06-06 11:46:24 -07:00
openviking_plugin fix(openviking): guard empty tool_id in batch skip set; reuse env_var_enabled 2026-06-19 13:53:39 +05:30
plugins Merge remote-tracking branch 'origin/main' into pr48275-rebase 2026-06-19 07:40:29 -07:00
providers fix(models): pass model.base_url to fetch_models in /model picker 2026-06-16 13:09:40 -07:00
run_agent fix(agent): accept pixel-correct image downscale when bytes grow (#48013) 2026-06-19 11:37:51 -07:00
scripts fix(skills-hub): stop shipping a degenerate index when GitHub taps collapse (#42347) 2026-06-08 15:21:28 -07:00
skills fix(google-workspace): fall back to uv when venv has no pip (#39516) 2026-06-05 13:30:02 +10:00
stress chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
tools fix(mcp): keep short-TTL HTTP sessions alive with configurable ping keepalive 2026-06-19 12:16:33 -07:00
tui_gateway fix(model): persist /model switch by default across sessions 2026-06-19 07:07:06 -07:00
website feat(skills): fix browse cap, add source links + copy buttons + category cleanup (#37143) 2026-06-01 19:52:28 -07:00
__init__.py
conftest.py feat(managed-scope): add managed_scope module (resolver, loaders, key helpers) 2026-06-19 07:46:33 -07:00
run_interrupt_test.py
test_account_usage.py
test_assistant_ui_tap_compat.py test(deps): guard @assistant-ui cluster on one tap version 2026-06-15 11:55:02 -04:00
test_atomic_replace_symlinks.py fix(utils): copy fallback for atomic replace across devices (#43852) 2026-06-13 14:50:05 -07:00
test_base_url_hostname.py
test_batch_runner_checkpoint.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_bitwarden_secrets.py fix(bitwarden): prevent zip-slip path traversal when extracting bws binary (#40569) 2026-06-06 18:33:44 -07:00
test_cli_file_drop.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_cli_manual_compress.py fix(tests): catch up six stale tests after compression/aux/kanban changes (#28465) 2026-05-18 21:43:59 -07:00
test_cli_skin_integration.py
test_ctx_halving_fix.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_dashboard_sidecar_close_on_disconnect.py fix(dashboard): scope chat sidebar model card to selected profile (#46665) 2026-06-15 12:50:19 -04:00
test_desktop_electron_pin.py fix(desktop): resolve electronDist dynamically + self-heal blocked installs (supersedes #48081/#48082) (#48091) 2026-06-17 18:48:35 -05:00
test_desktop_mac_entitlements.py test(desktop): assert macOS device entitlements are inherited 2026-06-03 07:32:00 +07:00
test_dispatch_session_id.py fix(dispatch): forward session_id into registry.dispatch (#28479) 2026-06-14 00:27:59 -04:00
test_docker_home_override_scripts.py Repair cron ownership on container restart (#41976) 2026-06-10 15:32:34 +10:00
test_docker_stage2_browser_discovery.py fix(docker): discover Playwright headless_shell browser (#35717) 2026-06-01 16:06:44 +10:00
test_docker_webui_install_surface.py fix(docker): support WebUI installs from read-only sources (#48541) 2026-06-19 10:52:16 +10:00
test_dockerfile_tini_compat_shim.py fix(docker): add /usr/bin/tini compatibility shim for legacy wrappers (#34192) (#34382) 2026-06-01 13:32:55 +10:00
test_empty_model_fallback.py test(models): guard Nous silent default against expensive-flagship escalation 2026-06-05 02:54:34 -07:00
test_empty_session_hygiene.py fix: in-memory transcript blocks empty-session prune 2026-06-10 17:37:34 -07:00
test_env_loader_secret_sources.py fix(secrets): only apply external secrets once per HERMES_HOME per process (#32271) 2026-05-25 15:18:55 -07:00
test_evidence_store.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_gateway_streaming_nested_config.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_get_tool_definitions_cache_isolation.py fix(gateway): close residual memory-leak sites under heavy scheduled workload 2026-06-08 06:32:42 -07:00
test_hermes_bootstrap.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_hermes_constants.py fix(cli): detect containerd/CRI cgroup-v2 containers in is_container() (#47131) 2026-06-17 12:11:31 +10:00
test_hermes_home_profile_warning.py
test_hermes_logging.py fix(logging): alias RotatingFileHandler to concurrent-log-handler (salvage #44921) (#46794) 2026-06-17 15:39:04 -05:00
test_hermes_state.py test(sessions): cover title reclaim across a compression lineage 2026-06-19 17:36:18 +05:30
test_hermes_state_compression_locks.py fix(compression): prevent session-id fork from concurrent compressions (#34351) 2026-05-28 21:40:39 -07:00
test_hermes_state_wal_fallback.py fix(kanban): skip redundant WAL pragma on already-WAL connections 2026-05-27 14:31:55 -07:00
test_honcho_client_concurrency.py fix(plugins): thread-safe lazy-singleton helpers; fix honcho TOCTOU (#24759) (#42150) 2026-06-08 09:35:22 -07:00
test_honcho_client_config.py fix(honcho): harden self-hosted setup paths 2026-05-29 22:29:48 -07:00
test_honcho_session_context.py fix(honcho): align user context peer perspective 2026-05-27 10:49:33 -07:00
test_honcho_startup_fail_open.py fix: make Honcho startup fail open 2026-06-01 20:13:42 -07:00
test_install_no_initial_commit.py fix(install): move broken checkout aside instead of deleting it 2026-06-08 02:18:21 -07:00
test_install_ps1_native_stderr_eap.py fix(install): fail fast when uv venv genuinely fails under relaxed EAP 2026-06-18 22:11:35 +05:30
test_install_ps1_uv_powershell_host.py test(install): lock uv installer to a resolved PowerShell host 2026-06-18 16:26:34 +07:00
test_install_sh_browser_install.py
test_install_sh_install_method_stamp.py fix(update): scope install-method stamp to the code tree, not $HERMES_HOME (#48188) 2026-06-18 14:14:41 +10:00
test_install_sh_node_global_prefix.py fix(install): repair existing managed-Node global prefix on re-run 2026-06-14 17:34:11 +07:00
test_install_sh_pythonpath_sanitization.py
test_install_sh_root_fhs_uv_python_path.py test(install): harden uv-python-path regression test against future drift 2026-05-27 13:55:51 -07:00
test_install_sh_setup_wizard_tty_probe.py
test_install_sh_symlink_stomp.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_install_sh_termux_network_prereqs.py
test_install_unmerged_index.py test(installer): regression for unmerged-index update failure 2026-06-13 05:19:44 -07:00
test_ipv4_preference.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_lazy_session_regressions.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_lint_config.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_live_system_guard_self_test.py
test_mcp_serve.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_mini_swe_runner.py
test_minimax_model_validation.py
test_minimax_oauth.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_minisweagent_path.py
test_model_forces_max_completion_tokens.py fix(params): send max_completion_tokens for newer OpenAI families on custom endpoints 2026-06-09 23:22:10 -07:00
test_model_picker_scroll.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_model_tools.py feat(middleware): add adaptive execution intercepts 2026-06-03 11:22:06 -07:00
test_model_tools_async_bridge.py fix(web): run URL SSRF checks off the event loop in async paths 2026-06-04 18:04:47 -07:00
test_ollama_num_ctx.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_output_cap_parsing.py test(agent): cover char-based output-cap overflow parsing (#42741) 2026-06-09 03:17:12 -07:00
test_package_json_lazy_deps.py
test_packaging_metadata.py feat(mcp-catalog): add official Unreal Engine 5.8 MCP server 2026-06-18 09:16:40 -07:00
test_plugin_skills.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_plugin_utils.py fix(plugins): thread-safe lazy-singleton helpers; fix honcho TOCTOU (#24759) (#42150) 2026-06-08 09:35:22 -07:00
test_process_loop_event_loop_warning.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_project_metadata.py fix(deps): align anthropic extra pin with lazy pin + guard whole pin surface (#42335) 2026-06-08 12:11:54 -07:00
test_retry_utils.py
test_run_tests_parallel.py fix(ci): remove pytest-timeout, use per-file timeout only 2026-06-12 13:42:42 -04:00
test_sanitize_tool_error.py
test_slash_worker_watchdog.py feat(slash-worker): self-terminate on parent death via create_time watchdog 2026-06-08 07:03:12 -07:00
test_sql_injection.py
test_state_db_malformed_repair.py fix(state.db): recover from malformed sqlite_master so hidden sessions reappear (#43149) 2026-06-09 18:49:08 -05:00
test_subprocess_home_isolation.py fix: make profile subprocess HOME policy explicit 2026-06-14 03:20:21 -07:00
test_termux_all_extra_compat.py
test_timezone.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_toolset_distributions.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_toolsets.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_trajectory_compressor.py fix(research): keep tool_call/tool_response pairs intact when compressing trajectories 2026-06-07 05:01:27 -07:00
test_trajectory_compressor_async.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_transform_llm_output_hook.py
test_transform_tool_result_hook.py test: stub has_hook in transform_tool_result hook tests 2026-06-03 06:36:46 -07:00
test_tui_gateway_server.py test: narrow db._conn before raw SQL so ty stops flagging None-union access 2026-06-18 16:04:58 -05:00
test_tui_gateway_ws.py feat(desktop): composer status stack, live subagent windows, editable prompts (#44630) 2026-06-12 08:30:06 -05:00
test_tui_mcp_late_refresh.py fix(tui): refresh tool snapshot when MCP discovery lands after agent build (#48403) 2026-06-18 05:41:23 -07:00
test_utils_truthy_values.py
test_web_server.py refactor(desktop): use port 0 for ephemeral port discovery instead of PortPool reservation 2026-06-12 14:02:19 -04:00
test_wheel_locales_e2e.py fix(packaging): ship locales/ i18n catalogs in wheel, sdist, and Nix (#38383) 2026-06-03 12:00:27 -07:00
test_yuanbao_integration.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_yuanbao_markdown.py
test_yuanbao_pipeline.py feat(Yuanbao): support wechat forward msg (#43508) 2026-06-12 02:06:47 -07:00
test_yuanbao_proto.py chore: prune unused imports and duplicate import redefinitions 2026-05-28 22:26:25 -07:00
test_yuanbao_shutdown.py fix(yuanbao): bound ws.close() so an idle server can't stall shutdown ~5s (#40607) 2026-06-07 17:49:38 -07:00