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marfrit-packages/debian/lmcp/debian/changelog
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lmcp 0.5.3-1: hub hardening — hard ssh timeout, parallel probes, sticky DOWN cache
2026-04-21 14:00:28 +02:00

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lmcp (0.5.3-1) bookworm trixie; urgency=medium
* hub.lua: hard wall-clock cap on ssh fallback via `timeout` —
prevents event-loop wedges on half-dead sshd (auth stall, remote
bash-s hang). Configurable via LMCP_HUB_SSH_HARD_TIMEOUT.
* hub.lua: parallel lmcp probes for remote_list_hosts. Wall clock
for a 12-backend fleet with 8 offline hosts drops from ~28 s
(sequential ssh timeouts) to ~3 s.
* hub.lua: probe is lmcp-only, not ssh. Actual remote_* calls still
fall through to ssh fallback when lmcp is down.
* hub.lua: sticky DOWN cache with exponential backoff (60 → 120 →
240 → 480 → 900 s). UP hosts still 30 s TTL.
* hub.lua: per-request stderr logging (tool/host/via/elapsed) for
future RCA.
-- Markus Fritsche <mfritsche@reauktion.de> Tue, 21 Apr 2026 14:10:00 +0000
lmcp (0.5.2-1) bookworm trixie; urgency=medium
* server.lua: new shell_bg tool launches detached commands via
setsid + nohup + stdio-redirect. Returns PID + log path
immediately. Linux-only for MVP.
* hub.lua: new remote_shell_bg forwards to backend shell_bg.
-- Markus Fritsche <mfritsche@reauktion.de> Mon, 20 Apr 2026 09:34:48 +0000
lmcp (0.5.1-1) bookworm trixie; urgency=medium
* server.lua: search_files uses "find -L" so macOS BSD find
follows a symlink passed as the starting path (e.g. Homebrew's
/usr/local/share/lua -> Cellar/…). Previously returned empty.
-- Markus Fritsche <mfritsche@reauktion.de> Sun, 19 Apr 2026 12:48:27 +0000
lmcp (0.5.0-1) bookworm trixie; urgency=medium
* Add hub — fleet-wide MCP broker (hub.lua). Proxies remote_* tools
to every backend in a registry with SSH fallback for hosts whose
lmcp is temporarily unreachable. See
/usr/share/doc/lmcp/examples/lmcp-hub.service and
hub-backends.conf.example for deployment.
-- Markus Fritsche <mfritsche@reauktion.de> Sun, 19 Apr 2026 12:30:03 +0000
lmcp (0.4.1-1) bookworm trixie; urgency=medium
* Add LMCP_TOKEN environment-variable fallback for Bearer auth, so
launchd / systemd drop-ins can drop the token in the service env
without a conf file.
* Ship scripts/lmcp-install-macos.sh for Homebrew-based macOS installs
(mints token, writes LaunchAgent, smoke-tests).
-- Markus Fritsche <mfritsche@reauktion.de> Sat, 18 Apr 2026 10:46:56 +0000
lmcp (0.4.0-1) bookworm trixie; urgency=medium
* Add edit_file tool (Claude Code Edit semantics: literal match,
fails on multiple matches unless replace_all=true).
-- Markus Fritsche <mfritsche@reauktion.de> Fri, 17 Apr 2026 15:48:26 +0000
lmcp (0.3.0-1) bookworm trixie; urgency=medium
* Initial release packaged for marfrit overlay repo.
-- Markus Fritsche <mfritsche@reauktion.de> Tue, 14 Apr 2026 22:00:00 +0200