Inspect and check
Cambium — messaging, projects and voice, one binary.
cambium [OPTIONS] [COMMAND]Print the version and source commit of the executable.
cambium --versionRead the configuration and report the boot plan without opening the store.
cambium --check --config <PATH>-
--config <PATH> - An explicit TOML configuration file. If omitted, the platform data directory supplies its location.
Check the installed MCP executable, fonts and native canvas without signing in.
cambium mcp --checkServe people and agents
Boot the server and serve until SIGINT or SIGTERM
cambium serve [OPTIONS]Start the MCP server beside the installed Cambium executable.
CAMBIUM_MCP_SEAT=<absolute seat file> cambium mcp-
CAMBIUM_MCP_SEAT - Absolute path to the private seat file. Keep its contents out of launcher configuration and logs.
Serving is a foreground operation ended by an operating-system signal.
Maintain a stopped installation
Copy a STOPPED store, its node and its keys into `<DIR>/<utc-stamp>/`.
cambium backup [OPTIONS] --to <DIR>-
--to <DIR> - Directory the stamped snapshot is created under.
Settle every diverged connection promotion plan of a STOPPED store to one consistent state, and print one line per plan settled.
cambium settle-promotions [OPTIONS]Switch a STOPPED server's sign-in issuer to its link-only target.
cambium cutover [OPTIONS]These are deliberate maintenance operations. Read their installed help and the named preconditions before planning one.