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Troubleshooting

usage error

Cause: invalid command shape or missing required flags.

Fix:

  • run mcpup --help
  • run command with --verbose to inspect parsed fields

server not found

Cause: enabling/disabling unknown canonical server.

Fix:

  1. mcpup list
  2. mcpup add <name> --command <cmd>

unsupported client

Cause: unsupported --client value.

Fix:

  • run mcpup clients list
  • use one of: claude-code, cursor, claude-desktop, codex, opencode

doctor detected failure checks

Cause: one or more diagnostics failed.

Fix:

  1. run mcpup doctor --json
  2. inspect failed checks and suggestions
  3. repair config or permissions

rollback failed

Cause: backup timestamp not found or source path permission issue.

Fix:

  1. inspect backup directory ~/.mcpup/backups/<client>/
  2. run mcpup rollback --client <client> without --to