1. Pain: who stays resident, who listens, where logs live
Three recurring failure classes: unclear prerequisites (Node major, package manager, config paths) producing opaque wizard errors; misunderstanding process models (Gateway attached to a shell dies when the shell ends); weak observability (port collisions, proxies, sleep) leading to reinstall loops instead of ordered triage.
2. Prerequisites checklist
| Item | Guidance | If wrong |
|---|---|---|
| Node runtime | Match project docs; avoid mixed default aliases | Native add-ons or CLI mismatches |
| Package manager | Pick one per repo; commit lockfiles | Drift and flaky installs |
| Config/workspace paths | Confirm home-directory layout for your release | Editing the wrong file silently |
| API keys | Least privilege; never commit secrets | Cost and leakage |
3. Onboard phases in intent form
Think of onboard as binding identity (keys), channels (IM/API), runtime mode (manual/daemon), and workspace. Typical flow: environment probe, merge main config, attach one channel with loopback proof, optional daemon registration, print diagnostic commands. On failure, capture stack traces and step numbers before wiping state.
4. Foreground Gateway vs daemon
Foreground is best for first light: stdout/stderr visible, fast restart after edits. Daemons suit always-on messaging but must match interactive user, working directory, and environment—classic bug: works in a shell, fails under launchd. Prove foreground first, then promote to daemon with the same health probe.
5. Five-step smoke test
1 Health or listen check per docs. 2 Minimal message/API round trip. 3 Scan logs for auth, rate limit, DNS labels. 4 If behind a proxy, validate TLS, WebSocket upgrades, timeouts. 5 Record version, config hash, and a successful request id for upgrades.
6. Port, permission, log matrix
| Symptom | Check first | Action |
|---|---|---|
| Address already in use | lsof or OS listener list | Kill stale process or change port; avoid double instances |
| Daemon exits immediately | Service logs, WorkingDirectory, env | Reproduce in foreground; set explicit paths |
| Silent channel | Webhook URL, firewall, NAT loopback | Split network vs app with curl inside/outside |
| Flaky disconnects | Sleep, lid close, upstream throttling | Disable sleep on hosts; backoff retries |
Operational anchors:
- Keep 50–100 contiguous log lines before keyword search.
- Before/after minor upgrades run health + one E2E message.
- On remote Macs alert when free disk drifts below a safe band to avoid log-filled stalls.
7. Remote Mac hosting checklist
Beyond normal Gateway config: sleep policy, post-update daemon verification, log rotation, and ensuring the service user matches unattended expectations—not “only starts when someone SSHs as user A.” A monthly short runbook beats dashboard sprawl for small teams.
8. Why reproducible boot paths beat feature lists
Agent gateways churn features quickly; incidents repeat from config drift, dual instances, and env skew. Versioning onboard outputs, unit files, and health commands lets anyone restore a known-good state in minutes. Teams mixing creative GPU workloads with agents benefit from hosting the gateway on a dedicated remote Mac to isolate CPU, I/O, and sleep behavior from editing machines.
If local laptops keep dropping Gateway sessions or fighting for ports, MACGPU remote Mac nodes simplify always-on power, thermal headroom, and disk hygiene with hourly billing for pilots before fixed capacity.