Run a read-only health check for the current coding-agent host. Do not install, authenticate, select an instance, or invoke a mutating Portal action.
Diagnostic workflow
1. Inspect the host plugin
Use only the command for the current host:
claude plugin list --json
codex plugin list --available --json
In Cursor, inspect the installed plugin through Cursor Settings → Plugins. Do not assume a Cursor plugin-list CLI command exists.
Confirm whether portal is installed and enabled, and record its
reported version. If the installed version is current but the visible commands
have older descriptions, recommend /reload-plugins in Claude Code or a new
session in the current host.
Run the corresponding plugin command with --help first if its JSON syntax is
not supported by the installed host version.
2. Verify the CLI runtime and command surface
node --version
npm --version
npx @spotify/portal-cli --help
npx @spotify/portal-cli auth --help
The CLI should expose auth, actions, owner, search, and service.
Report missing commands as a CLI-version blocker.
3. Inspect authentication without changing selection
npx @spotify/portal-cli auth list
npx @spotify/portal-cli auth show
When the user supplied an instance name, inspect it with the documented
auth show instance flag. When multiple instances exist and no target was
provided, report the ambiguity instead of selecting one.
Never request or print credentials, tokens, or authorization codes.
4. Verify read-only Portal access
npx @spotify/portal-cli actions list --json
Treat success as evidence that the CLI can authenticate, reach the selected instance, and enumerate the user's available actions. Do not invoke an action.
Report
Return a compact table with these checks:
| Check | Status | Evidence or next action |
|---|---|---|
| Plugin | Ready, warning, or blocked | Installed version and reload guidance |
| CLI | Ready or blocked | Runtime and required command surface |
| Authentication | Ready, ambiguous, or blocked | Instance name and backend URL |
| Actions | Ready or blocked | Result of actions list --json |
Do not report overall readiness when a required check is blocked or unverified.