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SKILL verified MIT Self-run

Hotline Switchboard

skill-jtsternberg-claude-plugins-switchboard · by jtsternberg

Live read-only HTML dashboard of hotline conversations — 'open/stop the switchboard', 'watch the hotline calls', 'is the switchboard running?

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Install

$ agentstack add skill-jtsternberg-claude-plugins-switchboard

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
0 installs to date
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● 5d ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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How agent discovery & health will work →
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About

Hotline: Switchboard

A local dashboard that shows every hotline call — who dialed whom, live/recent/stale status — and renders both ends of a call side-by-side, updating in real time as the conversations evolve. Strictly view-only: it tails the Claude Code transcript files, never writes.

How it works

  • Call registry: ~/.agents-hotline/sessions/*.json (caller, callees, session IDs, modes).
  • Discovery scan: calls missing from the registry are reconstructed from the /hotline:hotline-ringing handshake in each callee transcript's head and shown with a traced stamp.
  • Transcripts: each session ID maps to ~/.claude/projects/*/.jsonl, which Claude Code appends to live. The server tails these from byte offsets and streams new entries to the browser over SSE.
  • Zero dependencies: single-file Node server, inline HTML/JS UI, no build step.

Commands

All via one script:

# Codex: this path resolves under Claude Code; substitute the directory containing this SKILL.md.
SKILL_DIR="${CLAUDE_SKILL_DIR}"
bash "$SKILL_DIR/scripts/switchboard.sh" start [--port=4160] [--no-open]
bash "$SKILL_DIR/scripts/switchboard.sh" stop
bash "$SKILL_DIR/scripts/switchboard.sh" status

Each prints a JSON status line. start backgrounds the server (pidfile at ~/.agents-hotline/switchboard.pid, log at ~/.agents-hotline/switchboard.log) and opens the browser unless --no-open is passed. start always replaces any prior switchboard instance on the port (pidfile-tracked or ad-hoc) so it serves fresh code — it doubles as a restart.

Usage

  • "Open the switchboard" / "watch the calls" → run start, then report the url from the JSON output.
  • "Stop the switchboard" → run stop.
  • "Is the switchboard running?" → run status.
  • Custom port: pass --port= or set HOTLINE_SWITCHBOARD_PORT.

Notes

  • Requires Node.js (node on PATH). If missing, start reports an error — tell the user to install Node.
  • The board groups calls into live (activity in the last 15 min), recent (< 24h, tune with --stale-hours on the server), and stale.
  • If a session's transcript can't be found (deleted, or the session was compacted into a new ID), the lane shows "No transcript found" — this is expected for old registry entries, not a bug.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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