Start and manage the full heartbeat ecosystem for agent-studio. Registers all 7 heartbeat loops plus auto-reschedule task via CronCreate to keep the agent ecosystem healthy, indexed, informed, and connected.
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Start and manage the full heartbeat ecosystem for agent-studio. Registers all 7 heartbeat loops plus auto-reschedule task via CronCreate to keep the agent ecosystem healthy, indexed, informed, and connected.
category
infrastructure
trigger
when user wants to start heartbeat monitoring, recurring health checks, the full heartbeat ecosystem, scheduled maintenance, or autonomous reflection loops
The Heartbeat Ecosystem keeps agent-studio healthy, indexed, and informed by running 7 background loops via Claude Code's cron scheduler (CronCreate/CronList/CronDelete).
Key constraint — session-scoped: All loops die when the terminal closes. Use Loop 0 (auto-reschedule) to prevent silent 3-day expiry, and re-run Quick-Start commands after each session restart.
Quick-Start — Activate All Loops Now
Run these /loop commands in your Claude Code session:
/loop 2h Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-reflection-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to run reflection-check.cjs. Reply HEARTBEAT_OK after spawning.
/loop 4h Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-indexing-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to check mtime of .claude/context/code-index/metadata.json and reindex if older than 4 hours or missing. Reply HEARTBEAT_OK after spawning.
/loop 30m Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-drain-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to run context-drain.cjs and report stdout. Reply HEARTBEAT_OK after spawning.
/loop 24h Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-evolution-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to run evolution-check.cjs. Reply HEARTBEAT_OK after spawning.
The 7 Heartbeat Loops
Loop 0: Auto-Reschedule (every 2 days — MANDATORY)
Prevents silent 3-day expiry. CRITICAL ORDER: Always CronCreate new tasks BEFORE CronDelete old ones.
CronCreate({
schedule: '0 0 */2 * *',
task: 'Self-maintenance: CronList() to inventory active tasks. Identify missing heartbeat loops from the expected set (reflection-2h, evolution-24h, briefing-8am, indexing-4h, drain-30m, telegram-5m, research-7am, reschedule-2d). Recreate any missing tasks using schedules in .claude/context/plans/heartbeat-ecosystem-design-2026-03-07.md. Report recreated task IDs.',
});
Loop 1: Continuous Reflection (every 2h)
Extracts patterns from session transcripts before they are lost.
CronCreate({
schedule: '0 */2 * * *',
task: "Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-reflection-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to execute this tick. The orchestrator must: (1) call TaskUpdate(in_progress), (2) run `node .claude/tools/cli/reflection-check.cjs`, (3) if stdout is HEARTBEAT_OK, call TaskUpdate(completed) and exit. Do NOT run the script directly in the router session. Reply HEARTBEAT_OK immediately after spawning.",
});
Loop 2: Agent Evolution (every 24h at 3am)
Applies accumulated learnings to improve agent definitions.
CronCreate({
schedule: '0 3 * * *',
task: "Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-evolution-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to execute this tick. The orchestrator must: (1) call TaskUpdate(in_progress), (2) run `node .claude/tools/cli/evolution-check.cjs`, (3) if stdout is HEARTBEAT_OK, call TaskUpdate(completed) and exit. Do NOT run the script directly in the router session. Reply HEARTBEAT_OK immediately after spawning.",
});
Loop 3: Morning Briefing (8am weekdays)
Summarizes overnight state and suggests priority work.
CronCreate({
schedule: '0 8 * * 1-5',
task: 'Morning briefing: Spawn researcher via Task() to read issues.md, learnings.md, git log, and generate morning briefing report. Do NOT wait for sub-agent. Reply HEARTBEAT_OK and exit.',
});
Loop 4: Codebase Indexing (every 4h)
Keeps hybrid search index fresh.
CronCreate({
schedule: '0 */4 * * *',
// Fixed 2026-04-21: was bm25-index.json which never exists — real artifact is metadata.jsontask: "Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-indexing-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to execute this tick. The orchestrator must: (1) call TaskUpdate(in_progress), (2) check mtime of .claude/context/code-index/metadata.json via Bash; if older than 4 hours or missing, run `pnpm code:index:reindex`, (3) call TaskUpdate(completed) and exit. Do NOT run the script directly in the router session. Reply HEARTBEAT_OK immediately after spawning.",
});
Loop 5: Context Drain + Clear (every 30min)
Detects pipeline idle state — warns user, does NOT auto-clear.
CronCreate({
schedule: '*/30 * * * *',
task: "Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-drain-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to execute this tick. The orchestrator must: (1) call TaskUpdate(in_progress), (2) run `node .claude/tools/cli/context-drain.cjs`, (3) reply with the exact stdout output, then call TaskUpdate(completed) and exit. Do NOT run the script directly in the router session. Reply HEARTBEAT_OK immediately after spawning.",
});
Loop 6: Telegram Polling (every 5min)
Polls Telegram Bot API for user messages and routes to agents.
Configuration required:
Create Telegram bot via @BotFather → get token
Set TELEGRAM_BOT_TOKEN=your_token in .env
Start loop after .env is configured
CronCreate({
schedule: '*/5 * * * *',
task: "Heartbeat tick: Spawn heartbeat-orchestrator subagent via Task({ task_id: 'hb-telegram-' + Date.now(), subagent_type: 'heartbeat-orchestrator' }) to execute this tick. The orchestrator must: (1) call TaskUpdate(in_progress), (2) run `node .claude/tools/cli/telegram-poll.cjs`, (3) if stdout is HEARTBEAT_OK, call TaskUpdate(completed) and exit. Do NOT run the script directly in the router session. Reply HEARTBEAT_OK immediately after spawning.",
});
Discord note: Discord uses webhooks (push-based) rather than polling. Send messages via Discord webhook URL, but receiving requires a persistent process — recommend Telegram for bidirectional communication.
Loop 7: ArXiv + Exa Research Digest (daily at 7am)
Surfaces relevant academic papers and web news. Delegates to the dedicated monitor skills.
CronCreate({
schedule: '0 7 * * *',
task: 'Research digest: Spawn researcher via Task() to invoke arxiv-monitor and exa-monitor skills. Do NOT wait for sub-agent. Reply HEARTBEAT_OK and exit.',
});
Dedicated skills:arxiv-monitor (every 6h standalone) | exa-monitor (every 4h standalone)
Config:ARXIV_KEYWORDS and EXA_MONITOR_TOPICS env vars (see .env.example)
