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claude-code-complete-agent/examples/08-cron-automation/prompt.md
Kjell Tore Guttormsen 0d0b83f98c feat: make examples cumulative with carry-forward chain and capstone
Add three new sections to all 14 examples:
- "Carry Forward": what output feeds into later examples (01-10)
- "The Cumulative Path": alternative prompt building on previous output (02-10)
- "Now Try It Yourself": personalized template with transferable pattern (all)
- "Building On" callout connecting back to previous examples (02-10)

Add Example 14: Build Your Personal Agent - capstone that guides reader
through writing their own CLAUDE.md, creating a personal skill, connecting
a messaging channel, setting up automation, and testing end-to-end.

Update README with cumulative path diagram, two usage modes, and example 14.
Update GETTING-STARTED.md with cross-references to relevant examples.

17 files changed, 703+ lines added. The examples now form a coherent
learning path from "see what it can do" to "build your own agent."

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-26 21:14:35 +01:00

4.4 KiB

Example 08: Cron and Scheduled Automation

Capability: Claude Code supports scheduled and automated execution through three complementary mechanisms, covering in-session polling through to system-level cron jobs.

OpenClaw equivalent: HEARTBEAT.md, cron scheduler, webhooks, auto-reply.

Building on Examples 01-07. You have a complete pipeline: research (01-03), memory (05), agent review (06), and delivery (07). This example makes it run without you pressing enter. Automation is what separates a demo from a daily driver.


Three Approaches

Approach 1: /loop (In-session polling, v2.1.71)

For tasks that should repeat while Claude Code is running:

/loop interval=60

Every 60 seconds, check if a file called 'trigger.txt' exists in this
directory. If it does, read its contents, execute the task described inside,
delete the file, and write the result to 'loop-output.md'. Then wait for
the next trigger.

Use this for development and testing. The loop runs as long as the session is active.


Approach 2: CronCreate (System-level scheduling, v2.1.71)

For tasks that should run on a schedule even when Claude Code is not open:

Create a cron job that runs the 'daily-briefing' skill every morning at 07:00.
Use the automation/daily-briefing.sh wrapper script. Show me the cron entry
before creating it so I can verify it.

Claude Code calls CronCreate to register the job with the system cron daemon. Use CronList to see all registered jobs and CronDelete to remove them. The automation/daily-briefing.sh script in this repo is a ready-made wrapper.


Approach 3: /schedule (Remote trigger, web only)

For triggering runs from anywhere, including from a phone:

/schedule "Run the web-research skill on 'latest Anthropic news' and
email me a summary" at 2025-04-01T08:00:00

/schedule is available in the Claude web interface. It queues a headless Claude Code run for the specified time. Combines with the Telegram permission relay (v2.1.81) for approval-gated automation.


Why This Matters

OpenClaw uses HEARTBEAT.md as a persistent loop marker. Claude Code achieves the same outcome with more granularity: /loop for in-process polling, CronCreate for system scheduling, /schedule for remote triggering. The automation/ directory in this repo provides macOS launchd examples as an alternative to cron.


Carry Forward

With scheduling configured, your pipeline runs itself:

  • Example 09 adds safety guardrails to protect automated runs
  • Example 10 is the pipeline that your cron job triggers
  • Example 12 lets you monitor and control scheduled runs from your phone

Automation is the multiplier. Everything you built in examples 01-07 runs once when you trigger it. With scheduling, it runs every day, every week, or every time a condition is met.


The Cumulative Path

If you ran Examples 01-07, you have a complete pipeline with delivery. This prompt schedules it to run automatically.

Create a cron job that runs every Monday at 07:00 to execute:
1. Web research on a topic from memory/research-state.md
2. Multi-agent review via the researcher/writer/reviewer agents
3. Save output to pipeline-output/
4. Send a Telegram notification with the summary

Use automation/daily-briefing.sh as a template for the wrapper script.
Show me the cron entry before creating it so I can verify.

After running this, your Monday mornings start with a fresh research report waiting on your phone.


Now Try It Yourself

Think about what you would automate if it cost zero effort:

Option 1: /loop (for testing)

/loop interval=300

Every 5 minutes, check if [your trigger condition]. If true,
[execute your pipeline]. Write results to [your output location].

Option 2: CronCreate (for production)

Create a cron job that runs [your task] every [schedule].
Use [wrapper script] and show me the cron entry first.

Option 3: /schedule (for remote)

/schedule "[your task description]" at [ISO datetime]

The pattern you just learned: trigger condition + pipeline steps + output destination. The three approaches cover different needs: /loop for development, CronCreate for system-level, /schedule for remote.

Ideas worth trying:

  • Weekly competitor monitoring report every Monday
  • Daily inbox summary from your email MCP at 08:00
  • Hourly check for new entries in a data source you monitor