Automation on Chen Kai Blog

Product Thinking (4): Self-Healing Systems — Teaching Machines to Fix Themselves

Tue, 02 Jun 2026 09:00:00 +0000

The Bug That Fixed Itself#

One morning in late May 2026, I woke up to a DingTalk notification from my research agent system:

“self_heal Rule 37 triggered: restarted research-pipeline after 3 consecutive OOM kills. Root cause: scanner thread retained full PDF buffers across iterations. Applied patch: explicit del after extraction. Validation: 45 minutes post-patch, RSS stable at 1.2 GB (was 2.4 GB pre-patch).”

Claude Code Hands-On (6): The SDK, GitHub Integration, and Claude in CI

Thu, 23 Apr 2026 09:00:00 +0000

The CLI is the obvious surface. The SDK is the interesting one. The GitHub integration is where it pays off.

The SDK in one paragraph#

@anthropic-ai/claude-code is the npm package. It exposes the same Claude Code engine the CLI uses, with the same tools and permissions, as a programmatic interface. You give it a prompt; you get an async iterable of conversation events. Plug it into anything — a script, a service, a CI step.

Claude Code Hands-On (5): Hooks, or How to Stop Worrying About Yolo Mode

Wed, 22 Apr 2026 09:00:00 +0000

If MCP is how Claude reaches out, hooks are how you reach in. They enforce the rules you care about, not just what you hope for.

The model#

A hook is a shell command that Claude Code runs at specific moments. The two you’ll use most are:

OpenClaw QuickStart (8): Heartbeat, Cron, and Getting Pinged at 7am

Wed, 15 Apr 2026 09:00:00 +0000

The first time I deployed OpenClaw I sat there sending it messages. After two days I realized I had built a chatbot, not an agent. The thing that made it an agent was the moment it started messaging me without being asked.

This piece is about the two ways to make that happen.