AI Engineering11 min read
Circuit breakers for LLM calls: stop cascading failures
How circuit breakers prevent LLM outages from cascading through your agent. The 3 states, the failure window, and the 50-line implementation.
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AI Engineering
Expert articles on building production AI systems, covering system design, architecture, observability, and real-world implementations.
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57 posts in total
AI Engineering11 min read
Context window management for production AI agents
How to manage context windows in production AI agents. The 4 strategies that keep long sessions bounded without losing critical context.
AI Engineering11 min read
Persistent memory for coding agents: cross-session context
How coding agents remember context across sessions. The memory store, the recall pattern, and the 3 kinds of memory every agent should keep.
AI Engineering12 min read
Custom tools for coding agents: beyond the built-ins
How to design custom tools for coding agents that are not read, edit, or bash. The naming rules, the schema patterns, and the 3 custom tools that pay off.
AI Engineering10 min read
ripgrep for coding agents: fast code search at scale
Why ripgrep is the right code search tool for coding agents. The speed, the flags, and the wrapper that turns rg into a safe agent tool.
AI Engineering11 min read
Edit tool design: how coding agents modify files safely
How to design an edit tool a coding agent can use without wrecking files. The string-match rule, the dry-run pattern, and the 50-line safe edit function.
AI Engineering12 min read
Designing modular tool integrations for coding agents
How to structure tool integrations so an agent stays clean as it grows. The registry pattern, schema-first design, and the 80-line dispatcher that scales.
AI Engineering11 min read
bash tools for coding agents: safe shell execution
How coding agents run shell commands safely. The bash tool design, the denylist trap, and the sandbox that keeps rm -rf away from your home directory.
AI Engineering12 min read
Build a coding agent with Claude: a step-by-step guide
How to build a coding agent with Claude in 100 lines of Python. Tool use, file editing, bash, and the loop that ties them together. No frameworks.
AI Engineering12 min read
The event loop inside a coding agent: how it thinks
How a coding agent loop actually works. The minimal while loop that turns a chatbot into Claude Code, and the 4 states every agent cycles through.
AI Engineering25 min read
System design for production AI chatbots
Master end-to-end system design for production AI chatbots. Learn streaming architecture, memory management, RAG integration, rate limiting, circuit bre...
AI Engineering25 min read
Building penny: a private, deterministic financial agent
Learn how to architect a production-ready local financial AI agent that keeps data private and guarantees mathematical accuracy. Deep dive into hybrid a...