Engineering notes
Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: deepagents
Rebuilding a Claude Code-Style Agent With LangChain Deep Agents
How a coding agent's harness works, from the core loop to tools, planning, memory, subagents and sandboxed approvals, rebuilt step by step with deepagents.
16 min readBuilding a DeepAgents Harness: Permissions, Subagents and Human Approval
Building a DeepAgents harness for a system-design planner: file backends, access control rules, subagents, human approval gates, skills and MCP tools.
24 min readLangChain Deep Agents: Planning, Files and Subagents Built In
LangChain Deep Agents on top of LangGraph: write_todos planning, a virtual filesystem, subagents, auto-summarization and memory, plus when to skip the harness.
8 min read
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About these articles
Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
Technical posts ship in English first so code and API names stay exact. The site chrome (navigation, SEO shells) is available in all nine languages.
New drafts land in the publish queue as they pass editorial checks. Running the site import picks up only new or changed slugs — nothing is duplicated.
Treat samples as illustrative. Validate against your stack and licences before production use. For delivery work, contact us with the brief.
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