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: tools
Introduction to MCP: from fragmentation to shared tool servers
Why context pasting fails, how function calling helped, why N×M integrations hurt, and how MCP moves you toward N+M reusable servers.
1347 wordsRead articleGate Agent Tools Per User with LangChain Wrap Middleware
One calculator agent, three access tiers: wrap-style middleware overrides the tool list from runtime user_type instead of cloning three agents.
944 wordsRead articleMCP From Scratch Part 3: Connect a Client to Your Server
Build an MCP stdio client that launches hr_server.py, calls search_employee, and returns results—without starting the server by hand.
804 wordsRead article
FAQ
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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