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: sandboxing
Seven Questions to Ask Before Running a Local MCP Server
A checklist for sandboxing local MCP servers, worked through on the GitHub server: short-lived tokens, sealed network, egress allowlist and pinned tool lists.
8 min readRecursive Language Model Sandbox: What Held Up, What Needs Rebuilding
Lessons from shipping a recursive language model sandbox: isolation layers, brokers, CDR, the limits of userspace tracing and one host, and why restraint won.
6 min readThe Five Layers of an Agent Harness, With Code That Fails Without Them
The five layers of an agent harness, each with code that fails without it: execution boundary, sandboxing, memory, verification loops and the context pipeline.
14 min read
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