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Context Mode is a tool that solves AI agent context problems by sandboxing tool outputs and persisting sessions, achieving up to 98% compression of Playwright snapshots and using BM25 retrieval to reduce context window usage. It supports 15 platforms including Claude Code, Gemini CLI, VS Code Copilot, and is used by major tech companies.
This reference implementation demonstrates how to run an LLM agent securely within a local sandbox to process and analyze various document types using Rust, LiteParse, and microsandbox. The open-source CLI leverages OpenAI's GPT models and native bash commands to perform file retrieval and analysis in an isolated environment.
Article advocates Firejail as a mature Linux sandboxing tool to restrict program network, filesystem and hardware access without needing new display tech like Wayland.
A technical guide on using microvm.nix on NixOS to create ephemeral VMs for safely running coding agents without access to personal files.
Anthropic introduces sandboxing features for Claude Code, including filesystem and network isolation, to enhance security and reduce permission prompts by 84%.