Tool Blueprints
Hands-on tutorials for building developer tools — sandboxed code execution, agent toolkits, and more. Complete with working code you can copy and run.
June 25, 2026
tool-blueprintsmicropythonwasmsandboxcode-execution
Tool Blueprints
Step-by-step build guides for developer tools. Each blueprint walks through a complete implementation with working code.
Available Blueprints
- MicroPython + WASM Sandbox — Build a sandboxed code-execution tool for AI agents using MicroPython compiled to WebAssembly. Covers one-shot and persistent sessions, resource limits, and host functions.
Related Articles
Prompt Engineering in Cursor
Master prompt engineering in Cursor IDE. Agent mode vs inline editing, composer prompts, codebase-aware prompting, and .cursorrules integration strategies.
Windsurf — AI Coding Tool Guide
Windsurf IDE with Cascade AI flow editor. Prompt patterns, rules configuration, multi-file editing, and comparison with Cursor and Copilot.
Prompt Engineering in OpenCode
Master prompt engineering for OpenCode. AGENTS.md conventions, /slash commands, plan mode workflows, provider-switching strategies, and multi-model prompt patterns.