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A coding agent such as Claude Code, Cursor or Codex can add the Device SDK to your sketch for you. The SDK download includes AGENTS.md, instructions agents read on their own. It tells the agent to keep your pins and puzzle logic, use ed::Room, and compile for your exact board before it reports back.

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Give your agent these docs

These docs are built for AI tools as well as people: To add the MCP server to Claude Code, run:
In Cursor, add it to .cursor/mcp.json:
Other agents take the same address as a remote MCP server. Each page’s menu also has Copy page and buttons to open the page in ChatGPT or Claude.

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Set up the folder

  1. Extract the SDK download.
  2. Copy your sketch into its workspace folder, such as workspace/vault_keypad. Git ignores this folder.
  3. Open the extracted SDK folder in your agent. Claude Code reads CLAUDE.md, which points to AGENTS.md; most other agents read AGENTS.md directly.
If your sketch lives somewhere else, tell the agent to read the SDK’s AGENTS.md first.
Never put Wi-Fi passwords, pairing records or customer data in the folder or the prompt. The SDK gets Wi-Fi details during pairing, not from your code.

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Describe the prop

Tell the agent the facts it can’t see in the code. Replace the brackets:
Read AGENTS.md and add the Escape Director SDK to workspace/[sketch] for [exact board]. Keep my pins, output polarity, puzzle logic and reset behavior. The prop is solved when [condition]. Give the Game Master [commands] and show [state]. Keep any existing prop and capability IDs. Read the sketch first and ask about wiring or behavior it doesn’t show. Compile for my board and report the result. Don’t upload without asking me.
For example: “Add the SDK to workspace/vault_keypad for the UNO R4 WiFi. Make one prop that’s solved when 4-7-1-9 is entered, with Reset and Open latch commands.”

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Check the agent’s work

Ask the agent to hand off:
  • The files it changed.
  • The pins, wiring and IDs it kept.
  • The exact compile command and its result.
  • The core and library versions it used.
  • What it couldn’t check.
A clean compile means the code builds. It doesn’t prove the wiring, timing or prop work. Do these yourself:
  1. Upload the sketch with prop loads disconnected.
  2. Pair the board or update its connection, as in Build your own controller.
  3. In Test mode, run each command and watch the physical output.
  4. Run a practice game to check signals, linked Puzzles and Automations.

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Next

Add the SDK to your sketch explains each change the agent makes.