# Implement

> Reads a specific plan from docs/plan/ and executes the code changes described within it. Use this when the user says "implement the plan" or "execute the plan". Use when this capability is needed.

- Skill: `tomevault-io/implement-20` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/implement-20`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/implement-20/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/implement-20

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# Plan Executor
This skill acts as the builder. It takes the architectural blueprint (the plan file) and strictly converts it into code changes.

## When to use this skill
- When the user says "implement the plan".
- When the user says "execute [filename]".
- When the user wants to apply the changes defined in a recently generated plan.

## Instructions
1.  **Locate Plan**:
    -   If the user provided a filename, read `docs/plan/[filename]`.
    -   If NO filename is provided, find the **most recent** file in `docs/plan/` and confirm with the user: "Found latest plan: [filename]. Proceed with implementation?"
2.  **Ingest Context**: Read the entire content of the plan file. Treat the "Implementation Steps" section as your primary instruction set.
3.  **Execute Steps**:
    -   Go through the plan item by item.
    -   **Create/Modify Files**: Apply the code changes described.
    -   **Run Commands**: Execute necessary shell commands (e.g., `pip install`, `npm run build`) if explicitly listed.
4.  **Verification**:
    -   After applying changes, check against the "Verification" section of the plan.
    -   Ensure no syntax errors were introduced.
5.  **Update Plan**:
    -   (Optional) Append a "Status: Implemented on [Date]" note to the bottom of the plan file.

## Constraints
-   **Scope**: Do NOT deviate from the plan. If you encounter a logical error in the plan, STOP and report it to the user.
-   **Safety**: If the plan involves deleting files, ask for explicit confirmation before that specific step.

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<!-- tomevault:4.0:skill_md:2026-04-11 -->

