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plan

Design an implementation plan before writing code — where the change lands, what it will touch, what could break, and the steps in order.

Skill by TheWinci

IndexedApache-2.0★ 30
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

Design an implementation plan before writing code — where the change lands, what it will touch, what could break, and the steps in order. Use when asked to plan a feature, scope a change, or figure out how to approach an edit before making it. To assess a change that already exists (a diff, refactor, or rename), use review instead.

Use cases: design, writing

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/plan

What's inside

Skill name
plan
Description
Design an implementation plan before writing code — where the change lands, what it will touch, what could break, and the steps in order. Use when asked to plan a feature, scope a change, or figure out how to approach an edit before making it. To assess a change that already exists (a diff, refactor, or rename), use review instead.
License
Apache-2.0
Instructions
14 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Plan

Goal: a concrete, ordered plan grounded in real source — and the blast radius of each proposed change *before* writing it.

1. **Understand the area** — `search "<feature/topic>"` for the relevant files, then `read_relevant "<behavior>"` to read the actual functions/sections with line ranges. Don't plan against guessed code.
2. **Where it lands** — `write_relevant "<what you're adding>"` for the best insertion point (file + anchor) for new code; `project_map(focus: <key file>)` for how the target neighborhood connects.
3. **Impact of the change** — for each symbol you intend to modify: `impact <symbol>` (transitive callers as a pruned tree + the tests to run) so the plan accounts for every caller it ripples to. Widen with `usages <symbol>` (call sites) and `dependents <file>` (file-level importers). `trace from=<a> to=<b>` to confirm two symbols actually connect before relying on the path.
4. **Prior decisions & caveats** — `search_checkpoints "<area>"` and `search_commits "<area>"` so the plan doesn't undo a deliberate choice; `get_annotations` on the files you'll touch for known bugs, constraints, or "don't refactor until X".
5. **Resolve open decisions** — before drafting, surface the choices the source doesn't settle (approach, scope, naming, tradeoffs) and ask the user. Don't guess past a fork that changes the plan; one round of focused questions beats a plan built on a wrong assumption.
6. **Draft the plan** — ordered steps, each naming the `file:line` to edit, what changes, the callers it impacts (from step 3), and the tests to run. Call out risks and remaining open questions instead of hiding them.

Finish: present the plan for review before implementing — steps in order, impact per step, tests to run, prior decisions respected, each with a `file:line` citation. Let the user review before acting.

From TheWinci/mimirs, Apache-2.0.

More from TheWinci/mimirs

Signals

Stars
30
Forks
3
Open issues
0
Last commit (this folder)
Jun 5, 2026 (4 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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plan skill. Agent Mart. https://agentmart.dev/skills/thewinci-plan (last updated 2026-10-24)