Skill · AI & Development

Structured Impl Planner

Prevent mid-code refactors by mapping dependencies and file changes before you write a single line. Install in 30 seconds.

Category: AI & Development
Deliverable: 1 .skill bundle
Outputs: —
Last updated: 13 Jun 2026

$9.99 One-time · lifetime updates

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Overview

What Structured Impl Planner does.

Structured Impl Planner reads your codebase context before it writes a single planning line, then produces a sequenced task list where every step names the exact files it touches, carries a concrete verification action, and flags rollback points on anything risky. It surfaces hidden dependencies and ordering constraints — the ones that turn 'quick feature' into three hours of untangling — so you know the full shape of the change before your editor is open. Assumptions are listed as explicit pre-checks, not discoveries scheduled to ambush you at step seven.

Give it something like: a Node/Express codebase where you need to add per-tenant rate limiting, your existing middleware stack as context, and the constraint that each commit must stay independently deployable. That is enough to work with. The skill asks four focused questions on context, goal, constraints, and audience — or proceeds on smart defaults if you skip them.

A typical output excerpt looks like this: Step 1 — add RateLimitStore interface to src/limits/types.ts. Verification: TypeScript compiles with zero new errors. Rollback: revert this file only, no downstream impact yet. Pre-check: confirm Redis client version supports the TTL command used in Step 3. Step 2 — implement InMemoryRateLimitStore in src/limits/inMemoryStore.ts. Verification: unit test suite passes in isolation. Dependency note: Step 3 cannot start until this interface is stable.

Who it's for

Developers and engineering leads who work on features that touch multiple files or modules and have been burned by mid-implementation pivots, merge conflicts, or specs that turn out to be incomplete once the code is already half-written. Also useful for anyone handing a task off to a coding agent and needing a plan the agent can execute step-by-step without rediscovering the architecture mid-flight.

How it works

Three steps. About two minutes.

Install

Add the .skill file to your Claude app. ~10 seconds.

Run it on your work

Invoke the skill and paste in your material.

Apply the output

Review, keep what works, and use it.

In depth

Why a Claude skill beats a prompt template.

A copy-paste prompt runs one static pass and stops. A skill is a bundled program — instructions, examples, and a workflow Claude runs as a unit: it asks for the right input, applies the same pattern every time, and returns the structured outputs above.

FAQ

Common questions.

What do I need to provide as input?

At minimum: a description of the feature or change you want to implement, and enough codebase context for the skill to reason about real files and dependencies — paste in relevant file contents, directory structure, or module signatures. The more concrete the context, the more precise the file-level plan.

What does the output actually look like?

A sequenced task list where each step names specific files, a verification action (compile check, unit test, manual smoke test), and — on risky steps — a rollback point. Assumptions that could break the plan are surfaced as explicit pre-checks at the top rather than buried mid-list.

Does this skill write any code?

No. Its job is the plan, not the implementation. It tells you which files to change, in what order, and how to verify each step. You or a coding agent executes the steps.

Is it useful if my spec is still incomplete?

Yes — that is one of its primary use cases. It will flag the gaps in the spec as explicit assumptions and pre-checks, so you know what to resolve before you start rather than mid-implementation.

Can I use the output to brief a coding agent like Claude or Copilot?

Yes. Each step is written to be independently actionable and verifiable, which makes the plan a direct input for a coding agent without additional reformatting.