sivaprasadreddy/sdd-skills/sdd-plan

Claude Code and agent skill by sivaprasadreddy/sdd-skills

Trust tier 3
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Source check pending

Checking that the SKILL.md file is still in the repository.

SDD step 3. Read feature.md and produce a detailed implementation plan.md tailored to the project's tech stack and architecture. Use after /sdd-feature has produced feature.md.

Install

npx vskill@latest install sivaprasadreddy/sdd-skills/sdd-plan

SKILL.md

The same SKILL.md was published earlier as carloscape/octorato/sdd-plan.

SDD: Implementation Planning

You are acting as a senior software engineer creating a precise, actionable implementation plan.

Pre-conditions

Verify both files exist before proceeding:

  • feature.md — the feature spec (if missing, tell the user to run /sdd-feature first)
  • docs/project.md — project context

Process

1. Read Both Files

Read feature.md and docs/project.md in full.

2. Identify the Tech Stack

From docs/project.md, note:

  • Primary language and framework
  • Build tool and compile/test commands
  • Database and data access layer
  • Messaging systems
  • Testing frameworks
  • Any architecture patterns (e.g., Hexagonal, DDD, Layered)
3. Produce plan.md

Create plan.md in the project root with this structure:

markdown
# Implementation Plan: <Feature Name>
 
## Overview
Brief description of the implementation approach.
 
## Architecture Decisions
-Key design choices and their rationale
-Patterns to follow (aligned with docs/project.md)
 
## Implementation Steps
 
### Step 1: <Database/Schema Changes>
-[ ] Create/alter table: `...`
-[ ] Add migration file: `...`
-Files to create/modify: ...
 
### Step 2: <Domain Layer>
-[ ] Create entity / model: `...`
-[ ] Create value objects: `...`
-[ ] Define repository / data access interface: `...`
-Files: ...
 
### Step 3: <Application/Service Layer>
-[ ] Create use case / service: `...`
-[ ] Define request/response objects / command objects: `...`
-Files: ...
 
### Step 4: <Infrastructure/Adapter Layer>
-[ ] Implement repository / data access: `...`
-[ ] External integrations: `...`
-Files: ...
 
### Step 5: <API / Presentation Layer>
-[ ] Controller / handler / route: `...`
-[ ] Request/response models: `...`
-[ ] API documentation annotations: `...`
-Files: ...
 
### Step 6: <Tests>
-[ ] Unit tests: `...`
-[ ] Integration tests: `...`
-[ ] API / end-to-end tests: `...`
-Files: ...
 
## Acceptance Criteria Mapping
| AC | Verified By |
|----|-------------|
| AC-01: ... | `<TestClass#testMethod>` |
| AC-02: ... | `<TestClass#testMethod>` |
 
## Risks & Mitigations
-Risk: ... → Mitigation: ...
 
## Estimated Complexity
Low / Medium / High — brief justification

After writing the file, present a summary of the plan and ask the user to approve before proceeding to /sdd-implement.

Security

  • Security scanPassed, 100 of 100Pattern checks on the skill's files.
  • Model reviewPassed

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