Enforces strict waterfall SDLC where signed-off documents in docs/sdlc/01_requirement → docs/sdlc/02_design → docs/sdlc/03_implementation → docs/sdlc/04_testing → docs/sdlc/05_deployment → docs/sdlc/06_maintenance are the source of truth. Use whenever working in a project with (or that should have) the 6-phase SDLC document tree. Two modes — Bootstrap (co-author docs from scratch via four gated Q&A rounds when the tree is missing) and Strict (normal doc-driven development when the tree exists). Within each slice, TDD is mandatory: write the failing test first (derived from AC-### / TC-###), make it pass with the minimum code, refactor. Phase sign-off requires all four gates plus reconciliation run as two ordered passes (spec compliance → code quality). Includes per-phase workflows, plus protocols for change, migration, hotfix, and removal. Forbids freestyle code, undocumented features, out-of-order phase work, code-before-failing-test, silent deletes, undocumented migrations, and phase sign-off without reconciliation.
How to install skill?
electronics-extreme/claude-sdlc/skill
$npx -y skills add electronics-extreme/claude-sdlc --skill skillInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/electronics-extreme/claude-sdlc" --skill "electronics-extreme/claude-sdlc/skill"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/electronics-extreme/claude-sdlc" that are relevant to the current task. Run `npx skills add "https://github.com/electronics-extreme/claude-sdlc"` and select the relevant skills, then follow their instructions.
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