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Use GitHub Spec Kit projects and commands inside Codex, including constitution, specify, clarify, plan, tasks, analyze, implement, extensions, and presets.
How this skill is triggered — by the user, by Claude, or both
Slash command
/spec-driven-development:sdd-spec-kitThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Use for GitHub Spec Kit, Specify CLI, `/speckit.*`, `$speckit-*`, `.specify/`, extensions, presets, or Spec Kit command behavior.
Use for GitHub Spec Kit, Specify CLI, /speckit.*, $speckit-*, .specify/, extensions, presets, or Spec Kit command behavior.
Project workspace is source of truth. Upstream github/spec-kit and any user-provided Spec Kit reference checkout are references unless the user asks to edit Spec Kit itself.
python3 <plugin>/scripts/sdd_surface_audit.py <repo> --json
git status --short
Check .specify/, .specify/feature.json, .specify/memory/constitution.md, specs/*/{spec.md,plan.md,tasks.md}, and .specify/extensions.yml. State any init/install/upgrade/fetch before running it.
Follow project command files when present; otherwise use this layout:
.specify/memory/constitution.mdspecs/<feature>/spec.md plus requirements checklist[NEEDS CLARIFICATION]plan.md, research.md, data-model.md, contracts/, quickstart.md, risk/evidence profiletasks.md with dependency order, requirement links, paths, verification, expected evidenceFor .specify/extensions.yml: read relevant before_*/after_*; skip disabled hooks; do not evaluate non-empty conditions yourself. Mandatory hooks surface EXECUTE_COMMAND: <command> and wait when supported. Optional hooks are reported unless requested.
spec.md: no implementation leakage unless template allows; sources/assumptions/ambiguity/review gaps visible for high-impact requirements.plan.md: decisions, rationale, alternatives, constitution gate, risk/evidence profile, traceability strategy.tasks.md: IDs, story labels when applicable, paths, dependencies, independent validation.evidence.md, validation.md, proof.md, or equivalent in quickstart.md/tasks.md.python3 <plugin>/scripts/sdd_traceability_check.py <repo> --json before implementation and before claiming done.Return active feature directory, changed Spec Kit artifacts, unresolved risks, validation commands/outcomes, evidence updates, and next phase.
npx claudepluginhub xopoko/plug-n-skills --plugin spec-driven-developmentProvides behavioral guidelines to reduce common LLM coding mistakes, focusing on simplicity, surgical changes, assumption surfacing, and verifiable success criteria.
Searches, retrieves, and installs Agent Skills from prompts.chat registry using MCP tools like search_skills and get_skill. Activates for finding skills, browsing catalogs, or extending Claude.
Creates, edits, and optimizes skills for Claude Code, including drafting, evaluating with test prompts, iterating on performance, and improving skill descriptions for better triggering accuracy.