VS Code extension for spec-driven development — manage specs, workflows, and steering docs for AI CLI tools (Claude Code, Gemini CLI, Copilot CLI)
Latest release speckit-ext-v0.21.0 — SpecKit Companion spec-kit extension v0.21.0 · 26 Aug 2026
51 files for Claude Code, Codex, GitHub Copilot and OpenCode: speckit-analyze, speckit-checklist, speckit-clarify, speckit-constitution and 47 more — 1,531 tokens loaded in every session.
.github/copilot-instructions.md A 50 tok AGENTS.md A 52 tok CLAUDE.md A 1,429 tok .agents/skills/speckit-analyze/SKILL.md A 32 tok .agents/skills/speckit-checklist/SKILL.md A 19 tok .agents/skills/speckit-clarify/SKILL.md A 34 tok .agents/skills/speckit-constitution/SKILL.md A 27 tok .agents/skills/speckit-git-commit/SKILL.md A 18 tok .agents/skills/speckit-git-feature/SKILL.md A 16 tok .agents/skills/speckit-git-initialize/SKILL.md A 16 tok .agents/skills/speckit-git-remote/SKILL.md A 16 tok .agents/skills/speckit-git-validate/SKILL.md A 16 tok .agents/skills/speckit-implement/SKILL.md A 20 tok .agents/skills/speckit-plan/SKILL.md A 19 tok .agents/skills/speckit-specify/SKILL.md A 19 tok .agents/skills/speckit-tasks/SKILL.md A 24 tok .agents/skills/speckit-taskstoissues/SKILL.md A 28 tok .claude/skills/eval-speckit-extension/SKILL.md A 116 tok .claude/skills/feature-clip/SKILL.md A 49 tok .claude/skills/submit-catalog-update/SKILL.md A 114 tok .claude/commands/bench-capture.md A 15 tok .claude/commands/bench-prep.md A 10 tok .claude/commands/bench-run-all.md A 16 tok .claude/commands/bench-sync.md B 13 tok .claude/commands/fix-tickets.md A 49 tok .claude/commands/install-local.md A 15 tok .claude/commands/publish-both.md A 16 tok .claude/commands/publish-speckit-ext.md C 20 tok .claude/commands/publish.md A 7 tok .claude/commands/ship-ticket.md A 46 tok .claude/commands/ship.md A 14 tok .codex/prompts/speckit.analyze.md A 26 tok .codex/prompts/speckit.checklist.md A 13 tok .codex/prompts/speckit.clarify.md A 27 tok .codex/prompts/speckit.constitution.md A 21 tok .codex/prompts/speckit.implement.md A 14 tok .codex/prompts/speckit.plan.md A 14 tok .codex/prompts/speckit.specify.md A 13 tok .codex/prompts/speckit.tasks.md A 18 tok .codex/prompts/speckit.taskstoissues.md A 21 tok .github/prompts/speckit.git.commit.prompt.md A — .github/prompts/speckit.git.feature.prompt.md A — .github/prompts/speckit.git.initialize.prompt.md A — .github/prompts/speckit.git.remote.prompt.md A — .github/prompts/speckit.git.validate.prompt.md A — .github/prompts/README.md A — .github/prompts/plan.md A — .github/prompts/specify.md A — .github/prompts/tasks.md A — .claude/commands/bench-experiment.md B 15 tok .claude/commands/bench-wave.md A 15 tok These files are alfredoperez/speckit-companion's own configuration — they tell Claude Code, Codex, GitHub Copilot and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.