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comet-build

Creates implementation plans and executes tasks for Comet workflow build phases.

Updated Aug 5, 2026
Search Tags:#tdd#code review#implementation planning#workflow orchestration#git worktree#task execution#openspec
One-click install
npx skills add https://github.com/JhonMA82/api-starter --skill comet-build-jhonma82
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: comet-build
Source: https://github.com/JhonMA82/api-starter/tree/main/.opencode/skills/comet-build
Command: npx skills add https://github.com/JhonMA82/api-starter --skill comet-build-jhonma82

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve? Coordinating the implementation phase of a structured change workflow is error-prone: plans get lost, tasks are re-executed after interruptions, and configuration choices like branch isolation or TDD mode are applied inconsistently. This Skill orchestrates the Comet build phase so planning, execution, and state tracking follow a verifiable, resumable process. ## Core Features & Use Cases - Plan Creation via Subagent: Offloads implementation plan generation to a subagent using the Superpowers writing-plans skill, recording the plan path and base git ref in Comet state. - Joint Workflow Configuration: Collects workspace isolation (current branch, new branch, or worktree), execution method (subagent-driven-development or executing-plans), TDD mode, and code review mode in a single user decision point. - Resumable Execution: Supports idempotent recovery after context compaction or interruption by parsing tasks.md checkboxes and resuming from the first unchecked task. - Use Case: A developer finishes a design doc for a new feature, invokes /comet-build, confirms branch isolation and TDD mode, and the Skill drives task-by-task implementation with per-task commits until the build guard transitions the change to the verify phase. ## Quick Start Invoke /comet-build after the design phase completes to create the implementation plan and execute all tasks for the active change.

Frequently Asked Questions about comet-build

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I resume an interrupted Comet build phase?▼

Run the recovery check in comet/reference/context-recovery.md, then re-run comet state check for the build phase. The Skill parses tasks.md checkboxes in document order and resumes from the first unchecked task without re-committing completed work.

How do I choose between subagent-driven-development and executing-plans?▼

Choose subagent-driven-development when there are three or more independent tasks or high complexity, since each task runs in an isolated implementer subagent. Choose executing-plans for two or fewer simple tasks without cross-module dependencies or for hotfix paths.

Can I run the build phase on my current git branch?▼

Yes, select the current isolation option in the Step 2 joint decision and the Skill binds the current branch via comet state set isolation current. It must be explicitly chosen by the user and is never applied as a silent default.

Why does the build to verify guard fail?▼

The guard fails when required state fields are unset: isolation, build_mode, tdd_mode, or review_mode. It also fails if build_mode is subagent-driven-development without subagent_dispatch confirmed, or if build_mode is direct without an explicit direct_override.

What happens when the spec is incomplete during implementation?▼

Small gaps are handled by directly editing the delta spec and appending tasks. Medium or large changes pause for user confirmation, and if new tasks exceed 50 percent of the original count, the user decides whether to split into a new change via /comet-open.

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