From GSD Core
Manages phases in ROADMAP.md: add integer phases, insert decimal phases, remove and renumber, or edit existing phases.
How this skill is triggered — by the user, by Claude, or both
Slash command
/gsd-core:gsd-phase [--insert | --remove | --edit] <phase-name-or-number>[--insert | --remove | --edit] <phase-name-or-number>This skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
<objective>
Mode routing:
| Flag | Action | Workflow |
|---|---|---|
| (none) | Add new integer phase at end of milestone | add-phase |
| --insert | Insert decimal phase (e.g., 72.1) after specified phase | insert-phase |
| --remove | Remove future phase, renumber subsequent | remove-phase |
| --edit | Edit fields of existing phase in place | edit-phase |
<execution_context>
@/.claude/gsd-core/workflows/add-phase.md
@/.claude/gsd-core/workflows/insert-phase.md
@/.claude/gsd-core/workflows/remove-phase.md
@/.claude/gsd-core/workflows/edit-phase.md
</execution_context>
Parse the first token of $ARGUMENTS:
--insert: strip the flag, pass remainder (format: ) to insert-phase workflow--remove: strip the flag, pass remainder (phase number) to remove-phase workflow--edit: strip the flag, pass remainder (phase-number [--force]) to edit-phase workflowRoadmap and state are resolved in-workflow via init phase-op and targeted reads.
npx claudepluginhub open-gsd/gsd-core --plugin gsd-core3plugins reuse this skill
First indexed Jun 23, 2026
CRUD for phases in ROADMAP.md — add, insert, remove, or edit phases
Adds a new phase to the current milestone in a roadmap, automating directory creation, slug generation, and state tracking. Useful for structured project planning.
Adds a new phase to the end of the current milestone in a roadmap, handling phase numbering, directory creation, slug generation, and state tracking.