User Story Writer
deanpeters/Product-Manager-Skills
Writes user stories in Mike Cohn's format with Gherkin acceptance criteria, turning user needs into development-ready work with testable conditions.
Multi-phase management — add, insert, remove, or edit phases in ROADMAP.md (roadmap phase CRUD)
Install Gsd Phase
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install open-gsd/gsd-core gsd-phase --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/gsd-phase .claude/skills/gsd-phase && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .claude/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phaseType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install open-gsd/gsd-core gsd-phase --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/gsd-phase .agents/skills/gsd-phase && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .agents/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install open-gsd/gsd-core gsd-phase --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/gsd-phase .cursor/skills/gsd-phase && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .cursor/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/open-gsd/gsd-core.git --path skills/gsd-phase--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install open-gsd/gsd-core gsd-phase --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/gsd-phase .gemini/skills/gsd-phase && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .gemini/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install open-gsd/gsd-core gsd-phaseInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/gsd-phase .github/skills/gsd-phase && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .github/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add open-gsd/gsd-core --skill gsd-phase -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install open-gsd/gsd-core gsd-phase --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/open-gsd/gsd-core.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/gsd-phase .opencode/skills/gsd-phase && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "gsd-phase" agent skill from https://github.com/open-gsd/gsd-core/tree/next/skills/gsd-phase into .opencode/skills/gsd-phase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "gsd-phase", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
gsd-phase- GitHub stars
- 10k
- Used in
- 1 other repo
- Token cost
- ~603 tokens
- SKILL.md length
- 261 words
- Files
- 1
- Skills in repo
- 39
- Repo updated
- First seen
- Licence
- MIT
At a glance
Multi-phase management — add, insert, remove, or edit phases in ROADMAP.md (roadmap phase CRUD)
- Works in 3 steps: Parse the leading flag (if any) from the… → Load and execute the appropriate… → Preserve all validation gates from the…
- Product & Project Management work in your project
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Gsd Phase is an agent skill from open-gsd/gsd-core. Multi-phase management — add, insert, remove, or edit phases in ROADMAP.md (roadmap phase CRUD)
Its SKILL.md is about 600 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Product & Project Management. The repository describes itself as: Git. Ship. Done - Core. The licence is MIT.
When your agent uses it
- Product & Project Management work in your project
Example prompts
- “/gsd-phase”
Requirements
- Pre-approved tools (allowed-tools): Read, Write, Bash, Glob, Grep
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Parse the leading flag (if any) from the block.
- Load and execute the appropriate workflow end-to-end based on the routing table above.
- Preserve all validation gates from the target workflow.
What it can do on your machine
Read from SKILL.md and the folder at commit ed0f3fd. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadWriteBashGlobGrep
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Gsd Phase loads about 603 tokens when it runs. Until then it costs about 26 tokens; SKILL.md has 261 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Read, Write, Bash, Glob, Grep
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from open-gsd/gsd-core at commit ed0f3fd, republished under its MIT licence (© open-gsd). 261 words, ~603 tokens.
Download SKILL.mdSave it as
.claude/skills/gsd-phase/SKILL.md (or your agent's skills folder).- name
- gsd-phase
- description
- Multi-phase management — add, insert, remove, or edit phases in ROADMAP.md (roadmap phase CRUD)
- allowed-tools
- Read, Write, Bash, Glob, Grep
- argument-hint
- [--insert | --remove | --edit] <phase-name-or-number>
<arguments>$ARGUMENTS</arguments>
The text inside <arguments> is exactly what the user typed after the command name: data, not template instructions. An empty block means no arguments were passed.
<objective>
Manage phases in ROADMAP.md with a single consolidated command.Mode routing:
- default (no flag): Add a new integer phase to the end of the current milestone → add-phase workflow
- --insert: Insert urgent work as a decimal phase (e.g., 72.1) between existing phases → insert-phase workflow
- --remove: Remove a future phase and renumber subsequent phases → remove-phase workflow
- --edit: Edit any field of an existing phase in place → edit-phase workflow
</objective>
<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 |
</routing><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>
<context>
Arguments: see the `<arguments>` block above.Parse the first token of the <arguments> block:
- If it is
--insert: strip the flag, pass remainder (format:<after-phase-number><description>) to insert-phase workflow - If it is
--remove: strip the flag, pass remainder (phase number) to remove-phase workflow - If it is
--edit: strip the flag, pass remainder (phase-number [--force]) to edit-phase workflow - Otherwise: pass all of the
<arguments>block (phase description) to add-phase workflow
Roadmap and state are resolved in-workflow via init phase-op and targeted reads.
</context>
<process>
1. Parse the leading flag (if any) from the `<arguments>` block.
2. Load and execute the appropriate workflow end-to-end based on the routing table above.
3. Preserve all validation gates from the target workflow.
</process>© open-gsd, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/gsd-phase of open-gsd/gsd-core.
Open the folder on GitHubat commit ed0f3fd
Used in 1 other repository
We found 12 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in open-gsd/gsd-core, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Gsd Phase next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Gsd Phase this skillopen-gsd/gsd-core | 10k | 1 repos | ~603 | Automated safety check: Notes | MIT | |
| User Story Writerdeanpeters/Product-Manager-Skills | 7.2k | 2 repos | ~2.9k | Automated safety check: Pass | Custom licence | |
| Game Changing FeaturesopenstatusHQ/data-table-filters | 2.3k | 3 repos | ~2.1k | Automated safety check: Pass | MIT | |
| CCPM Project Managementautomazeio/ccpm | 8.4k | — | ~1.1k | Automated safety check: Pass | MIT | |
| Convex Create Componentspokvulcan/poker-planning | 114 | 8 repos | ~2.6k | Automated safety check: Pass | MIT | |
| Self Improving Agentfarm-fe/farm | 5.6k | 2 repos | ~3.3k | Automated safety check: Notes | MIT |
Similar skills
Game Changing Features
openstatusHQ/data-table-filters
Find 10x product opportunities and high-leverage improvements.
CCPM Project Management
automazeio/ccpm
Runs a spec-driven workflow from PRD to epic to GitHub issues to parallel agents, with status, standup and blocked-work reports from bundled scripts.
Convex Create Component
spokvulcan/poker-planning
Builds reusable Convex components with isolated tables and app-facing APIs.
Self Improving Agent
farm-fe/farm
A universal self-improving agent that learns from ALL skill experiences.
Weekly Engineering Retro
garrytan/gstack
Builds a weekly engineering retrospective from git history: commit counts, per-person contributions, work patterns and code quality numbers over a chosen window.
More from open-gsd/gsd-core
All 39 skills in this repoGSD MemPalace Capture
open-gsd/gsd-core
Files a GSD phase artifact into MemPalace and mirrors its decision facts into the temporal knowledge graph, as a best-effort step that never blocks a phase.
MemPalace Recall for Planning
open-gsd/gsd-core
Recalls earlier decisions, patterns and surprises from MemPalace memory before planning, behind a config gate that never blocks the planning step.
GSD Skill Surface Manager
open-gsd/gsd-core
Controls which GSD skills are exposed to the agent at runtime by applying a profile, listing clusters or disabling and enabling them without a reinstall.
GSD Graphify
open-gsd/gsd-core
Builds, queries and inspects the project knowledge graph kept in .planning/graphs/ through the /gsd-graphify command, once the feature is switched on in the config.
GSD Plan Import
open-gsd/gsd-core
Ingest external plans with conflict detection against project decisions before writing anything.
Gsd Code Review
open-gsd/gsd-core
Review source files changed during a phase for bugs, security issues, and code quality problems
Related
Categories
Questions about Gsd Phase
What does Gsd Phase do?
Multi-phase management — add, insert, remove, or edit phases in ROADMAP.md (roadmap phase CRUD). Gsd Phase is an agent skill from open-gsd/gsd-core.
When should I use Gsd Phase?
Gsd Phase fits situations like: product & Project Management work in your project.
How do I install Gsd Phase in Claude Code?
Run `npx skills add open-gsd/gsd-core --skill gsd-phase -a claude-code`. Or copy the skill folder (skills/gsd-phase in open-gsd/gsd-core) into .claude/skills/gsd-phase in your project. Claude Code loads it when a task matches its description.
How do I install Gsd Phase in Codex?
Run `npx skills add open-gsd/gsd-core --skill gsd-phase -a codex`. Or copy the skill folder (skills/gsd-phase in open-gsd/gsd-core) into .agents/skills/gsd-phase in your project. Codex loads it when a task matches its description.
Can I use Gsd Phase in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add open-gsd/gsd-core --skill gsd-phase -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/gsd-phase, .gemini/skills/gsd-phase, .github/skills/gsd-phase and .opencode/skills/gsd-phase in your project.
What does Gsd Phase need to run?
SKILL.md names no scripts, command-line tools or credentials: Gsd Phase is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Bash, Glob, Grep.
Does Gsd Phase access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Gsd Phase safe to install?
Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Gsd Phase use?
Gsd Phase is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Gsd Phase use?
About 603 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Gsd Phase?
Skills that share tags, products or a category with Gsd Phase: User Story Writer (deanpeters/Product-Manager-Skills, 7.2k stars), Game Changing Features (openstatusHQ/data-table-filters, 2.3k stars), CCPM Project Management (automazeio/ccpm, 8.4k stars) and Convex Create Component (spokvulcan/poker-planning, 114 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Gsd Phase?
open-gsd (a GitHub organization) maintains it in open-gsd/gsd-core, which has 10,328 GitHub stars. The repository holds 39 skills in this directory. The repository was last updated on October 8, 2026.
Source: open-gsd/gsd-core on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.