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Agent skill

Create Spec

by gittower in gittower/git-flow-next

Create a Codex-gated spec issue from a triaged report, concept, or idea

Custom licenceAuto-check: notesDevelopment

Install Create Spec

skills CLI
$ npx skills add gittower/git-flow-next --skill create-spec -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install gittower/git-flow-next create-spec --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/gittower/git-flow-next.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/create-spec .claude/skills/create-spec && rm -rf skills-src

Use ~/.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/

Facts

Skill name
create-spec
GitHub stars
458
Token cost
~1.4k tokens
SKILL.md length
694 words
Files
1
Skills in repo
25
Repo updated
First seen
Licence
Custom licence

At a glance

Create a Codex-gated spec issue from a triaged report, concept, or idea

  • Works in 7 steps: Gather Input → Research the Codebase → Draft the Spec → …
  • Development work in your project
  • SKILL.md covers Arguments and Instructions
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Create Spec is an agent skill from gittower/git-flow-next. Create a Codex-gated spec issue from a triaged report, concept, or idea

Its SKILL.md is about 1.4k 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 Development. It works with GitHub. The repository describes itself as: A modern reimplementation of git-flow in Go that offers greater flexibility while maintaining backward compatibility with the original git-flow and git-flow-avh.

When your agent uses it

  • Development work in your project

Example prompts

  • “/create-spec”

Requirements

  • Pre-approved tools (allowed-tools): Read, Grep, Glob, Write, Bash, Agent, mcp__github__get_issue, mcp__github__search_issues, mcp__github__create_issue, mcp__github__update_issue, mcp__github__add_issue_comment

Workflow steps

7 steps, taken from the step headings in SKILL.md.

  1. Gather Input
  2. Research the Codebase
  3. Draft the Spec
  4. Codex Gate
  5. Acceptance Gate
  6. Post to GitHub
  7. Report

What it can do on your machine

Read from SKILL.md and the folder at commit 00d1b4b. 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:

    • Read
    • Grep
    • Glob
    • Write
    • Bash
    • Agent
    • mcp__github__get_issue
    • mcp__github__search_issues
    • mcp__github__create_issue
    • mcp__github__update_issue

    …and 1 more on the same allowed-tools line.

    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

Create Spec loads about 1.4k tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 694 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k

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, Grep, Glob, Write, Bash, Agent, mcp__github__get_issue, mcp__github__search_issues, mcp__githu

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 694 words (~1,395 tokens).

“Turn an accepted bug report, feature request, concept, or idea into an implementation-ready spec issue per the Spec Issues section of ISSUE_GUIDELINES.md. The spec is drafted locally, reviewed by Codex, and only posted to GitHub after user acceptance. The spec…”

— opening of SKILL.md by gittower, Custom licence
name
create-spec
allowed-tools
Read, Grep, Glob, Write, Bash, Agent, mcp__github__get_issue, mcp__github__search_issues, mcp__github__create_issue, mcp__github__update_issue, mcp__github__add_issue_comment
argument-hint
<issue-number | description>

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/create-spec of gittower/git-flow-next.

Open the folder on GitHubat commit 00d1b4b

Compare with similar skills

Create Spec 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.

Create Spec compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Create Spec this skillgittower/git-flow-next458—~1.4kAutomated safety check: NotesCustom licence
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Greplooponyx-dot-app/onyx32k4 repos~3.3kAutomated safety check: PassMIT
Check PRonyx-dot-app/onyx32k2 repos~2.3kAutomated safety check: PassMIT
Setup Matt Pocock Skillsbestofjs/bestofjs3.1k20 repos~1.7kAutomated safety check: PassMIT
Contributor-First PR MergeHKUDS/OpenHarness16k1 repos~847Automated safety check: PassMIT

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More from gittower/git-flow-next

All 25 skills in this repo

  • GitHub Issue Analysis

    gittower/git-flow-next

    Analyzes a GitHub issue for the git-flow-next project and writes an analysis document under .ai/ that covers the affected code and proposes TODO comments.

    458 GitHub starsUsed in 1 repo~694 tokens
    Auto-check: notes

  • PR Review Feedback Handler

    gittower/git-flow-next

    Fetches review comments on a pull request, judges each one, writes the evaluation to a plan file and implements accepted changes, waiting for approval before anything public.

    458 GitHub stars~2.9k tokensUpdated 29 days ago
    Auto-check: notes

  • Stale PR Review Check

    gittower/git-flow-next

    Scans open pull requests against the project's review response window and reports which ones need action, read-only unless you approve a reminder.

    458 GitHub stars~549 tokensUpdated 29 days ago
    Auto-check: notes

  • Local Code Review

    gittower/git-flow-next

    Reviews local commits, branch diffs or pull requests against project guidelines and writes the result to local files, never posting it to GitHub.

    458 GitHub stars~1.9k tokensUpdated 29 days ago
    Auto-check: notes

  • Commit with Project Guidelines

    gittower/git-flow-next

    Creates a commit that follows the project's COMMIT_GUIDELINES.md, choosing the type by what the change does and verifying the result.

    458 GitHub stars~818 tokensUpdated 29 days ago
    Auto-check: notes

  • Test-First Implementation Plan

    gittower/git-flow-next

    Builds a two-phase implementation plan from a spec issue, analysis or concept, writing a detailed test plan first and the implementation outline second.

    458 GitHub stars~1.3k tokensUpdated 29 days ago
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Works with

Categories

Questions about Create Spec

What does Create Spec do?

Create a Codex-gated spec issue from a triaged report, concept, or idea. Create Spec is an agent skill from gittower/git-flow-next.

When should I use Create Spec?

Create Spec fits situations like: development work in your project.

How do I install Create Spec in Claude Code?

Run `npx skills add gittower/git-flow-next --skill create-spec -a claude-code`. Or copy the skill folder (.claude/skills/create-spec in gittower/git-flow-next) into .claude/skills/create-spec in your project. Claude Code loads it when a task matches its description.

How do I install Create Spec in Codex?

Run `npx skills add gittower/git-flow-next --skill create-spec -a codex`. Or copy the skill folder (.claude/skills/create-spec in gittower/git-flow-next) into .agents/skills/create-spec in your project. Codex loads it when a task matches its description.

Can I use Create Spec 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 gittower/git-flow-next --skill create-spec -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/create-spec, .gemini/skills/create-spec, .github/skills/create-spec and .opencode/skills/create-spec in your project.

What does Create Spec need to run?

SKILL.md names no scripts, command-line tools or credentials: Create Spec is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Grep, Glob, Write, Bash, Agent, mcp__github__get_issue, mcp__github__search_issues, mcp__github__create_issue, mcp__github__update_issue, mcp__github__add_issue_comment.

Does Create Spec 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 Create Spec 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 Create Spec use?

Create Spec has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Create Spec use?

About 1.4k tokens (SKILL.md is roughly 5.6k 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 Create Spec?

Skills that share tags, products or a category with Create Spec: PR Babysitter (openinterpreter/openinterpreter, 69k stars), Greploop (onyx-dot-app/onyx, 32k stars), Check PR (onyx-dot-app/onyx, 32k stars) and Setup Matt Pocock Skills (bestofjs/bestofjs, 3.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Create Spec?

gittower (a GitHub organization) maintains it in gittower/git-flow-next, which has 458 GitHub stars. The repository holds 25 skills in this directory. The repository was last updated on September 8, 2026.

Source: gittower/git-flow-next on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.