speckit.git.feature

speckit.git.feature is a command for coding agents from arrrrny/zuraffa. It costs 9 tokens per session (1,606 once invoked), scanned A, original, MIT.

A Git command that creates and switches to a feature branch, using a number, timestamp, or exact name to identify it.

In plain words
What is it for?
Use it when starting work on a feature or specification in a Git project.
Why use it?
It removes the need to create branches and choose their names manually. It also keeps feature branches in a consistent format.

Command

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/arrrrny/zuraffa/speckit.git.feature
Clone the repo
git clone --depth 1 https://github.com/arrrrny/zuraffa

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for speckit.git.feature

README.md
[![agentmods](https://agentmods.dev/badge/commands/arrrrny/zuraffa/speckit.git.feature.svg)](https://agentmods.dev/commands/arrrrny/zuraffa/speckit.git.feature)
Your own site
<a href="https://agentmods.dev/commands/arrrrny/zuraffa/speckit.git.feature"><img src="https://agentmods.dev/badge/commands/arrrrny/zuraffa/speckit.git.feature.svg" alt="Measured on agentmods" height="20"></a>
Per session 9 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,606 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00009 $0.01606
Opus 5 $0.00005 $0.00803
Sonnet 5 $0.00002 $0.00321
Haiku 4.5 $0.00001 $0.00161

Measured yesterday against content hash ba9e49c5379c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

speckit.git.feature scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.specify/extensions/git/commands/speckit.git.feature.md · 121 lines

How it starts

The opening of the file, as written. The whole thing — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Feature Branch

Create and switch to a new git feature branch for the given specification. This command handles branch creation only — the spec directory and files are created by the core __SPECKIT_COMMAND_SPECIFY__ workflow.

User Input

$ARGUMENTS

You MUST consider the user input before proceeding (if not empty).

Environment Variable Override

If the user explicitly provided GIT_BRANCH_NAME (e.g., via environment variable, argument, or in their request), pass it through to the script by setting the GIT_BRANCH_NAME environment variable before invoking the script. When GIT_BRANCH_NAME is set:

  • The script uses the exact value as the branch name, bypassing all prefix/suffix generation
  • --short-name, --number, and --timestamp flags are ignored
  • FEATURE_NUM is extracted when the final path segment starts with a numeric or timestamp feature marker (for example 042-name, feat/042-name, or jdoe/app/042-name), otherwise set to the full branch name

Prerequisites

  • Verify Git is available by running git rev-parse --is-inside-work-tree 2>/dev/null
  • If Git is not available, warn the user and skip branch creation

Branch Numbering Mode

Determine the branch numbering strategy by checking configuration in this order:

  1. Check .specify/extensions/git/git-config.yml for branch_numbering value
  2. Check .specify/init-options.json for feature_numbering value (inherit from core)
  3. Check .specify/init-options.json for branch_numbering value (deprecated, backward compatibility — will be removed in a future release)
  4. Default to sequential if none of the above exist

Branch Name Template

Check .specify/extensions/git/git-config.yml for an optional branch_template value. If it is empty or missing, use the default branch shape {number}-{slug}. If it is set, {slug} must not appear before {number}, its final path segment must start with {number}-, and the script expands these tokens:

  • {author}: sanitized Git config author (user.name, falling back to the email local part)
  • {app}: sanitized Spec Kit init directory name
  • {number}: sequential number or timestamp
  • {slug}: generated short branch slug

Read the full file on GitHub · 121 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 121 lines · 9 tokens per session scan A ba9e49c5379c

Subscribe to this mod's changes

speckit.git.feature is a command published in the GitHub repository arrrrny/zuraffa (5 stars, last pushed today), licensed MIT. It adds 9 tokens to every session and 1,606 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.