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Agent skill

Ab Extend Task

by ayoubben18 in ayoubben18/ab-method

Append new missions to an existing task. An agent skill from ayoubben18/ab-method.

MITAuto-check passed

Install Ab Extend Task

skills CLI
$ npx skills add ayoubben18/ab-method --skill ab-extend-task -a claude-code

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

GitHub CLI
$ gh skill install ayoubben18/ab-method ab-extend-task --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/ayoubben18/ab-method.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/ab-extend-task .claude/skills/ab-extend-task && 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
ab-extend-task
GitHub stars
192
Token cost
~340 tokens
SKILL.md length
167 words
Files
1
Skills in repo
26
Repo updated
First seen
Licence
MIT

At a glance

Append new missions to an existing task. An agent skill from ayoubben18/ab-method.

  • Works in 2 steps: The project root (the current working… → Only if the project has no such file (AB…
  • Requirements changed
  • Calls npx
  • Scope grew on a task already underway

What it does

Ab Extend Task is an agent skill from ayoubben18/ab-method. Append new missions to an existing task. Use when requirements changed or scope grew on a task already underway.

Its SKILL.md is about 340 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: A workflow system for Claude Code and Codex. It grills a problem into a domain-grounded plan, then either drives it through test-driven missions you review one at a time, or… The licence is MIT.

When your agent uses it

  • Requirements changed
  • Scope grew on a task already underway

Example prompts

  • “/ab-extend-task”

Requirements

  • Node.js

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

  1. The project root (the current working directory) first. If /.ab-method/... exists, use it. A project's own .ab-method/structure/index.yaml…
  2. Only if the project has no such file (AB Method installed as a plugin rather than with npx ab-method), read the bundled copy…

What it can do on your machine

Read from SKILL.md and the folder at commit 85946e3. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    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

Ab Extend Task loads about 340 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 167 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~340

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 passed

The automated check found no risky patterns in SKILL.md.

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 ayoubben18/ab-method at commit 85946e3, republished under its MIT licence (© ayoubben18). 167 words, ~340 tokens.

Download SKILL.mdSave it as .claude/skills/ab-extend-task/SKILL.md (or your agent's skills folder).
name
ab-extend-task
description
Append new missions to an existing task. Use when requirements changed or scope grew on a task already underway.

This skill runs the AB Method extend-task workflow.

Follow the workflow defined in .ab-method/core/extend-task.md exactly — it contains the full process, output format, and rules.

Before doing anything, check .ab-method/structure/index.yaml. It defines where this workflow reads from and writes to. Paths are user-configurable; never hardcode them.

Locating .ab-method/. Every .ab-method/... path — here and inside the workflow files — is resolved in this order:

  1. The project root (the current working directory) first. If <project>/.ab-method/... exists, use it. A project's own .ab-method/structure/index.yaml is how it customises its paths, so it always wins — check for it even when the bundled copy is right there.
  2. Only if the project has no such file (AB Method installed as a plugin rather than with npx ab-method), read the bundled copy: ../../../.ab-method/ relative to this SKILL.md.

The bundled copy is read-only reference material. Every path the index or a workflow names (docs/..., CONTEXT.md, UBIQUITOUS_LANGUAGE.md, ...) is relative to the project root — never to the folder the bundled files live in. Never write inside that folder.

© ayoubben18, 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 .agents/skills/ab-extend-task of ayoubben18/ab-method.

Open the folder on GitHubat commit 85946e3

Compare with similar skills

Ab Extend Task 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.

Ab Extend Task compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Ab Extend Task this skillayoubben18/ab-method192—~340Automated safety check: PassMIT
Requirementsrizsotto/Bear6.5k—~2kAutomated safety check: PassGPL-3.0
System Change Engineeringbytedance/deer-flow83k—~2.5kAutomated safety check: PassMIT
Make Changesremix-run/remix33k—~2.4kAutomated safety check: PassMIT
Orch Change Featureaffaan-m/ECC275k1 repos~420Automated safety check: PassMIT
Change Managementsickn33/agentic-awesome-skills47k2 repos~3.5kAutomated safety check: PassMIT

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  • Change Map

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  • Handoff

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  • Improve Codebase Architecture

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  • Reconcile Roadmap

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Questions about Ab Extend Task

What does Ab Extend Task do?

Append new missions to an existing task. An agent skill from ayoubben18/ab-method. Ab Extend Task is an agent skill from ayoubben18/ab-method. Append new missions to an existing task.

When should I use Ab Extend Task?

Ab Extend Task fits situations like: requirements changed; scope grew on a task already underway.

How do I install Ab Extend Task in Claude Code?

Run `npx skills add ayoubben18/ab-method --skill ab-extend-task -a claude-code`. Or copy the skill folder (.agents/skills/ab-extend-task in ayoubben18/ab-method) into .claude/skills/ab-extend-task in your project. Claude Code loads it when a task matches its description.

How do I install Ab Extend Task in Codex?

Run `npx skills add ayoubben18/ab-method --skill ab-extend-task -a codex`. Or copy the skill folder (.agents/skills/ab-extend-task in ayoubben18/ab-method) into .agents/skills/ab-extend-task in your project. Codex loads it when a task matches its description.

Can I use Ab Extend Task 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 ayoubben18/ab-method --skill ab-extend-task -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ab-extend-task, .gemini/skills/ab-extend-task, .github/skills/ab-extend-task and .opencode/skills/ab-extend-task in your project.

What does Ab Extend Task need to run?

Going by SKILL.md and its folder, Ab Extend Task needs the command-line tools its instructions call (npx). Our summary lists: Node.js.

Does Ab Extend Task access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Ab Extend Task safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Ab Extend Task use?

Ab Extend Task 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 Ab Extend Task use?

About 340 tokens (SKILL.md is roughly 1.4k 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 Ab Extend Task?

Skills that share tags, products or a category with Ab Extend Task: Requirements (rizsotto/Bear, 6.5k stars), System Change Engineering (bytedance/deer-flow, 83k stars), Make Changes (remix-run/remix, 33k stars) and Orch Change Feature (affaan-m/ECC, 275k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Ab Extend Task?

ayoubben18 (a GitHub user) maintains it in ayoubben18/ab-method, which has 192 GitHub stars. The repository holds 26 skills in this directory. The repository was last updated on October 1, 2026.

Source: ayoubben18/ab-method on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.