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Agent skill

Factory

by owainlewis in owainlewis/blueprint

Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass.

MITAuto-check passedDevelopment

Install Factory

skills CLI
$ npx skills add owainlewis/blueprint --skill factory -a claude-code

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

GitHub CLI
$ gh skill install owainlewis/blueprint factory --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/owainlewis/blueprint.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/factory .claude/skills/factory && 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
factory
GitHub stars
412
Token cost
~343 tokens
SKILL.md length
161 words
Files
1
Skills in repo
11
Repo updated
First seen
Licence
MIT

At a glance

Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass.

  • Works in 4 steps: Read the source and repository… → Follow /task-to-pr, including tests,… → Use its merge gates. If a required… → …
  • Development work in your project
  • SKILL.md covers Process and Return
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Factory is an agent skill from owainlewis/blueprint. Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass. Explicit invocation grants merge authority for the supplied work.

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.

It sits in Development. The repository describes itself as: The best agent skills in the world for software development. The licence is MIT.

When your agent uses it

  • Development work in your project

Example prompts

  • “Use the factory skill to deliver a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass”
  • “/factory”

Workflow steps

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

  1. Read the source and repository instructions. The spec is the ticket; reuse it rather than creating separate product and technical specs.
  2. Follow /task-to-pr, including tests, fresh independent review, CI, and the full repair loop. Pass the scoped merge authority when it…
  3. Use its merge gates. If a required approval, decision, or check is unavailable, report the blocker and leave the PR open. Never bypass a…
  4. Confirm the merge on GitHub and update the original issue when one exists. Follow /task-to-pr worktree cleanup rules.

What it can do on your machine

Read from SKILL.md and the folder at commit 1d74745. 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

    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

Factory loads about 343 tokens when it runs. Until then it costs about 48 tokens; SKILL.md has 161 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~48
When it runs · the whole SKILL.md, loaded when a task matches
~343

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 owainlewis/blueprint at commit 1d74745, republished under its MIT licence (© owainlewis). 161 words, ~343 tokens.

Download SKILL.mdSave it as .claude/skills/factory/SKILL.md (or your agent's skills folder).
name
factory
description
Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass. Explicit invocation grants merge authority for the supplied work.
user-invocable
true
argument-hint
<spec, task, or GitHub issue>

Factory

Deliver the supplied work through a verified merge.

Explicitly invoking /factory authorizes merging only the supplied work after all gates pass. Automatic skill selection does not grant merge authority; leave the PR open unless the user explicitly authorizes merging. Deployment and release publication require separate authority.

Process

  1. Read the source and repository instructions. The spec is the ticket; reuse it rather than creating separate product and technical specs.
  2. Follow /task-to-pr, including tests, fresh independent review, CI, and the full repair loop. Pass the scoped merge authority when it exists. Keep the same quality standard.
  3. Use its merge gates. If a required approval, decision, or check is unavailable, report the blocker and leave the PR open. Never bypass a gate to finish unattended work.
  4. Confirm the merge on GitHub and update the original issue when one exists. Follow /task-to-pr worktree cleanup rules.

Return

Report the merged PR and proof, or the open PR and exact merge blocker.

© owainlewis, 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/factory of owainlewis/blueprint.

Open the folder on GitHubat commit 1d74745

Compare with similar skills

Factory 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.

Factory compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Factory this skillowainlewis/blueprint412—~343Automated safety check: PassMIT
Vercel Composition Patternssupabase/supabase111k59 repos~726Automated safety check: PassMIT
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
Typescript Advanced Typesrolling-scopes/rsschool-app10k25 repos~4.2kAutomated safety check: PassMPL-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT

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  • Architecture

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Categories

Questions about Factory

What does Factory do?

Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass. Factory is an agent skill from owainlewis/blueprint. Delivers a spec or decided task through the task-to-pr workflow and merges after all quality and approval gates pass.

When should I use Factory?

Factory fits situations like: development work in your project.

How do I install Factory in Claude Code?

Run `npx skills add owainlewis/blueprint --skill factory -a claude-code`. Or copy the skill folder (skills/factory in owainlewis/blueprint) into .claude/skills/factory in your project. Claude Code loads it when a task matches its description.

How do I install Factory in Codex?

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

Can I use Factory 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 owainlewis/blueprint --skill factory -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/factory, .gemini/skills/factory, .github/skills/factory and .opencode/skills/factory in your project.

What does Factory need to run?

SKILL.md names no scripts, command-line tools or credentials: Factory is instructions for the agent only.

Does Factory 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 Factory 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 Factory use?

Factory 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 Factory use?

About 343 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 Factory?

Skills that share tags, products or a category with Factory: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 296k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Factory?

owainlewis (a GitHub user) maintains it in owainlewis/blueprint, which has 412 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on October 6, 2026.

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