Agent skill

Plugin Forge

by s0912758806p in s0912758806p/agentic-sop-to-work

A skill your agent uses when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants…

MITAuto-check passedDevelopment

Install Plugin Forge

skills CLI
$ npx skills add s0912758806p/agentic-sop-to-work --skill plugin-forge -a claude-code

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

GitHub CLI
$ gh skill install s0912758806p/agentic-sop-to-work plugin-forge --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/s0912758806p/agentic-sop-to-work.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/plugin-forge/skills/plugin-forge .claude/skills/plugin-forge && 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
plugin-forge
GitHub stars
209
Token cost
~242 tokens
SKILL.md length
65 words
Files
1
Skills in repo
11
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants…

  • Linting a Claude Code plugin — generate a grammar-conformant plugin skeleton
  • SKILL.md covers Lint and Scaffold
  • Calls python3
  • Validate a plugin / whole marketplace against house invariants (manifest

What it does

Plugin Forge is an agent skill from s0912758806p/agentic-sop-to-work. Use when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants (manifest, frontmatter, stdlib-only, hook protocol, test harness). | 要新建 / scaffold 一個 Claude Code plugin,或 lint 既有 plugin / 整個 marketplace 是否符合房規時使用。

Its SKILL.md is about 240 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, covering Hooks and plugins, Linting and formatting and Project scaffolding. It works with Python. The repository describes itself as: Turn human SOPs into deterministic, gated agentic workflows — a Claude Code plugin. The licence is MIT.

When your agent uses it

  • Linting a Claude Code plugin — generate a grammar-conformant plugin skeleton
  • Validate a plugin / whole marketplace against house invariants (manifest

Example prompts

  • “/plugin-forge”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 246d966. 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:

    • python3

    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

Plugin Forge loads about 242 tokens when it runs. Until then it costs about 86 tokens; SKILL.md has 65 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~86
When it runs · the whole SKILL.md, loaded when a task matches
~242

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 s0912758806p/agentic-sop-to-work at commit 246d966, republished under its MIT licence (© s0912758806p). 65 words, ~242 tokens.

Download SKILL.mdSave it as .claude/skills/plugin-forge/SKILL.md (or your agent's skills folder).
name
plugin-forge
description
Use when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants (manifest, frontmatter, stdlib-only, hook protocol, test harness). | 要新建 / scaffold 一個 Claude Code plugin,或 lint 既有 plugin / 整個 marketplace 是否符合房規時使用。

plugin-forge — lint + scaffold Claude Code plugins

Lint

  • One plugin: python3 plugins/plugin-forge/pluginforge/lint.py <plugin-dir>
  • Whole marketplace: python3 plugins/plugin-forge/pluginforge/lint.py --all --strict
  • --strict adds house invariants (stdlib-only, verify.py, test_no_third_party). Exits 1 on any HARD.

Scaffold

  • python3 plugins/plugin-forge/pluginforge/scaffold.py <name> → a skeleton that passes lint --strict.
  • Then add it to marketplace.json + CI and flesh out the TODOs.

The lint report is a DRAFT; a human decides. HARD = fails CI; SOFT = advisory.

© s0912758806p, 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 plugins/plugin-forge/skills/plugin-forge of s0912758806p/agentic-sop-to-work.

Open the folder on GitHubat commit 246d966

Compare with similar skills

Plugin Forge 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.

Plugin Forge compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Plugin Forge this skills0912758806p/agentic-sop-to-work209—~242Automated safety check: PassMIT
Modern Python ToolchainXiaomiMiMo/MiMo-Code14k—~1.5kAutomated safety check: NotesMIT
MoviePilot Plugin Developerjxxghp/MoviePilot12k—~6.4kAutomated safety check: PassGPL-3.0
Modern Python Toolingtrailofbits/skills7.4k—~2.5kAutomated safety check: PassCC-BY-SA-4.0
Python Pep Authorpproenca/dot-skills214—~2.1kAutomated safety check: PassMIT
Scaffold PythonSpecterOps/skills702—~664Automated safety check: NotesApache-2.0

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Works with

Categories

Questions about Plugin Forge

What does Plugin Forge do?

A skill your agent uses when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants…. Plugin Forge is an agent skill from s0912758806p/agentic-sop-to-work. Use when creating, scaffolding, or linting a Claude Code plugin — generate a grammar-conformant plugin skeleton, or validate a plugin / whole marketplace against house invariants (manifest, frontmatter, stdlib-only, hook protocol, test harness).

When should I use Plugin Forge?

Plugin Forge fits situations like: linting a Claude Code plugin — generate a grammar-conformant plugin skeleton; validate a plugin / whole marketplace against house invariants (manifest.

How do I install Plugin Forge in Claude Code?

Run `npx skills add s0912758806p/agentic-sop-to-work --skill plugin-forge -a claude-code`. Or copy the skill folder (plugins/plugin-forge/skills/plugin-forge in s0912758806p/agentic-sop-to-work) into .claude/skills/plugin-forge in your project. Claude Code loads it when a task matches its description.

How do I install Plugin Forge in Codex?

Run `npx skills add s0912758806p/agentic-sop-to-work --skill plugin-forge -a codex`. Or copy the skill folder (plugins/plugin-forge/skills/plugin-forge in s0912758806p/agentic-sop-to-work) into .agents/skills/plugin-forge in your project. Codex loads it when a task matches its description.

Can I use Plugin Forge 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 s0912758806p/agentic-sop-to-work --skill plugin-forge -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/plugin-forge, .gemini/skills/plugin-forge, .github/skills/plugin-forge and .opencode/skills/plugin-forge in your project.

What does Plugin Forge need to run?

Going by SKILL.md and its folder, Plugin Forge needs the command-line tools its instructions call (python3). Our summary lists: Python 3.

Does Plugin Forge 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 Plugin Forge 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 Plugin Forge use?

Plugin Forge 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 Plugin Forge use?

About 242 tokens (SKILL.md is roughly 968 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 Plugin Forge?

Skills that share tags, products or a category with Plugin Forge: Modern Python Toolchain (XiaomiMiMo/MiMo-Code, 14k stars), MoviePilot Plugin Developer (jxxghp/MoviePilot, 12k stars), Modern Python Tooling (trailofbits/skills, 7.4k stars) and Python Pep Author (pproenca/dot-skills, 214 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Plugin Forge?

s0912758806p (a GitHub user) maintains it in s0912758806p/agentic-sop-to-work, which has 209 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on September 8, 2026.

Source: s0912758806p/agentic-sop-to-work on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.