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Agent skill

Plugin Forge

by davila7 in davila7/claude-code-templates

Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration.

MITAuto-check passedAgent Workflows

Install Plugin Forge

skills CLI
$ npx skills add davila7/claude-code-templates --skill plugin-forge -a claude-code

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

GitHub CLI
$ gh skill install davila7/claude-code-templates 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/davila7/claude-code-templates.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cli-tool/components/skills/development/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
32k
Used in
2 other repos
Token cost
~1.3k tokens
SKILL.md length
259 words
Files
7 (incl. scripts, references)
Skills in repo
477
Repo updated
First seen
Licence
MIT

At a glance

Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration.

  • Works in 5 steps: Create Structure → Plugin Manifest → Register in Marketplace → …
  • Creating plugins for a marketplace
  • SKILL.md covers Purpose, When to Use, Getting Started and Development Workflow, plus 5 more sections
  • Runs Python scripts from its folder; calls git and python

What it does

Plugin Forge is an agent skill from davila7/claude-code-templates. Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration. Use when creating plugins for a marketplace, adding plugin components (commands, agents, hooks), bumping plugin versions, or working with plugin.json/marketplace.json manifests.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 8 other files, including scripts and reference files (for example `README.md`, `references/marketplace-schema.md` and `references/plugin-structure.md`).

It sits in Agent Workflows, covering Hooks and plugins. It works with Vue.js. The repository describes itself as: CLI tool for configuring and monitoring Claude Code. The licence is MIT.

When your agent uses it

  • Creating plugins for a marketplace
  • Adding plugin components (commands
  • Bumping plugin versions
  • Working with plugin.json/marketplace.json manifests

Example prompts

  • “/plugin-forge”

Requirements

  • Python 3

Workflow steps

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

  1. Create Structure
  2. Plugin Manifest
  3. Register in Marketplace
  4. Add Components
  5. Local Testing

What it can do on your machine

Read from SKILL.md and the folder at commit 4c82aba. 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

    Ships 2 files in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • git
    • python

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

  • Network

    No URLs in SKILL.md. Its commands use git, 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

Plugin Forge loads about 1.3k tokens when it runs, and up to ~3.6k if it reads all its reference files. Until then it costs about 73 tokens; SKILL.md has 259 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~73
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.6k

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); the scripts in this folder are not scanned.

SKILL.md

The full file from davila7/claude-code-templates at commit 4c82aba, republished under its MIT licence (© davila7). 259 words, ~1,268 tokens.

Download SKILL.mdSave it as .claude/skills/plugin-forge/SKILL.md (or your agent's skills folder). This skill also uses 6 other files; get the full folder from GitHub.
name
plugin-forge
description
Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration. Use when creating plugins for a marketplace, adding plugin components (commands, agents, hooks), bumping plugin versions, or working with plugin.json/marketplace.json manifests.

CC Plugin Forge

Purpose

Build and manage Claude Code plugins with correct structure, manifests, and marketplace integration. Includes workflows, automation scripts, and reference docs.

When to Use

  • Creating new plugins for a marketplace
  • Adding/modifying plugin components (commands, skills, agents, hooks)
  • Updating plugin versions
  • Working with plugin or marketplace manifests
  • Setting up local plugin testing
  • Publishing plugins

Getting Started

Create New Plugin

Use create_plugin.py to generate plugin structure:

bash
python scripts/create_plugin.py plugin-name \
  --marketplace-root /path/to/marketplace \
  --author-name "Your Name" \
  --author-email "your.email@example.com" \
  --description "Plugin description" \
  --keywords "keyword1,keyword2" \
  --category "productivity"

This automatically:

  • Creates plugin directory structure
  • Generates plugin.json manifest
  • Creates README template
  • Updates marketplace.json
Bump Version

Use bump_version.py to update versions in both manifests:

bash
python scripts/bump_version.py plugin-name major|minor|patch \
  --marketplace-root /path/to/marketplace

Semantic versioning:

  • major: Breaking changes (1.0.0 → 2.0.0)
  • minor: New features, refactoring (1.0.0 → 1.1.0)
  • patch: Bug fixes, docs (1.0.0 → 1.0.1)

Development Workflow

1. Create Structure

Manual approach (if not using script):

bash
mkdir -p plugins/plugin-name/.claude-plugin
mkdir -p plugins/plugin-name/commands
mkdir -p plugins/plugin-name/skills
2. Plugin Manifest

File: plugins/plugin-name/.claude-plugin/plugin.json

json
{
  "name": "plugin-name",
  "version": "0.1.0",
  "description": "Plugin description",
  "author": {
    "name": "Your Name",
    "email": "your.email@example.com"
  },
  "keywords": ["keyword1", "keyword2"]
}
3. Register in Marketplace

Update .claude-plugin/marketplace.json:

json
{
  "name": "plugin-name",
  "source": "./plugins/plugin-name",
  "description": "Plugin description",
  "version": "0.1.0",
  "keywords": ["keyword1", "keyword2"],
  "category": "productivity"
}
4. Add Components

Create in respective directories:

ComponentLocationFormat
Commandscommands/Markdown with frontmatter
Skillsskills/<name>/Directory with SKILL.md
Agentsagents/Markdown definitions
Hookshooks/hooks.jsonEvent handlers
MCP Servers.mcp.jsonExternal integrations
5. Local Testing
bash
# Add marketplace
/plugin marketplace add /path/to/marketplace-root

# Install plugin
/plugin install plugin-name@marketplace-name

# After changes: reinstall
/plugin uninstall plugin-name@marketplace-name
/plugin install plugin-name@marketplace-name

Plugin Patterns

Framework Plugin

For framework-specific guidance (React, Vue, etc.):

plugins/framework-name/
├── .claude-plugin/plugin.json
├── skills/
│   └── framework-name/
│       ├── SKILL.md
│       └── references/
├── commands/
│   └── prime/
│       ├── components.md
│       └── framework.md
└── README.md
Utility Plugin

For tools and commands:

plugins/utility-name/
├── .claude-plugin/plugin.json
├── commands/
│   ├── action1.md
│   └── action2.md
└── README.md
Domain Plugin

For domain-specific knowledge:

plugins/domain-name/
├── .claude-plugin/plugin.json
├── skills/
│   └── domain-name/
│       ├── SKILL.md
│       ├── references/
│       └── scripts/
└── README.md

Command Naming

Subdirectory-based namespacing with : separator:

  • commands/namespace/command.md → /namespace:command
  • commands/simple.md → /simple

Examples:

  • commands/prime/vue.md → /prime:vue
  • commands/docs/generate.md → /docs:generate

Version Management

Important: Update version in BOTH locations:

  1. plugins/<name>/.claude-plugin/plugin.json
  2. .claude-plugin/marketplace.json

Use bump_version.py to automate.

Git Commits

Use conventional commits:

bash
git commit -m "feat: add new plugin"
git commit -m "fix: correct plugin manifest"
git commit -m "docs: update plugin README"
git commit -m "feat!: breaking change"

Reference Docs

Detailed documentation included:

ReferenceContent
references/plugin-structure.mdDirectory structure, manifest schema, components
references/marketplace-schema.mdMarketplace format, plugin entries, distribution
references/workflows.mdStep-by-step workflows, patterns, publishing
Scripts
ScriptPurpose
scripts/create_plugin.pyScaffold new plugin
scripts/bump_version.pyUpdate versions

© davila7, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 6 other files (scripts, references) in cli-tool/components/skills/development/plugin-forge of davila7/claude-code-templates.

  • SKILL.md
  • README.md
  • references/marketplace-schema.md
  • references/plugin-structure.md
  • references/workflows.md
  • scripts/bump_version.py
  • scripts/create_plugin.py

Open the folder on GitHubat commit 4c82aba

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in davila7/claude-code-templates, which our catalogue first saw on October 7, 2026.

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 skilldavila7/claude-code-templates32k2 repos~1.3kAutomated safety check: PassMIT
Basercms5 Developmentbaserproject/basercms190—~1.1kAutomated safety check: NotesMIT
Basercms4 To 5 Upgradebaserproject/basercms190—~9.6kAutomated safety check: NotesMIT
MoviePilot Plugin Developerjxxghp/MoviePilot12k—~6.4kAutomated safety check: PassGPL-3.0
Tsh Writing HooksTheSoftwareHouse/copilot-collections284—~3kAutomated safety check: PassMIT
Hook Development for Claude Code Pluginsanthropics/claude-plugins-official37k11 repos~4.1kAutomated safety check: NotesApache-2.0

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Works with

Categories

Questions about Plugin Forge

What does Plugin Forge do?

Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration. Plugin Forge is an agent skill from davila7/claude-code-templates. Create and manage Claude Code plugins with proper structure, manifests, and marketplace integration.

When should I use Plugin Forge?

Plugin Forge fits situations like: creating plugins for a marketplace; adding plugin components (commands; bumping plugin versions; working with plugin.json/marketplace.json manifests.

How do I install Plugin Forge in Claude Code?

Run `npx skills add davila7/claude-code-templates --skill plugin-forge -a claude-code`. Or copy the skill folder (cli-tool/components/skills/development/plugin-forge in davila7/claude-code-templates) 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 davila7/claude-code-templates --skill plugin-forge -a codex`. Or copy the skill folder (cli-tool/components/skills/development/plugin-forge in davila7/claude-code-templates) 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 davila7/claude-code-templates --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 Python for the scripts in its folder and the command-line tools its instructions call (git and python). Our summary lists: Python 3.

Does Plugin Forge access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

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 1.3k tokens (SKILL.md is roughly 5.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.3k tokens, read only when the agent opens those files.

What are the alternatives to Plugin Forge?

Skills that share tags, products or a category with Plugin Forge: Basercms5 Development (baserproject/basercms, 190 stars), Basercms4 To 5 Upgrade (baserproject/basercms, 190 stars), MoviePilot Plugin Developer (jxxghp/MoviePilot, 12k stars) and Tsh Writing Hooks (TheSoftwareHouse/copilot-collections, 284 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Plugin Forge?

davila7 (a GitHub user) maintains it in davila7/claude-code-templates, which has 32,432 GitHub stars. The repository holds 477 skills in this directory. The repository was last updated on October 7, 2026.

Source: davila7/claude-code-templates on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.