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Claude Code plugin marketplace

Open-source plugins for Claude Code from Arhaty. canon runs spec-driven development with git guardrails. write is a humanizer skill that flags AI writing tells line by line.

2 plugins · MIT license · Arhaty/claude-plugins on GitHub (opens in a new tab)

How to install a plugin

  1. Add the marketplace, once.

    /plugin marketplace add arhaty/claude-plugins

  2. Install a plugin by name. Each plugin page lists its setup step and requirements.

    /plugin install <plugin>@arhaty

A marketplace is a catalog of plugins that Claude Code installs from. In a terminal, the same steps are claude plugin marketplace add arhaty/claude-plugins and claude plugin install <plugin>@arhaty. Add --scope project to share a plugin with everyone who works on the repository.

Plugins

Developmentv0.4.4

canon

Each change starts as a spec and ships in a pull request that also updates docs/canon/. Hooks refuse pushes and merges into your protected branches.

Productivityv0.2.0

write

write checks a draft for AI writing tells and quotes each line that has one, with the pattern it breaks. New drafts follow your project's style guide.

Update a plugin

claude plugin marketplace update arhaty
claude plugin update <plugin>@arhaty

Run these in a terminal. An open Claude Code session keeps the old version until you run /reload-plugins or restart it.

Auto-update is off for third-party marketplaces. To turn it on, run /plugin, open the Marketplaces tab, select arhaty and choose Enable auto-update.

Each plugin has its own version and changelog. Releases are tagged per plugin, for example canon-v0.1.0.

Frequently asked questions

What is a Claude Code plugin marketplace?

A catalog of plugins in a GitHub repository, listed in .claude-plugin/marketplace.json. Claude Code reads it once you add it, and installs each plugin from it by name.

Are these plugins free?

Yes, they are free to install. Each is under the MIT license.

How do I uninstall a plugin?

Run claude plugin uninstall <plugin>@arhaty in a terminal. To stop using the marketplace, run claude plugin marketplace remove arhaty.

Is this an official Anthropic marketplace?

No. Claude Code treats it as a third-party marketplace. Read a plugin's source on GitHub before you install it.

Contribute or report a problem

Read the contributing guide (opens in a new tab) before opening a pull request. To report a vulnerability, follow the security policy (opens in a new tab).