Sjnims Plugin Dev
sjnims-plugin-dev is a Claude Code plugin for the Build phase that bundles eight expert skills for developing hooks, MCP integrations, commands, and agents with validation.
by sjnims · github.com/sjnims/plugin-dev
Install this toolkit when you are authoring or shipping your own Claude Code plugins and need guided skills for hooks, MCP, commands, agents, and validation.
Add it to Claude Code
Install the plugin in Claude Code. One command, paste-ready.
/plugin install sjnims-plugin-dev@sjnims/plugin-devBuilt to be called by your agent
Skillselion is itself an MCP server. Your agent can pull this entry and a paste-ready install config straight from the API - no copy-paste.
Retrieve this entry with skillselion.get_details("plugin:sjnims/plugin-dev") and the paste-ready config with skillselion.get_install_config("plugin:sjnims/plugin-dev").
What it does
sjnims-plugin-dev is a Claude Code marketplace plugin that packages a full toolkit for people who build plugins—not just use them. The catalog description promises eight expert skills spanning hooks, MCP server integration, custom commands, agent definitions, and best practices, which makes it a natural fit for Build agent-tooling while also helping you validate scope early and review quality before publish. Solo makers monetizing skills, shipping internal agent extensions, or contributing to community marketplaces install it to keep Claude-specific conventions (navigation, validation, server wiring) in one guided bundle instead of scattered blog posts. The repo positions itself as comprehensive plugin development with AI-assisted workflows, so expect opinionated checklists rather than a single narrow integration. Intermediate complexity fits builders who already ship software and understand JSON manifests, repo layout, and basic MCP concepts but want Claude Code–native guardrails. After install, you work toward a shippable plugin artifact with clearer command, hook, and MCP boundaries.
Highlights
- Eight expert skills covering Claude Code plugin development end to end
- Topics include hooks, MCP integration, slash commands, subagents, and marketplace navigation
- Single marketplace plugin entry that acts as a comprehensive plugin-dev toolkit
- Emphasizes AI-assisted creation, validation, and best practices for extensions
- Aimed at builders publishing skills to Claude marketplaces rather than only consuming them
Why builders use it
Publishing a Claude Code plugin means guessing manifest layout, MCP wiring, and hook patterns without a single guided playbook in the agent.
After you add plugin-dev, Claude can walk you through plugin structure, integrations, and best-practice validation until you have a publishable marketplace extension.
At a glance
- Type - Plugin in Development Tools.
- Adoption - 0 installs, 11 stars, 0 votes.
FAQ
Who is sjnims-plugin-dev for?
It is for Claude Code users building their own plugins, skills, hooks, or MCP integrations who want eight bundled expert development guides.
When should I use sjnims-plugin-dev?
Use it when you are designing, implementing, or validating a Claude Code marketplace plugin before sharing it publicly or with a team.
How do I add sjnims-plugin-dev to my agent?
Install the sjnims/plugin-dev marketplace entry in Claude Code, open the bundled skills, and follow them while editing your plugin repo and manifest files.
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