Sjnims Plugin Dev
- 11 repo stars
- sjnims/plugin-dev
sjnims-plugin-dev is a Claude Code plugin that bundles eight expert skills for developing hooks, MCP integrations, commands, and agents with validation.
About
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. 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 developers 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.
- 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
Sjnims Plugin Dev by the numbers
- Data as of Jul 7, 2026 (Skillselion catalog sync)
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| repo stars | ★ 11 |
|---|---|
| Repository | sjnims/plugin-dev ↗ |
What it does
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.
Who is it for?
Best when you're creating Claude Code plugins, skills, or MCP-backed marketplaces and want structured expert guidance.
Skip if: Teams only consuming third-party plugins with no plan to author commands, hooks, or MCP servers themselves.
What you get
After you add plugin-dev, Claude can walk you through plugin structure, integrations, and best-practice validation until you have a publishable marketplace extension.
- Structured Claude Code plugin with hooks, commands, and optional MCP servers
- Validation pass aligned with bundled best-practice skills
- Documented navigation and marketplace-ready packaging for your extension
By the numbers
- Catalog lists 1 marketplace plugin entry packaging the toolkit
- Description cites 8 expert skills for plugin development
- Repository sjnims/plugin-dev
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Authoring toolkit for Claude plugins, not a runtime MCP server or a single-feature integration skill.
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.