API Development Pack — Development skill for Claude Code

Claude Code Skills & Plugins Hub

[](000-docs/247-OD-CHNG-changelog.md) [](https://www.npmjs.com/package/@intentsolutionsio/ccpi) [](000-docs/247-OD-CHNG-changelog.md) [](https://github.com/jeremylongshore/claude-code-plugins-plus-skills) [](tutorials/skills/05-skill-validation.ipynb) [](tutorials/skills/02-skill-anatomy.ipynb) [](000-docs/185-MS-INDX-tutorials.md) [](https://colab.research.google.com/github/jeremylongshore/claude-code-plugins-plus-skills/blob/main/tutorials/) [](https://github.com/jeremylongshore/claude-code-plugins-plus-skills) [](https://www.anthropic.com/) [](https://cloud.google.com/) [](https://buymeacoffee.com/jeremylongshore) [](https://github.com/sponsors/jeremylongshore)

**The largest open-source marketplace for Claude Code plugins and agent skills.** 347 plugins, 1,900+ skills, 69 community contributions — validated, graded, and ready to install.

pnpm add -g @intentsolutionsio/ccpi    # Install the CLI
ccpi install devops-automation-pack     # Install any plugin

Or use Claude's built-in command:

/plugin marketplace add jeremylongshore/claude-code-plugins

**[Browse the marketplace](https://tonsofskills.com)** | **[Explore plugins](https://tonsofskills.com/explore)** | **[Download bundles](https://tonsofskills.com/cowork)**

**Killer Skill of the Week** — Every week we scour GitHub for the most impressive Claude Code skills and spotlight one that's popping. Sign up at [tonsofskills.com](https://tonsofskills.com) and we'll email you the pick — no searching required.

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What Changed: Claude Code in 2026

Anthropic shipped several features since plugins launched in October 2025 that change how developers extend Claude Code:

• Agent Skills (SKILL.md) replaced static plugins as the primary extension point. Skills auto-activate based on conversation context — no slash commands needed. This repo now contains 1,900+ validated skills across 22 categories.

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