Packs for Software engineers

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): helps build agents with the Claude Agent SDK.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): maintains CLAUDE.md project instruction files.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): helps migrate code to current language and library versions.

First-party Claude Code plugin from the official marketplace that reviews a diff or PR for correctness bugs at a chosen effort level.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): simplifies and cleans up changed code without altering behaviour.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): commands for writing commits and preparing pushes.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): guided feature development from requirements to implementation.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): Go (gopls) language-server integration.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): creates Claude Code hooks from described automation rules.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): scaffolds and develops MCP servers.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): scaffolds and develops Claude Code plugins.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): a toolkit of pull-request review commands and agents.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): Python (Pyright) language-server integration for code navigation and diagnostics.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): Rust (rust-analyzer) language-server integration.

First-party Claude Code plugin that adds security guidance while coding; part of the official plugin marketplace.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository: reference for building on the Claude API and SDKs (models, tool use, streaming, caching).

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository with design guidance for building polished front-end interfaces.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository that guides an agent through building an MCP server with tests and documentation.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository for creating, improving and evaluating other Agent Skills.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository for generating consistent visual themes (colours, type) for generated interfaces and documents.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository for building self-contained web artifacts (HTML, React) with a consistent structure.

Open-source Agent Skill (Apache-2.0) from Anthropic's skills repository for driving and testing a web application in a browser from an agent session.

First-party Claude Code plugin from the official plugin marketplace (anthropics/claude-plugins-official): TypeScript language-server integration for code navigation and diagnostics.

Cloudflare's product-specific MCP servers (Apache-2.0) for Workers, observability, DNS and other Cloudflare products, usable from any MCP client with a Cloudflare account.

GitHub's official MCP server (MIT) giving agents tools over repositories, issues, pull requests and actions through the GitHub API.

Reference and test MCP server maintained in the official modelcontextprotocol/servers repository that exercises prompts, resources and tools; useful for testing MCP clients.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: fetches web content and converts it for the model.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: file operations with configurable access controls.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: tools to read, search and manipulate Git repositories.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: knowledge-graph based persistent memory for an agent.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: structured, revisable problem-solving through thought sequences.

Reference MCP server maintained in the official modelcontextprotocol/servers repository: current time and timezone conversion tools.

Official Playwright MCP server (Apache-2.0) that lets an agent drive a real browser through structured accessibility snapshots for testing and automation.

Official Supabase MCP server (Apache-2.0) connecting AI assistants to Supabase projects: schema, SQL, migrations and project management.

MCP server (MIT) that serves up-to-date, version-specific library documentation to coding agents so generated code matches current APIs. Hosted service with free and paid tiers.