anthropics / claude-plugins-official

Anthropic-managed marketplace directory of curated plugins for Claude Code, split into internal and external plugin folders.

Graphify-Labs / graphify

Builds a queryable knowledge graph from a codebase and its docs, PDFs, and configs, driven by a /graphify skill for AI coding assistants.

HKUDS / CLI-Anything

Toolkit that generates agent-usable command-line interfaces for existing software, plus a hub for installing community-built CLIs.

Alishahryar1 / free-claude-code

A local proxy that lets Claude Code, Codex, OpenCode and other coding agents run on free or alternative model providers.

sickn33 / agentic-awesome-skills

Local CLI, MCP server, and catalog for searching, selecting, validating, and previewing installs of 2,700+ reusable SKILL.md agent playbooks.

AgriciDaniel / claude-seo

Claude Code plugin that runs parallel SEO audits covering technical SEO, E-E-A-T, schema, GEO, and agent readiness.

superdesigndev / treg

A registry and proxy that gives agents one base URL and token to call a catalog of third-party tool endpoints, billed per call.