Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8253entries
★ starsA–Z name

claude-chrome-user-testing

15
@ncklrs

Claude Code plugin for persona-based user testing. Simulates Boomers, Millennials, Gen Z, and Gen Alpha users to find UX issues before real users do.

updated May 2026

claude-code-starter

15
@zbruhnke

Production-ready Claude Code configuration template with stack presets, security hooks, and automation tools

updated Apr 2026

claude-ctags

15
@DevonMorris

Claude Code plugin that auto-generates ctags index for efficient code navigation, reducing token usage by ~80%

updated May 2026

claude-engram

15
@20alexl

Persistent memory and session intelligence for AI coding assistants. Auto-tracks mistakes, decisions, and context via hooks. Mines your full session history for patterns, predictions, and cross-session search.

updated Jun 2026

codex-history-viewer

15
@HizTam

A VS Code extension to browse, search, tag, import/export, and manage local Codex CLI / Claude Code session history, then resume selected sessions directly in the related VS Code extension.

updated May 2026

mnemonic

15
@zircote

Persistent filesystem-based memory system for Claude Code. Pure MIF Level 3 compliant memory storage with YAML frontmatter, bi-temporal tracking, and proactive hooks. No dependencies - just markdown files and git.

updated Jun 2026

claude-qwen-tts

15
@HariFatherKR

Claude Code Plugin & Skills for Qwen TTS

updated May 2026

claude-docu-optimizer

15
@kojott

Claude Code plugin for optimizing CLAUDE.md and docs/ ecosystem. Token analysis, anti-pattern detection, semantic sync, project stage detection.

updated Jun 2026

tesseract-skills

15
@infrastellar-dev

Claude Code plugin marketplace for Tesseract architecture generation

updated Mar 2026

claude-code-sounds

15
@ryparker

Sound themes for Claude Code lifecycle hooks

updated Mar 2026

ai-skill-scanner

15
@suchithnarayan

AI-powered security scanner for Claude Code plugins and skills - LLM analysis, static rules, taint tracking, CI/PR integration, and interactive graph visualization.

updated Apr 2026

ts-dev-kit

15
@jgamaraalv

Claude Code plugin: 15 agents + 14 skills for TypeScript fullstack development

updated May 2026

claude-agent-sdk-laravel

15
@mohamed-ashraf-elsaed

Anthropic Claude Agent SDK for PHP & Laravel — build AI agents with tool use, sandboxing, MCP servers, subagents, hooks, and structured output via the Claude Code CLI

updated Apr 2026

cc-reaper

15
@theQuert

Three-layer automated cleanup for orphan Claude Code processes (subagents, MCP servers, plugins)

updated May 2026

founder-writing-toolkit

15
@earthwalker17

Local-first Gmail + LinkedIn writing copilot (MV3 extension) powered by Claude. Dev beta with one-command installer.

updated Mar 2026

claude-rolling-context

15
@NodeNestor

Rolling context compression for Claude Code — never hit the context wall. Auto-compresses old messages while keeping recent context verbatim. Zero config, zero latency. Works as a Claude Code plugin.

updated Jun 2026

claude-project-bootstrap

15
@twisker

A Claude Code plugin that bootstraps any new project with a production-grade AI-Human collaboration framework.

updated Mar 2026

ecotokens

15
@hansipie

Token optimizer for Claude Code Gemini CLI & Qwen Code — compresses shell outputs via PreToolUse hook, tracks USD savings in TUI dashboard

updated Jun 2026

figlets

15
@arashr

A Claude Code plugin for building production-quality Figma design system components.

updated Apr 2026

claude-skills

15
@sethdford

454 standards-grounded Claude Code skills for every PDLC role. 8 roles, 57 plugins, 173 commands. Grounded in SWEBOK, TOGAF, OWASP, ISTQB, NIST, AIPMM. Every skill includes LLM error mitigation anti-patterns.

updated May 2026

claude-certified-architect

15
@carolinacherry

Claude Code plugin for studying the Claude Certified Architect (Foundations) certification exam. Covers all 5 domains, 30 task statements, and 6 scenarios from the official Anthropic exam guide.

updated May 2026

nervous-marketplace

15
@nervous-net

Claude Code plugin marketplace by nervous-net

updated Apr 2026

codex-review

15
@boyand

Claude Code plugin for multi-round Codex reviews of plans and implementations.

updated Apr 2026

pact

15
@jonathanmr22

Programmatic Agent Constraint Toolkit (PACT): Governance infrastructure for AI coding agents. Claude Code plugin marketplace.

updated May 2026
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