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

8241entries
★ starsA–Z name

agentskit

15
@AgentsKit-io

The complete toolkit for building AI agents in JavaScript. Lightweight core, React & Terminal UIs, autonomous runtime, tools, skills, memory, RAG and observability. Plug-and-play from chat UI to full agents.

updated Jul 2026

phaser4-gamedev

15
@Yakoub-ai

Claude Code plugin for Phaser 4 game development — 4 agents + 6 skills encoding deep Phaser 4 API knowledge

updated Jul 2026

bigquery-expert

15
@justvinhhere

BigQuery Skills - Claude Code plugin that makes Claude a BigQuery expert. 5 skills covering query optimization, SQL generation, schema design, cost optimization, and BigQuery-specific features. Detects 11 anti-patterns, generates optimized SQL, designs schemas, and estimates costs.

updated May 2026

scaffolding

15
@komluk

Spec-driven multi-agent orchestration plugin for Claude Code — 13 agents, 35 skills, per-phase model tiers, opt-in lifecycle hooks, and optional cross-device semantic memory.

updated Jul 2026

cmmc-advisor

15
@LV-262

CMMC 2.0 compliance advisor as a Claude Code skill. All 3 levels, 14 domains, 110 practices; CUI scoping, SSP + POA&M; modern IT mapping for cloud, productivity, AI services, endpoints; contractor profiles and anti-patterns. Built from public DoD and NIST sources.

updated Jul 2026

council-review

15
@ngmeyer

Claude Code skill: Run decisions, code, and plans through a council of 5 AI advisors with anonymous peer review. Based on Karpathy's LLM Council.

updated Jul 2026

claude-code-session

15
@madeby10am

Live VS Code sidebar for Claude Code — animated pixel-art robot, per-session dashboards, pace-based usage meters, token-rate chart, git + skills + MCP browsers. Auto-matches your VS Code theme.

updated Jul 2026

lipnardo

15
@AgriciDaniel

HeyGen avatar video generation skill for Claude Code. Batch, templates, translation, photo avatars, TTS. Stdlib-only Python.

updated Jun 2026

overleaf-sync-now

15
@hanlulong

Stops Claude Code and Codex CLI from silently overwriting your Overleaf web edits with a stale local Dropbox copy. PreToolUse hook + CLI + agent skill.

updated Jul 2026

picasso-claude-design-claude-code-bridge-loop

15
@RazvanGabrielNiculae

🎨 Picasso Orchestrator: 1. Gate-scored bidirectional loop: Claude Code ↔ Claude Design. Brief → DESIGN.md → Generate → Implement → Score → Refine. 2. Runs locally with open-design — no Pro+ required · 71 brand systems · auto-detected engine.

updated Jul 2026

prompt-authgate

15
@hswtnb-blip

Claude Code prompt injection defense via source authentication tokens. UserPromptSubmit hookでユーザー入力にのみ認証トークンを付与し、ファイル/Web/MCP経由の間接入力を信頼しない軽量実装。

updated Jun 2026

claude-cow-worktree

15
@palmin

WorktreeCreate hook for Claude Code that uses APFS clonefile() to give each new worktree near-zero disk overhead.

updated Jul 2026

sample-oh-my-aidlcops

15
@aws-samples

AIDLC × AgenticOps — plugin marketplace that extends Claude Code and Kiro with agentic operations for the AWS AI-Driven Development Lifecycle (Inception → Construction → Operations).

updated Jul 2026

my-awesome-skills

15
@eduwxyz

Claude Code plugin marketplace shipping an SDD pipeline (interview-to-spec, diagnose, spec-approach, tdd, verify) with hooks that turn skill rules into mechanical guarantees.

updated Jun 2026

aprende-skill

15
@Hainrixz

🧠 Community skill for Claude Code & Codex that helps your agent learn from its mistakes. /aprende reviews the conversation, surfaces durable learnings (memories, Reflexion-style anti-patterns, skill stubs, project-docs), and writes them only after you confirm. Bilingual (EN/ES). Made by tododeia.

updated Jul 2026

Lictor-AI

15
@Raffa-jarrl

Free security skills for AI-built apps — run /lictor-security-check in Claude Code before you ship. Plain English, read-only, no telemetry.

updated Jul 2026

dashi-plugin-claude-code

15
@qwwiwi

Turn a live Claude Code session into a Telegram agent — one interactive session, no per-message SDK billing. Replaces the claude -p gateway pattern. Multichat, media, voice transcription, terminal mirror.

updated Jul 2026

anthropic-docs

15
@xiaolai

Auto-updated 8-skill reference for the Anthropic + MCP doc ecosystem (claude-code, claude-agent-sdk, anthropic-api, anthropic-platform-features, claude-connectors, claude-cowork, mcp-spec, anthropic-pulse). Refreshes every 30 min.

updated Jul 2026

DirectorSKILL

15
@wuwangzhang1216

Claude Code skill for AI filmmaking — shot lists, keyframe & video prompts, with 10 director-style overlays (Spielberg, Kubrick, Wong Kar-wai, Nolan...).

updated Jul 2026

PolyBrain

15
@mosesman831

Multi-model orchestration skill for Hermes Agent - parallel subagents, citation enforcement, source verification

updated Jul 2026

dynare-copilot

15
@EconSolider

Turn macro intuition into validated Dynare .mod files — a coding agent skill for DSGE modeling.

updated Jul 2026

Orchestra

15
@Baelfyre

Installable AI workflow plugin that routes complex software tasks through focused specialist skills for architecture, UI/UX, docs, diagrams, databases, QA, security, and resilience review.

updated Jul 2026

seo-blog-writer-claude-code

15
@manthanpatelll

Claude Code plugin: write GEO/AEO-optimized SEO blog articles end-to-end and publish them to headless WordPress as drafts. Research, write, screenshot, featured image, draft. By @LeadGenMan.

updated Jul 2026

agentbox-herdr-plugin

15
@madarco

Run multiple agents in parallel sandboxed VMs, with a single command, on your PC or in the cloud

updated Jul 2026
← PREV01...181182183184185...344NEXT →