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

8237entries
★ starsA–Z name

mcp-trino

116
@tuannvm

A high-performance Model Context Protocol (MCP) server for Trino implemented in Go.

updated Jul 2026

mobile-observability

116
@nexus-labs-automation

Claude Code plugin for mobile app observability: crash reporting, performance monitoring, and instrumentation for iOS, Android, and React Native

updated Jul 2026

claude-code-guide

116
@OriNachum

An interactive plugin for Claude Code delivering guided onboarding, workflow automation, and gamified progression.

updated Jun 2026

tiger-cli

115
@timescale

Tiger CLI is the command-line interface for Tiger Cloud. It includes an MCP server for helping coding agents write production-level Postgres code.

updated Jul 2026

vessel-browser

115
@unmodeled-tyler

Built from the ground-up for agents, Vessel Browser is an open source AI browser for Linux/Mac/Windows that provides a durable state, MCP control, and BYOK with full autonomous browsing. Use with Hermes Agent, OpenClaw, or connect to your favorite API provider.

updated Jul 2026

thesis-figure-skill

115
@0xE1337

🎓 Claude Skill: Paste your paper text, auto-generate publication-ready LaTeX/TikZ diagrams. 粘贴论文文案,自动生成学术级配图。

updated Jul 2026

cligate

115
@codeking-ai

Private AI assistant, AI agent, and unified model proxy for Claude Code, Codex CLI, Gemini CLI & OpenClaw. Skills, MCP, tools, channels, tasks,model routing, accounts, keys, logs, dashboard.

updated Jul 2026

agentcall

115
@pattern-ai-labs

AgentCall lets AI Agents join meetings with voice, video & screen-share to build together. Supports Google Meet, Teams, Zoom (Beta)

updated Jul 2026

fable5-mode

115
@cozytab

Make Opus 4.8 (or any Claude model) work like Claude Fable 5 — a Claude Code skill + guard hooks (plan gate, model ceiling, per-task enforcement) for Fable-5-grade discipline: plan, self-verify, and route sub-agents, without Fable 5.

updated Jul 2026

Deepseek-Thinking-Claude-3.5-Sonnet-CLINE-MCP

114
@newideas99

🧠 MCP server implementing RAT (Retrieval Augmented Thinking) - combines DeepSeek's reasoning with GPT-4/Claude/Mistral responses, maintaining conversation context between interactions.

updated Jun 2026

RivalSearchMCP

114
@damionrashford

Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs, news aggregation, entity profiles, conflict detection, document analysis. No API keys. No in-server LLM. Structured outputs for agent chaining.

updated Jul 2026

mcp-reticle

114
@soth-ai

Reticle intercepts, visualizes, and profiles JSON-RPC traffic between your LLM and MCP servers in real-time, with zero latency overhead. Stop debugging blind. Start seeing everything.

updated Jul 2026

story-skills

114
@danjdewhurst

Agent Skills for end-to-end story writing in markdown, packaged as Codex and Claude Code plugins.

updated Jul 2026

kept

114
@egroup-labs

Search, archive, and recall your AI conversations. ChatGPT, Claude, Gemini, Grok, Kimi. Local-first, MIT licensed.

updated Jul 2026

magic-compact

114
@aerovato

Lossless context compression plugin for Claude Code & OpenCode.

updated Jul 2026

snippy

113
@Azure-Samples

🧩 Build AI-powered MCP Tools with Azure Functions, Durable Agents & Cosmos vector search. Features orchestrated multi-agent workflows using OpenAI.

updated Jun 2026

langgraph-ai

113
@piyushagni5

A comprehensive collection of LangGraph implementations, tutorials, and advanced AI workflows covering Agentic RAG systems, MCP (Model Context Protocol) development, and practical AI application patterns.

updated Jul 2026

trainingpeaks-mcp

113
@JamsusMaximus

TrainingPeaks MCP server for Claude Desktop, Code and Cowork. No API approval needed - works with any account. Query workouts, CTL/ATL/TSB fitness data, power PRs via natural language.

updated Jul 2026

awesome-claude-code-workflows

113
@ithiria894

Curated workflow recipes that combine hooks, MCP servers, skills, agents, and CLAUDE.md to automate real Claude Code tasks

updated Jul 2026

ultraship

113
@Houseofmvps

"ULTRASHIP" Claude Code plugin — 39 skills, 33 tools, 11 agents for ship-ready workflows: planning, review, pentesting, safety guardrails, canary monitoring, SEO/AI-readiness check, penetration testing, code review, competitive analysis, incident response. 1 dependency. 180 tests. MIT.

updated Jul 2026

zai-coding-plugins

112
@zai-org

Z.ai Coding Plugins Marketplace in Claude Code

updated Jul 2026

opencode-anthropic-oauth

112
@shahidshabbir-se

OpenCode plugin for Anthropic Claude Pro/Max OAuth login — no Claude Code needed.

updated Jul 2026

dreamgraph

112
@mmethodz

DreamGraph is a graph-governed conceptual development environment (CDE) that turns plans, architecture decisions, and project knowledge into auditable execution through a persistent cognitive graph.

updated Jul 2026

Opptrix

112
@Travisun

Opptrix — 大模型驱动的投研助手 | Open-source LLM research assistant for China A-shares. 40+ MCP tools, factor screening, backtest, watchlist & Electron desktop. TypeScript · React · Fastify monorepo.

updated Jul 2026
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