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

8239entries
★ starsA–Z name

testrail-mcp-server

27
@uarlouski

AI-native MCP server connecting Claude, Cursor, Windsurf, and other AI assistants to TestRail — manage test cases, runs, and results through natural-language conversation, with typed schemas built for LLMs.

updated Jul 2026

everything-gemini-cli

27
@pm-bhatt

Gemini CLI extension adapted from everything-claude-code by Affaan Mustafa. Commands, skills, and best practices for software development.

updated Jul 2026

claude-session-index

27
@lee-fuhr

Index, search, and analyze your Claude Code sessions. Full-text search, conversation retrieval, analytics, and cross-session synthesis.

updated Jul 2026

claude-notifier

27
@ashmitb95

VSCode extension that plays distinct sounds when Claude Code finishes a task or needs your input

updated Jul 2026

pm-copilot

27
@dkships

MCP server that triangulates customer support tickets and feature requests to help PMs decide what to build next

updated Jul 2026

claude-worktree-hooks

27
@tfriedel

Auto-setup hooks for Claude Code worktrees: env files, dependencies, and deterministic ports

updated Jun 2026

metashape-mcp

27
@jenkinsm13

AI-powered photogrammetry automation — MCP server for Agisoft Metashape Professional 2.3+. Control the full pipeline (alignment, dense cloud, mesh, texture, DEM, orthomosaic, export) using natural language through Claude or any MCP-compatible AI assistant.

updated Jul 2026

claude-code-tips

27
@anipotts

practical patterns for agentic coding: hooks, agents, automation. built from hundreds of claude code sessions

updated Jul 2026

hatch3r

27
@hatch3r

Open-source CLI + editor plugin (Claude Code, Cursor, GitHub Copilot): one command installs 29 agents, 53 skills, 67 rules, 30 commands, 7 hooks & MCP integrations into any repo. Audited each release across 24 governance domains.

updated Jul 2026

claude-code-python-setup

27
@skateddu

Ready-to-use .claude configuration for Python projects: agents, skills, commands, rules, and MCP server templates for Claude Code.

updated Jul 2026

codeTree

27
@ThinkyMiner

MCP server with 23 tools for structured code understanding via tree-sitter. 10 languages. 999 tests. One-command install.

updated Jul 2026

systems-design.skill

27
@ryanthedev

Claude Code plugin for distributed system design — structured frameworks for architecture review and interview prep

updated Jul 2026

wtf

27
@pacaplan

A Claude Code plugin for when things go sideways

updated Jul 2026

goat-flow

27
@blundergoat

A structured workflow system for AI coding agents - harness engineering, execution loop, skills, hooks, and a learning loop. Works with Claude Code, Codex, Antigravity CLI, Copilot.

updated Jul 2026

cext-review-toolkit

27
@devdanzin

A Claude Code plugin for reviewing CPython C extensions — finding API misuse, memory safety bugs, compatibility issues, and correctness problems.

updated Jul 2026

react-tips-skill

27
@Cst2989

Claude Code plugin: 10 high-impact React patterns and anti-patterns

updated Jul 2026

claude-memory-kit

27
@awrshift

The starter kit for Claude Code — your agent remembers across sessions: date-tagged memory under three hook-enforced caps, per-session handoffs, stale-refs detection, multi-project isolation, audit-driven promotion via /close-session, plus an opt-in multi-agent orchestration layer. Zero deps.

updated Jul 2026

claude-ssh-image-skill

27
@AlexZeitler

A Claude Code skill + local daemon that enables pasting clipboard images into a Claude Code session on a remote server over SSH.

updated Jul 2026

pm-os

27
@shaan-ad

The Product Manager's Operating System. A Claude Code plugin with 27 AI-powered skills for every PM workflow.

updated Jul 2026

claude-brain

27
@mikeadolan

Persistent memory for Claude Code. Local SQLite + MCP + hooks.

updated Jul 2026

self-care

27
@Not-Diamond

Agent trace analysis and context remediation plugin for Claude Code. Detects quality issues in your AI agent traces — goal drift, hallucinations, missed actions, and more.

updated Jun 2026

claude-code-token-saver

27
@ww-w-ai

45% cost reduction measured. The only Claude Code plugin built from CC source analysis — cache expiry prevention, SubTask auto-delegation, zero-cost context restoration, real-time dashboard. Max Plan + API pay-per-use.

updated Jul 2026

founder-skills

27
@firatcand

Claude Code skills for founders building B2B SaaS — covering GTM, product, engineering, design, and content.

updated Jul 2026

manusiawi

27
@abualif120

Claude skill that strips AI writing patterns from Malaysian BM text. 32 BM patterns + Indonesian intrusion detection + 24 English patterns.

updated Jun 2026
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