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

mealie-mcp-server

111
@rldiao

MCP server that exposes Mealie APIs to MCP clients such as Claude Desktop

updated Jul 2026

openfoam-mcp-server

111
@webworn

LLM-powered OpenFOAM MCP server for intelligent CFD education with Socratic questioning and expert error resolution

updated Jul 2026

fieldflow

111
@guillaumegay13
updated May 2026

double-shot-latte

111
@obra

Claude Code plugin that automatically evaluates whether Claude should continue working instead of stopping prematurely

updated Jul 2026

awesome-claude-corporate-skills

111
@w95

166 production-ready Claude AI skills organized by corporate role — executive leadership, finance, HR, marketing, sales, legal, operations, engineering, product, data, customer success, procurement & document processing

updated Jul 2026

ogham-mcp

111
@ogham-mcp

Shared memory MCP server — persistent, searchable, cross-client Claude, Opencode

updated Jul 2026

claude-dev-skill

111
@hnaymyh123-henry

A Claude Code custom skill that turns Claude into a Tech Lead — coordinating parallel Worker Agents through a full dev workflow: PRD alignment, architecture, coding, QA, and PR review.

updated Jul 2026

dream-skill

111
@grandamenium

Memory consolidation skill for Claude Code - replicates Anthropic's unreleased auto-dream feature. 4-phase consolidation with 24hr auto-trigger.

updated Jul 2026

DINO-X-MCP

110
@IDEA-Research

Official DINO-X Model Context Protocol (MCP) server that empowers LLMs with real-world visual perception through image object detection, localization, and captioning APIs.

updated Jul 2026

schedcp

110
@eunomia-bpf

MCP Server for Linux Scheduler Management and Auto optimization

updated Jul 2026

csharp-runner

110
@sdcb

fast, secure c# runner

updated Jul 2026

awesome-claude-plugins

110
@Chat2AnyLLM

A curated list of awesome claude marketplaces and plugins

updated Jul 2026

claude-swarm

110
@cj-vana

MCP server for orchestrating parallel Claude Code worker swarms with protocol-based behavioral governance, persistent state, and real-time monitoring dashboard

updated Jun 2026

itsyconnect-macos

110
@nickustinov

Better App Store Connect

updated Jul 2026

skill-conductor

110
@smixs

Architecture-first skill lifecycle for AI agents. 5 modes: CREATE → EVAL → EDIT → REVIEW → PACKAGE. Integrates Anthropic's eval engine (grader/comparator/analyzer agents, blind A/B, benchmarks) with architecture patterns, TDD baseline, and 5-axis scoring. Not just testing - full design-to-distribution.

updated Jul 2026

reshapr

110
@reshaprio

The open source, no-code MCP Server for AI-Native API Access

updated Jul 2026

codd-dev

110
@yohey-w

CoDD: Coherence-Driven Development — Claude Code plugin for cross-artifact change impact analysis

updated Jul 2026

zendesk-mcp-server

109
@reminia

A Model Context Protocol server for Zendesk

updated Jul 2026

mcp-tool-kit

109
@getfounded

Agentic abstraction layer for building high precision vertical AI agents written in python for Model Context Protocol.

updated May 2026

vectorize-mcp-server

109
@vectorize-io

Official Vectorize MCP Server

updated Jul 2026

fred-mcp-server

109
@stefanoamorelli

Open-source FRED MCP Server (Federal Reserve Economic Data)

updated Jul 2026

claudio

109
@ctoth

Hook-based audio feedback for Claude Code and OpenAI Codex CLI

updated Jul 2026

iloom-cli

109
@iloom-ai

iloom: a developer workflow system delivered as a CLI and a VS Code extension for structured AI-assisted development. The CLI is the system of record, running tasks in isolated workflows and persisting analysis, plans, and decisions to your issue tracker, while the VS Code extension exposes insights, assumptions, risks, and decisions in real time.

updated Jul 2026

flowlens-mcp-server

109
@magentic

FlowLens is an open-source MCP server that gives your coding agent (Claude Code, Cursor, Copilot, Codex) full browser context for in-depth debugging and regression testing.

updated Jul 2026
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