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

8245entries
★ starsA–Z name

mb-al-ai-toolkit-cc

1
@mbaic

Custom Claude Code plugin with an autonomous agent and 7 rules for AL development in Business Central Per-Tenant Extensions.

updated Aug 2026

workflow-toolbox

1
@home-dev-lab

Author, scaffold, and debug multi-agent workflows for Claude Code's Workflow tool — a skills-only plugin plus @workflow-toolbox, a compile-time TypeScript pattern library. Research preview.

updated Aug 2026

deepseek-monitor

1
@uphome

VSCode extension for Claude Code + DeepSeek: real-time balance & token usage in the status bar, powered by local JSONL parsing — no proxy, no key exposure

updated Jun 2026

jobTracker_browserExt

1
@adevcalledkyle

Chrome extension designed to allow users ability to capture job from seek & linkedin. Update status and view stats in the jobs you capture and the

updated Jul 2026

Agentic-Cybersecurity-Toolkit

1
@elhaddajiOtmane

A repository combining skills and methodologies from superpowers, claude-code-security-review, Anthropic-Cybersecurity-Skills, theHarvester, and hackingtool for AI agents.

updated Jun 2026

ResearchX

1
@xingguangYan

ResearchX — AI Research Operating System. Literature-driven AI research assistant for full scientific lifecycle.

updated Jun 2026

agent-kit

1
@wpalish

Multi-agent orchestration framework for Claude — tool registry, memory, parallel runners, orchestrator/worker topology

updated Jun 2026

code-review-agent

1
@YunhaoDou

Multi-step code review agent on Anthropic Tool Use, packaged as a GitHub Action. Three guardrails prevent runaway behavior.

updated Jul 2026

chatpanel-bridge

1
@chatpanel

Local bridge for the ChatPanel Chrome extension (Claude Code + Codex)

updated Aug 2026

pi-dynamic-workflow

1
@mbenetti

Pi extension to built with pocketflow dynamically workflows. Inspired on Anthropic's dynamic harness: https://claude.com/blog/a-harness-for-every-task-dynamic-workflows-in-claude-code

updated Jun 2026

ember-browser

1
@Wrenbjor

Chrome extension + local MCP server that lets any AI (Claude Code, Gemini CLI, or your own local LLM) drive your real browser session — no Playwright, no separate profile. Screenshots, page snapshots, clicking and typing with a visible cursor, plus a side-panel chat assistant for any OpenAI-compatible local model (Ollama, LM Studio, vLLM).

updated Jun 2026

sufficit-vscode-symposium

1
@sufficit

Symposium (συμπόσιον) — VS Code extension hosting dialogue sessions with multiple AI agent CLIs (Claude Code, Codex, Copilot)

updated Aug 2026

CacheWarden

1
@Efs-O

VS Code extension that keeps Claude Code's Anthropic prompt cache warm — auto-pings before the 5-minute TTL expires.

updated Aug 2026

mcp-security-scanner

1
@lorbeere711

The npm-audit for MCP servers: scan AI agent tools for dangerous permissions, prompt injection, and data exfiltration risks.

updated Jun 2026

ai-setup-sync

1
@olekpuchka

VS Code extension that syncs AI setup files and MCP configs (Claude Code, Copilot, Cursor, Codex, Antigravity and more) from a GitHub repo into every project automatically.

updated Aug 2026

feishu-cc-toolkit

1
@xueyongcheng

Companion layer for the Feishu <-> Claude Code bridge: make it work behind a proxy (proxy-split), a /ctx context-usage readout, and an ops playbook. Not a fork.

updated Aug 2026

ai-agent-starter

1
@skycandykey1

Minimal AI agent template in Python (Claude) — agentic tool-use loop, no framework

updated Aug 2026

FORGE

1
@BBRenxo

Agentic AI coding desktop (Claude + Ollama). 4-layer architecture: tool manifest + persona shell + briefings + WORM unlock layer. Electron + React + Node.

updated Jul 2026

telegram-mcp-claude

1
@TAIPANBOX

MCP server giving Claude full Telegram tools (read/send/edit/pin/react/files)

updated Jul 2026

pg-extension-lab

1
@ysys143

A harness for testing, benchmarking, and tuning PostgreSQL extensions in an isolated, reproducible environment.

updated Aug 2026

claude_harness_proxy

1
@philemon1977

Enhance the tool-calling capabilities of your Claude Code, enabling it to deliver performance comparable to or even surpassing Anthropic Opus 4.7 when utilizing APIs of other models such as Qwen, DeepSeek, Kimi, and Gemma.(增强你的claude code的工具调用能力,让你使用qwen、deepseek、kimi、gemma等其它模型api时,能够获得接近甚至反超anthoropic opus 4.7的水平。)

updated Jun 2026

claude-slack-daemon

1
@xingbuilds

Reach your own Claude Code from a Slack DM — local brain, your tools & memory, Socket Mode, single-owner. MIT.

updated Jun 2026

vision-extension

1
@loudMore

Drop-in vision capability pack for text-only reasoning LLMs. Contains an MCP server (mcp-vision-extension) and a companion Claude Code skill, locked into eyes-only mode. 给纯文本推理大模型即插即用的视觉能力扩展包。包含一个 MCP server(mcp-vision-extension)和一套配套的 Claude Code skill,全程锁定在"只当眼睛、不抢推理"的描述模式。

updated Aug 2026

sreeram-agent-skills

1
@sreeramg-hub

Reusable patterns for personal agentic automations — YouTube monitoring, free transcription, CrewAI tools, GitHub Actions scheduling, and attributed-sentiment prompting

updated Jul 2026
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