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

8261entries
★ starsA–Z name

gohighlevel-mcp-pro

★ 2
@nafiurrahmanniloy

Hardened GoHighLevel MCP server: 566 tools, lean-mode (74% smaller default context), 15 bug fixes, 14 agency-grade composites. Future-proofed for July 2026 webhook auth migration.

updated Aug 2026

plunk-mcp

★ 2
@ignytehq

Unofficial Model Context Protocol server for Plunk. 84 tools spanning email, contacts, campaigns, segments, workflows, and analytics.

updated Sep 2026

html-chameleon

★ 2
@churin1116

Stop hardcoding colors in your HTML artifacts. Chameleon is a tiny shared theme contract (21 CSS variables + Tailwind-shaped utility classes) so any HTML can be repainted by a Chrome extension, a Claude Code Skill, or the reader's preference.

updated Oct 2026

claudepulse

★ 2
@cubha

Claude Code Usage Dashboard VS Code Extension — workspace-aware billing, 5h window, project drilldown

updated Oct 2026

pi-anthropic-web-search

★ 2
@code-yeongyu

Anthropic native web search policy extension for the pi coding agent. Ensures native web_search tools are present on anthropic-messages payloads and appends web search guidance to the system prompt.

updated Sep 2026

pi-anthropic-bash

★ 2
@code-yeongyu

Anthropic native bash policy extension for the pi coding agent. Ensures native bash tools are present on anthropic-messages payloads when opt-in is enabled and appends bash guidance to the system prompt.

updated Oct 2026

pi-anthropic-tool-search

★ 2
@code-yeongyu

Anthropic native tool-search policy extension for the pi coding agent. Conditionally injects Anthropic tool-search tools based on PI_ANTHROPIC_TOOL_SEARCH and appends tool-search guidance to the system prompt.

updated Sep 2026

sellercloud-mcp

★ 2
@ThynksoLab

MCP server for Sellercloud REST API and legacy web — 73 tools for Claude Desktop and other MCP clients

updated May 2026

pi-web

★ 2
@Boti-Ormandi

Native web_search and secure public-URL web_fetch tools for the pi coding agent using pi-managed OpenAI Codex or Anthropic subscription OAuth.

updated Aug 2026

worktrace

★ 2
@BODMAT

Browser extension + web dashboard for AI-assisted dev session tracking

updated Sep 2026

writing-context-rtfm

★ 2
@joaocarlos

A MCP extension built on top of rtfm-ai that it acts as a gatekeeper by taking the agent's task, queries the underlying RTFM index, filters out background noise, and packs only the essential and supporting source chunks into a tight contextualized prompt.

updated Sep 2026

claude-code-mini

★ 2
@zyziyun

Async Python implementation of the Claude Code agent harness — real Bash/Read/Glob/Grep tools, three-tier caching, multi-stage compaction, allow/ask/deny permissions, Pre/PostToolUse hooks, slash commands, subagent isolation. OpenAI + Anthropic + Ollama. ~1.9K LOC, 14 commits.

updated Jul 2026

pentestops

★ 2
@1lkla

LLM-driven automated penetration testing pipeline — subdomain → probing → endpoints → fuzz → JS audit → auth analysis → API scoring → unauth API verification. Evidence-backed, multi-format reports, Tool Cards, Planner/Verifier/Reporter contracts.

updated Jul 2026

chromewire-mcp

★ 2
@bakhtiersizhaev

ChromeWire MCP connects the official Codex Chrome Extension to MCP-compatible AI CLIs for safe localhost control of real browser tabs.

updated Jul 2026

notebooklm-toolkit

★ 2
@curara81

CLI scripts replacing 5 Chrome extensions for Google NotebookLM — bulk import, transcript download, cross-notebook search & more. Built on notebooklm-py.

updated Jul 2026

vscode-claude-context

★ 2
@komisla

VSCode extension: live Claude Code context window monitor with traffic-light status bar and token breakdown panel

updated Aug 2026

vscode-integrated-browser-mcp

★ 2
@Nagell

🌐 VS Code extension exposing the built-in Integrated Browser as an MCP server — give Claude Code, Cline & any MCP agent eyes and hands.

updated Jul 2026

ccwise

★ 2
@burylife

claude-code, anthropic, claude, llm, cli, analytics, cost-tracking, developer-tools

updated May 2026

pi-cas-provider

★ 2
@neevparikh

Pi extension: Claude provider via @anthropic-ai/claude-agent-sdk. Inherits Claude Code auth, supports fast mode on Opus.

updated Jun 2026

claude-code

★ 2
@Pushpenderrathore

Anthropic-compatible proxy that routes Claude Code opus4.7/sonnet4.6 Haiku , the VS Code extension & JetBrains ACP to free or local model providers.

updated Jul 2026

instagram-mcp

★ 2
@William-Gao

MCP server for Instagram using the Instagram Platform API with Instagram Login (no Facebook Page required, no private API scraping). 27 tools for profile, media, publishing, comments, insights, and DMs.

updated Sep 2026

html-annotated-preview

★ 2
@myttttttt

Annotate anything Claude writes — reports, specs, live previews. Now with AI self-review pre-annotation. No MCP, no extension, no server. Just a Claude Code skill.

updated Sep 2026

dotfiles

★ 2
@agenthangar

Personal macOS + zsh dotfiles: utility scripts, Claude Code session tooling (tmux teleport/search/sync), and macOS sleep + PII-scan helpers.

updated Oct 2026

agent-ready-index

★ 2
@JuanSPZ

Agent Search 2026: Best AI-Ready Site Indexer & MCP Tools 🚀

updated Oct 2026
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