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

honey-proxy

★ 2
@Green-PT

Local Rust proxy so Codex and Claude Code can use GreenPT models. Anthropic Messages and OpenAI Responses in, OpenAI-compatible Chat Completions out — streaming and tool calling included.

updated Sep 2026

enclave-extensions

★ 2
@eclipse-enclave

Community tool and feature extensions for Eclipse Enclave

updated Oct 2026

Vaultwarden-MCP

★ 2
@ShadowsDistant

A locally hosted MCP server for interactions between Claude and a hosted Vaultwarden instance using the CLI.

updated Sep 2026

server

★ 2
@rtc-agent

Open-source AI agent backend with Remote Tool Calling - Claude & OpenAI compatible

updated Oct 2026

mcp-multiplexer

★ 2
@JohGirard

One MCP server fronting many: list_servers, list_tools, search_tools, describe_tool, call_tool, refresh_tools, authorize_server. Lazy schema discovery slashes context-token costs. Allow/deny governance, OAuth 2.1 brokering, expose mode. Works with Claude Code, Cursor, Zed, any MCP client.

updated Sep 2026

claude-code-toolkit

★ 2
@lballoriani

Practical Claude Code extensions: a tested PreToolUse safety hook (blocks rm -rf /, curl|sh, secret exfiltration, ...) plus example sub-agents and slash commands.

updated Sep 2026

AgentRail

★ 2
@vzubcu

One local endpoint for Claude Code, Codex, Cline, Continue & other AI tools. • BYOK • keys stay local • OpenAI + Anthropic compatible • fallback routing • built-in dashboard

updated Oct 2026

rius-coding-agents

★ 2
@glassflow

Claude Code plugin that streams your sessions to Rius as OpenTelemetry traces: prompts, model calls, tokens, tool calls and subagents.

updated Oct 2026

cyuneo-agent-monitor

★ 2
@cyuneo

VS Code extension: see each Claude Code and Codex agent's status, current step and context usage in a terminal-style panel. Reads local session logs only. Unofficial; not affiliated with Anthropic or OpenAI.

updated Sep 2026

CLAUDE_SETUP

★ 2
@NAME0x0

One-command portable Claude Code setup: global CLAUDE.md + reasoning manual, 73 skills, 10 plugins, 5 MCP servers, gstack, fast CLI tools and Codex CLI. Windows, macOS and Linux. No secrets included.

updated Oct 2026

ui-notes-for-claude-code

★ 2
@simonorzel26

Chrome extension for macOS: hold Option on a localhost page, click an element, write a note. Claude Code works through the batch.

updated Oct 2026

harness-scope

★ 2
@shimo4228

A Claude Code mod that turns your global skills, agents, rules and tools on or off per repo with named profiles. In my writing repo, it hid 94 of the 101 skills with one line.

updated Oct 2026

claude-devtools-mod

★ 2
@NMenzel

Claude DevTools: a debugger for Claude Code tool calls. Breakpoints, pause/step/reject, timeline, inspector and Error Lens failure diagnosis, as a Claude Code mod.

updated Oct 2026

context-monitor

★ 2
@bekirand

Token Weather telemetry & Safe Handoff extension for Google Antigravity

updated Oct 2026

MCP-Server

★ 1
@bautiroalt

🚀 Launch a local server with ease using MCP Server for instant backend and interface setup, all with a single double-click.

updated Oct 2026

claude-custom-tools-typescript

★ 1
@larryhudson

A tutorial to learn about adding custom tools to Claude with Anthropic's SDK

updated Jul 2024

Async-Generate-Tool

★ 1
@Liesy

You can use this asynchronous generation tool to get responses in bulk. Support [OpenAI-GPT/Anthropic-Claude/zhipuai-GLM/vLLM]

updated Oct 2024

claude-cli-anthropic

★ 1
@tarasowski

A simple cli tool to chat with claude sonnet models.

updated Dec 2024

claude_sat_solver

★ 1
@mbrotos

Using Anthropic's Claude 3 Opus to solve SAT problems with symbolic tool use.

updated Nov 2024

crewai-anthropic-similar-company-finder

★ 1
@sanjanabatheja123

🤖 Discover and connect with similar companies using the CrewAI Anthropic Similar Company Finder, a powerful tool for enhancing business insights.

updated Oct 2026

mcp-wait-timer

★ 1
@199-mcp
updated Nov 2025

claude-llm-tools

★ 1
@gmr

A library for auto-generating JSON Schema and dispatching tool calls in applications that use the Anthropic API to interact with Claude.

updated Aug 2025

-llm-music-composer-docs

★ 1
@kdleezy

LLM-powered music composition tool using Anthropic's Claude and Music21.

updated Jun 2026

remote-mcp-server-authless-andor

★ 1
@elizabethsiegle

Remote MCP server to summarize/scrape Andor season 2 episodes using Browser Rendering and Workers AI

updated May 2025
← PREV01...309310311312313...345NEXT →