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

claude-max-bridge

★ 2
@Rsonlyone

OpenCode AI Proxy Clone 2026 – Free GitHub API Tool for Claude Max Access

updated Oct 2026

AdoptViaAI

★ 2
@tedzoe

Claude API CLI demonstrating all 5 CCA-F certification domains — chat, tool use, agents, MCP, and safety guardrails in a single production-pattern tool.

updated May 2026

Progressive-Discovery-Spine

★ 2
@drewmattie-code

The missing architectural layer above MCP. Production patterns for LLM agents wired to enterprise systems at scale — without context blowout, hallucinated tool selection, or audit gaps.

updated Jul 2026

rx-browser-bridge-mcp

★ 2
@arikw

Drive your own already-open browser from your AI coding agent (any MCP client) via a self-hosted relay + MV3 extension. Tools: screenshot (+full-page), navigate, click, fill, query, new_tab, evaluate (arbitrary JS, even on CSP-locked sites via userScripts). Toolbar activity flash + sqlite audit log for visibility.

updated May 2026

genesis-mcp

★ 2
@adeoluwaadesina

A self-extending Model Context Protocol (MCP) server. Ships with one tool that creates other tools — describe what you need, get a working tool registered live.

updated Jun 2026

mcp-teaching-kit

★ 2
@timothywarner-org

Course-ready CLI reference for the Model Context Protocol. Demonstrates all six MCP primitives (tools, resources, prompts, sampling, elicitation, roots) wired to Anthropic's Claude. Adapted from Anthropic Academy for O'Reilly Live Training.

updated Jun 2026

tiny-claude-code

★ 2
@Loveca

A hands-on tutorial for building a Claude Code-style coding agent with tools, memory, hooks, subagents, and plugins.

updated Jul 2026

BugVault

★ 2
@yuezi2048

Claude Code MCP native extension delivering a zero-human closed loop: Auto Bug Retrieval → Intelligent Troubleshooting → Automated Structured Accumulation. Equips Claude Code with long-term troubleshooting memory and establishes a reusable bug knowledge library for individuals and teams.

updated Oct 2026

Broswer-MCP-for-Claude

★ 2
@satisharps

Chrome browser MCP for Claude — navigate, click, type, take screenshots, monitor network & console logs. Connects Chrome to Claude (Cowork / Claude Code) via a Chrome Extension + Python MCP server. 20+ browser control tools.

updated Jun 2026

briar

★ 2
@iklobato

Local-first CLI that mines your tools (GitHub, Jira, AWS, …) into agent-ready context and runs autonomous LLM agents against it. https://usebriar.com

updated Oct 2026

agentic-ways-of-working

★ 2
@nino-chavez

Harness-agnostic agentic ways of working: one canonical principles doc, per-tool adapters, skills, and hooks. Extracted from a private setup, stripped of secrets and personal data.

updated Oct 2026

linkedinaivoiceblock

★ 2
@ed-is-ai

Experimental, skills-and-tools architecture for AI detection that runs entirely in the browser sandbox — Claude-powered, self-healing, local-first.

updated Jul 2026

corellium-mcp

★ 2
@H4RR1SON

Code-mode Model Context Protocol (MCP) server for Corellium: the full 206-operation mobile-security API behind two tools, executed in a token-isolated V8 sandbox. Ships a token-efficiency A/B evaluator.

updated Sep 2026

BRAINS-claude-usage-monitor

★ 2
@BRAINS-Certified

VSCode extension that surfaces Claude Code token usage from local JSONL transcripts. Rolling 5h/7d windows, sparkline, billable-token weighting matched to Anthropic's pricing.

updated Aug 2026

Loupe

★ 2
@Yeman-sker

Loupe — pin a real DOM element in your browser, hand the exact target + context to an AI coding agent (Claude Code / Codex) via MCP, and resolve. Local-first Chrome MV3 extension + daemon + MCP bridge.

updated Oct 2026

glyphdown

★ 2
@MikkoParkkola

Lossless, on-device token-cost reduction for Claude Code and LLM coding agents. Free plugin: compresses tool-result output, dedups context, compacts the system prompt — stacks on Anthropic prompt caching. Rust hot path, Python fallback, fail-open. PolyForm Noncommercial.

updated Oct 2026

claude-code-unpoison

★ 2
@GGGODLIN

One-command recovery from Claude Code's Opus 4.7/4.8 'tool call could not be parsed (retry also failed)' bug — rewinds the poisoned session tail so you can --resume cleanly.

updated Oct 2026

claude-code-session-restorer

★ 2
@sahol3

Restore missing Claude Code sessions in the Claude Desktop Code tab - after switching or logging into a different Claude account, or when CLI / VS Code sessions do not appear. Safe, reversible Windows PowerShell tool (and Claude skill) that rebuilds the per-account session index.

updated Oct 2026

wov-mailer

★ 2
@whimCrouwel

⚠️ Beta — AirtableからResend経由でメール一斉送信するmacOSアプリ。Claude Code MCP連携・複合ツール・コンテキストリソース・not_equalsフィルター対応

updated Aug 2026

salesforce-metadata-mcp

★ 2
@semwalajay83-sem

MCP server with 228 tools for Salesforce: metadata, flows, Apex, LWC, Agentforce, OmniStudio, reports, permissions, impact analysis and more. Manage your org from Claude in natural language.

updated Oct 2026

agentloop

★ 2
@mnifzied-create

A Claude agent starter you can actually read — streaming + tool use in ~150 lines. Next.js + the official Anthropic SDK. MIT.

updated Jun 2026

mint

★ 2
@min0625

A minimalist, LLM-powered AI translation & dictionary CLI tool for developers.

updated Sep 2026

gdb_mcp

★ 2
@vn-lazyming

A lightweight MCP tool that lets an AI agent (Claude Code) interact with your currently-open gef or pwndbg session — run any command and read its output — while you keep using the same gdb prompt. The extension (gef/pwndbg) is auto-detected.

updated Aug 2026

qcc

★ 2
@zhanglunet

企查查 Agent MCP 一站式接入 — Python + TypeScript 客户端 + 8 个 KYB / 尽调 / 风控工作流 skill,覆盖 146 个 MCP tool,支持 Claude Code / OpenClaw / Hermes / CLI 四种接入形态

updated Jul 2026
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