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

pact

1
@winsznx

Verifiable AI-as-a-Service on 0G mainnet. Every inference produces a TEE-attested ECDSA signature recoverable on-chain. Reputation travels with the Agent INFT. Live, settled, 56s end-to-end.

updated May 2026

claude-ai-complete-guide

1
@deepakrout

Companion repo for "Claude AI: The Complete Developer Guide" — prompt engineering examples, API usage, tool use patterns, and workflow automation with Anthropic's Claude.

updated Jul 2026

claude-mv-powershell

1
@voltronsource

PowerShell tool to move/rename Claude Code projects on Windows while preserving conversation history and config.

updated May 2026

verdigraph-neurogenesis

1
@viridis-security

Paid hosted MCP for agent-to-agent compute routing. 25% of net revenue funds conservation. OAuth 2.1 + PKCE, Stripe prepaid credits, atomic ledger.

updated Jul 2026

squire

1
@PythonLuvr

General-purpose runtime for spawning CLI AI agents (Claude Code, Codex, Gemini CLI) as subprocesses with structured event streaming, MCP tool forwarding, and Claude Code permission auto-setup. MIT.

updated May 2026

llm-cache-proxy

1
@yubinkim444

Local SQLite cache for OpenAI and Anthropic API calls. One env var, 60-80% cheaper dev loops. Works with every existing tool.

updated Aug 2026

claudeTokens

1
@mmasias

Extensión Chrome para monitorear el uso semanal de tokens en Claude Code

updated May 2026

claude-finance-close-agent

1
@jtnoone

Multi-agent finance close assistant built with the Anthropic Claude API — analyst, researcher, writer, and critic agents with tool use, extended thinking, and an eval suite.

updated May 2026

plint

1
@DannyBruno

Static + runtime linter for LLM agent prompts, skills, and tool definitions. Model-aware policy for Claude, GPT, OpenRouter.

updated May 2026

claude-plugins

1
@john-farina

Claude Code plugins by John Farina — build extensions, automate workflows, make Claude smarter about your project.

updated Jul 2026

Claude-Code-on-WhatsApp

1
@ghanibot

Claude Code agent di WhatsApp + Telegram. Voice, vision, file analysis, RAG, multi-tool reasoning. Run di Termux Android. One-click installer.

updated May 2026

url-triage-agent

1
@Abdulla-AlBassam

Autonomous AI agent that triages URLs for phishing and malware: a barefoot Anthropic tool-use loop driving 10 classical analysis tools plus a hardened Docker browser sandbox.

updated May 2026

airtable-interface-plan

1
@yousuf-star

Plan Airtable Interface extensions by mocking them up with the real @airtable/blocks primitives -- standalone, no live base, no CLI. A Claude Code skill + verified PoC.

updated Jul 2026

claude-code-statusline-usage

1
@eastonsuo

Non-invasive realtime usage statusline for Claude Code: live context %, cost, diff, api time — via the official statusLine extension point (no app-bundle patching, survives upgrades).

updated Jun 2026

chrome-extension-builder

1
@harry-harish

Claude Code plugin for building, validating, testing, and shipping Manifest V3 Chrome extensions.

updated Jun 2026

quiz-generator

1
@Davante-MEDAC

A CLI tool that reads a PDF document and uses the Anthropic Claude API to automatically generate a structured set of multiple-choice questions for study and exam preparation.

updated May 2026

mcp-man

1
@aaglexx

Postman for MCP servers — inspect tools, test live, browse 150+ servers

updated Aug 2026

9r-claude

1
@zesbe

Wrapper Claude Code CLI untuk endpoint Anthropic-compatible custom (9router/Hermes/proxy). Per-tier model mapping + bridge tools buat sesi Kiro.

updated Aug 2026

sage

1
@kushagra2240

Sage — A multi-agent research assistant built with Claude + MCP. Demonstrates custom MCP server authorship, agent orchestration, and tool-use patterns using the Anthropic Python SDK.

updated Aug 2026

EdgeControl

1
@amadeus1171

Claude Code MCP server for Microsoft Edge browser control via the Chrome DevTools Protocol — 64 tools, no extension or Puppeteer/Playwright.

updated Aug 2026

vsclaudefix

1
@LunarWerxs

Make the Claude Code sidebar pull its weight. Patches the VS Code extension to add a persistent side-by-side session pane, pin/star/archive, filters, live status dots, and the layout and modal fixes.

updated Aug 2026

claude-code-vscode-zh-cn-patch

1
@Shuran-z

Unofficial Chinese localization patcher for Claude Code VS Code extension. Does not include Anthropic extension code.

updated May 2026

html-annotated-preview

1
@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 May 2026

texpad

1
@alfredang

Browser LaTeX authoring tool with real Tectonic compilation and a Claude AI co-author. Minimalist Overleaf alternative with web-grounded research.

updated May 2026
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