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

8281entries
★ starsA–Z name

mcp-annas-archive-create-skill

★ 3
@VKirill

MCP server for Claude Code: Anna's Archive search/download + Gemini methodology extraction → audited Claude Code SKILL.md. One tool call, end-to-end.

updated Aug 2026

tinkering

★ 3
@till-hohmann

Small AI-assisted operator tools, released as I build them. Starting with a LinkedIn engagement console that drafts grounded comments instead of generic ones.

updated Oct 2026

tweai

★ 3
@froggychips

AI reply assistant for X (Twitter) — OpenAI, Grok & Gemini, 8 personas, tweet translator, smart thread context. BYOK, no subscription, open-source Chrome extension.

updated Jun 2026

donna

★ 3
@medelman17

She knows everything about everyone. Agentic talent intelligence — 12-tool AI pipeline that deep-researches every developer who's touched a GitHub repo.

updated May 2026

ClaudeTok-Extension-

★ 3
@altidj422-tech

extension that turns on tiktok instantly when u prompt claude code, so u can not waste time and directly start watching tik tok, maximum vibe coding, vibecodingmaxxing

updated Oct 2026

feedbagel-mcp

★ 3
@Prototypr

MCP server for Feedbagel: search RSS feeds, follow them, and route new entries to webhooks. 18 tools, stdio, API-key auth.

updated Jul 2026

abi-stable-skills

★ 3
@janeyx99

Claude Code skills for migrating PyTorch C++/CUDA extensions to the stable ABI

updated Aug 2026

miro-mcp-apps

★ 3
@olgasafonova

MCP Apps pilot for Miro: 7 tools that return interactive UI (cards, tables, color clusters, SVG graphs, comment threads) instead of JSON, rendered inline in MCP Apps-compatible hosts like Claude Desktop.

updated Sep 2026

VibeProxyPlus

★ 3
@Drjacky

Native macOS menu bar app to use your Cursor, Claude Code, ... subscriptions with AI coding tools

updated Oct 2026

anthropic-html

★ 3
@L2ncE

A Claude Code skill for generating Anthropic-style standalone HTML diagram files.

updated Jun 2026

claude-code-langfuse-tracing

★ 3
@kaiser-data

🔭 Zero-intrusion observability for Claude Code — a Stop hook replays session transcripts into Langfuse as backdated, session-grouped traces (generations → nested tool spans) with token/cost. Secret stays in the macOS Keychain. Fail-open by design.

updated Sep 2026

umarell

★ 3
@adrianofontanari

👴🏗️ VS Code extension: an Italian umarell watches a construction site in your sidebar while you code. Vibe-coded with Claude Opus.

updated Jun 2026

shopify-dev

★ 3
@veyralabsgroup

Shopify developer skill for Claude Code - Liquid themes, custom apps, Storefront/Admin GraphQL, Hydrogen, CLI, checkout extensions. Live docs via Context7.

updated Aug 2026

ARIA-Research-Agent

★ 3
@yukthapriya

Multi-agent AI system for autonomous academic research. Implements agentic pipelines, LLM orchestration, tool-use, context management, and real-time streaming — powered by Claude Sonnet 4.

updated Oct 2026

adrex-ai

★ 3
@adrex-ai

Open-source MCP server to manage Google Ads from Claude, Cursor, VS Code, or any AI assistant — 54 tools for campaigns, reporting, keywords & targeting. Meta Ads coming soon.

updated Sep 2026

llm-messages

★ 3
@slegarraga

OpenAI-compatible provider portability: convert chat conversations between OpenAI, Anthropic and Gemini. Tool calls, multimodal parts, zero deps.

updated Oct 2026

scout-ci

★ 3
@uroshp

Self-verifying AI competitive intelligence tool for PMM/GTM teams — every claim sourced, unverifiable claims cut and logged.

updated Oct 2026

ai-tools

★ 3
@ombharatiya

AI tools to help businesses and professionals be more efficient with their systems and work

updated Aug 2026

burpMCP-plus-skill

★ 3
@RamKansal

A Claude Code skill for the BurpMCP+ Burp Suite extension — triage proxy traffic, trace auth flows, hunt vulns, and kill tracker noise using 7 purpose-built LLM-friendly tools.

updated Aug 2026

cross-border-network-best-practices

★ 3
@XKHoshizora

AI Agent Skills for cross-border networking and censorship circumvention, made for ordinary users — install, harden, configure, and troubleshoot tools like 3X-UI / Xray.

updated Sep 2026

codeintel

★ 3
@pghoshal

Zoekt + SCIP + NebulaGraph + AST + Treesitter code indexer and code intelligenge for AI coding agents

updated Sep 2026

paxel-skill

★ 3
@skoppisetty

Score your own Claude Code sessions on YC Paxel's 5-axis builder rubric — locally, with Claude Haiku as the scorer. No upload, no backend.

updated Oct 2026

initialiser

★ 3
@episuarez

One command to configure Claude Code for any project — auto-detects your stack and installs the right MCP servers, skills, and tools via an interactive TUI.

updated Jun 2026

startup-skills

★ 3
@samuelcastro

Agent Skills for AI-native startup founders — a founder-playbook hub + 12 per-function skills. Adapted from Linas Beliūnas's One-Person Unicorn + Anthropic's Founder's Playbook.

updated Oct 2026
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