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

lizard-studio

★ 7
@lizard-build

Claude Code Chrome extension — runs the real Claude Code CLI locally, with the chat in your browser's side panel. Claude gets browser tools over MCP (DOM, console, network, screenshot, click, type) plus an on-page design toolkit. Local only, no telemetry.

updated Oct 2026

goal-writer

★ 7
@NicholasSpisak

Portable /goal-writer agent skill for Claude Code and OpenAI Codex — drafts goal+rider document pairs (≤4,000-char goal + phased rider) per goal-engineering best practices

updated Jul 2026

lorcana-mcp

★ 7
@IcaroBichir

Connect Claude to Disney Lorcana card data: enrich TCGPlayer exports, look up cards, search the card pool, and analyze/build decks.

updated Oct 2026

teachme

★ 7
@beret21

Teach Me — /teachme: turn any topic into a themed, searchable handbook or study material in your language, verified and published to GitHub Pages.

updated Oct 2026

persian-skill

★ 7
@Mojtaba-Alehosseini

Claude skill for English↔Persian (Farsi): idiomatic translation, stripping the machine-translated and AI fingerprint out of Persian, and text mechanics (RTL, ZWNJ/نیم‌فاصله, ی/ک, digits, punctuation). Portable prompt included for ChatGPT and Gemini.

updated Sep 2026

remotion-starter

★ 7
@vibe-motion

用 Claude Code 指挥 Remotion 出视频的工作台脚手架:三层架构 + hooks 守规矩 + skills 编排流程 | maintained by 陈与小金

updated Sep 2026

salary-negotiation

★ 7
@yanliudesign

Claude skill for salary negotiation — turn any offer letter into an executable HTML playbook: diagnosis, leverage map, phone/email scripts, 2-round counter simulation, and 3 stop-lines. 4th sibling of the offer-toolkit bundle.

updated Oct 2026

designing-loops

★ 7
@edwluo

Claude Code skill: pick the right loop type (/goal, /loop, /schedule) and write stop conditions that actually hold. From the Claude Code team's loops taxonomy + real overnight autonomous runs.

updated Aug 2026

super-status

★ 7
@orassayag

A Bash statusline for Claude Code: model, git state, context window, 5-hour and weekly plan limits, subscription cycle, cost, tokens, cache ratio, LOC, plus live tool, subagent and todo activity in compact labeled lines. Subscription, API-key, Bedrock, Vertex and OpenRouter backends; JSON config for presets, layouts, colors and thresholds.

updated Oct 2026

oncoskill

★ 7
@VladShifter

Free, open-source toolkit (Anthropic Agent Skill) for cancer patients, their caregivers, and anyone organizing treatment — runs the operational side around the doctors: documents, consultations, next steps, second opinions, cross-border care. Not an AI doctor.

updated Sep 2026

mcp-bastion

★ 7
@Gowthaman90

Reliability & security proxy for the Model Context Protocol (MCP). Self-healing connections, runtime tool-poisoning/shadowing defense, and NIST AI RMF + OWASP LLM Top-10 audit trails for any MCP server. Works with Claude, Cursor, Cline, Windsurf.

updated Oct 2026

domain-blacklist-DNS-check

★ 7
@yheshamx

Check domains for email blacklists (Spamhaus, URIBL, SURBL, ZEN, SpamCop, Barracuda) + missing SPF/DKIM/DMARC. Pure DNS, zero deps, no API keys. Ships as a Claude Code skill + standalone CLI.

updated Sep 2026

x-growth-stack

★ 7
@apcornation

A Claude skill that runs a proven X (Twitter) growth playbook — rewrites your bio, finds trends to ride, surfaces who to reply to, and drafts native-style posts by reading your own logged-in X. Based on a real +1,000 followers in 2 weeks.

updated Jul 2026

skillsboard

★ 7
@TommyBez

Skills Board, the agent-native skills registry for teams. Free forever.

updated Oct 2026

talisman-skill

★ 7
@jeunecraack

Talisman — turn a codebase into a beautiful, brand-styled PDF guide (LaTeX→PDF). An agent skill that works with any coding AI agent. Install: npx skills add atexy4ba/talisman-skill

updated Sep 2026

reportme

★ 7
@beret21

Report Me — /reportme: turn a topic or your materials into a single self-contained interactive HTML report (tabs · drawers · heatmaps · light/dark · multilingual), verified by a multi-agent harness. Local-first; optional GitHub Pages publish.

updated Oct 2026

mastering-claude-code

★ 7
@cuongnbms

Cẩm nang thực chiến Mastering Claude Code (tiếng Việt): 16 chương biên soạn từ tài liệu chính thức của Anthropic — CLI, workflows, MCP, subagents, skills, hooks, plugins, CI/CD & tối ưu context.

updated Aug 2026

resume-studio

★ 7
@Sidgit11

Claude skill that builds a permanent memory of your career and tailors an ATS-safe, evidence-backed resume for every job you apply to. 2-click install.

updated Sep 2026

grask

★ 7
@imkp1

One question about your own code, when you finish coding. A SessionEnd hook for Claude Code that asks you about the mechanism you just shipped.

updated Sep 2026

zotero-agent

★ 7
@alex-roc

Full local control of your Zotero library — from your terminal or your AI agent. No cloud, no API key. CLI + MCP server + bridge plugin.

updated Sep 2026

open-claude-all

★ 7
@BK202503

Harness engineering for Claude Code and Codex CLI: skills and hooks for clean PRs, safe writes, and impact analysis.

updated Sep 2026

brainiphy

★ 7
@rvst312

Turn a business's scattered data into a queryable knowledge graph — and plug it straight into Claude. A macOS CLI and Claude Code skill, built on graphify.

updated Sep 2026

hidden-text-detector

★ 7
@wppoland

Detects hidden text and prompt injection in PDF and DOCX documents: white-on-white text, sub-legible fonts, off-page text, invisible render mode and invisible Unicode characters.

updated Oct 2026

cc-skill-usage

★ 7
@FlorianBruniaux

Retroactive Claude Code Skill usage analytics. Single-file Python CLI, reads your existing ~/.claude transcripts, counts real Skill tool_use invocations (not prose mentions). No hook to install ahead of time.

updated Oct 2026
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