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

8240entries
★ starsA–Z name

fde-consultants-protocoles

1
@selectess

FDE Consultants Protocoles — open-source Forward Deployed Engineer + DeepSCR protocol: turn any coding agent (Claude Code, Codex, Cursor) into a certifying engineer with verifiable AI Assurance Scores, MCP tools, and a public trust registry. Apache-2.0.

updated Jul 2026

claude-reliable-workflows

1
@shimkovich

Adopted reliability ruleset (12-Factor Agents + Anthropic Building Effective Agents) for Claude Code Workflows: tool-grounded facts, a measured-provenance schema, and an independent verify gate to stop fabrication.

updated Jul 2026

stars-cash-flow-mcp

1
@govRosMedia

MCP server, AI skill & Hermes tool for the Stars Cash Flow reseller API — buy & manage real Telegram Stars CPA / SMM orders (subscribers, boosts, bot starts) from Claude, ChatGPT or any AI agent. JustAnotherPanel-compatible.

updated Jun 2026

opencode-compaction-guard

1
@viiqswim

OpenCode plugin: prevent & auto-recover from the 'tool_use without tool_result' error after compaction or interrupted tool calls

updated Jul 2026

claude-code-surrogate-guard

1
@InfiniteLife

Fix for Claude Code API Error 400 'invalid high surrogate in string' / 'no low surrogate' crash caused by emoji or Unicode in tool output. Zero-dependency PostToolUse hook that sanitizes UTF-16 surrogates. (issue #16294)

updated Jun 2026

mcp-garmin

1
@yashhooda1

MCP server that lets Claude read your Garmin activities and build & schedule structured workouts and training plans straight to your watch.

updated Jul 2026

claude-pdf-tools

1
@shankarcps

Remove Resumonk/watermark footers from PDF resumes in one click with Claude

updated Jun 2026

token-calendar

1
@Hanqer73

Calendar heatmap for your AI coding token spend — Claude Code, Codex, Gemini CLI or any tool. Single HTML file, 100% local, 9 languages.

updated Jul 2026

receipt

1
@noah-thing

See what your AI coding agent cost, itemized on every pull request. Token & dollar tracking for Claude Code, Cursor, Copilot, Aider & any OpenAI/Anthropic tool. Local ledger, sticky PR comment, GitHub Action, and dashboard.

updated Jul 2026

prompt-tool

1
@china-luo

收集和发布各大 AI 模型的「出厂提示词」。 包括 Anthropic 的 Claude、OpenAI 的 GPT、Google 的 Gemini、 xAI 的 Grok。

updated Jul 2026

burp-autopilot

1
@Xavrir

Drive Burp Suite autonomously from the CLI — MCP-transport client + companion Montoya extension for scans & scripted fuzzing

updated Jul 2026

claude-certification-agent-tooluse-and-endturn-poc

1
@suneelkandali

A minimal, self-contained demonstration of the **Anthropic tool-use agentic loop** pattern in Python. The agent answers customer questions about orders by calling a `lookup_order` tool (currently backed by mock data). It showcases:

updated Jul 2026

cchad

1
@Cypsy1714

Claude Chad - Initializes all the essentials (Karpathy, Superpowers, Context7), then auto-sets up only the most impactful skills, MCPs & tools each repo needs. Synced via a lockfile.

updated Jul 2026

lizard-studio

1
@lizard-build

Lizard Studio — Claude Code side panel Chrome extension

updated Jul 2026

slop-off

1
@wbso-ai

Frictionless taste — turn the slop off. Edit any page in place and ship exact before/after diffs straight to your coding agent. Chrome extension + MCP bridge, zero dependencies.

updated Jul 2026

Claude-ToolBox-Curriculum

1
@verbalogicproject-creator

Hands-on 20-chapter curriculum for Claude Code extensibility: skills, MCP servers, subagents, hooks, plugins, OAuth, testing, and Cloud Run deployment. Every chapter compounds on one anchor MCP.

updated Jul 2026

claude-session-tabs

1
@yousefkadah

Chrome-style tab management for the Claude Code VS Code extension — grouped, colored sessions with rich hover previews.

updated Jul 2026

console-to-cc

1
@chirag127

Local-only Chrome extension + Node sink that streams browser console logs to a file Claude Code reads on every prompt. No cloud.

updated Jul 2026

context-tracker

1
@conrad621

Local request viewer for Claude Code, Codex and OpenCode. Inspect prompts, tools, messages and responses in real time.Claude Code、Codex 和 OpenCode 的本地请求查看器。

updated Jul 2026

skill-aicheng-vscode-search

1
@skill-wac

skill-aicheng Claude Code conversation search VS Code extension by Skill and aicheng

updated Jul 2026

linguistai

1
@vgrigolaia

An AI-powered translation tool for GNOME (Wayland). Select text anywhere on the desktop, press a hotkey, and get a translation via Anthropic Claude or Google Gemini.

updated Jul 2026

no-hidden-changes

1
@haiggoh

A Claude Code plugin that steers Claude toward visible, honest, reversible changes — and away from hidden-state workarounds that make a tool's own UI look empty or deceptive. Optionally also available as copy-paste Custom Instructions rule.

updated Jul 2026

carbon

1
@kyonyhk

A minimal agent harness: headless agent loop, four tools, file-based sessions. The foundation you build other agents on.

updated Jul 2026

AexForge.github.io

1
@AexForge

Portfolio site for AexForge — agentic AI systems built on Claude, Anthropic tooling, and Google Workspace automation. Live projects, architecture notes, and case studies.

updated Jul 2026
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