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

mcp-portal

1
@infinition

Context teleportation protocol and shared memory bus for AI assistants.

updated Aug 2026

DedupeAI

1
@riteshekbote

Burp Suite extension + port-based highlighter: dedupes HTTP history into a live unique-request feed and color-codes attacker/victim traffic by listener port (PwnFox-style) — built for Android/iOS multi-account IDOR/BOLA testing, with Magic Cookie, Match & Replace, and .http export for Claude Code / AI.

updated Jun 2026

data-analyst-agent

1
@xuchiyu1

An AI agent that analyzes CSVs from natural-language questions — it picks tools, writes & runs pandas code, self-corrects on errors, and returns answers + charts. Python · Claude · Streamlit.

updated Jul 2026

interview-feedback-copilot

1
@hsuanlolo

Evidence-grounded interview debrief synthesis tool — FastAPI + Next.js, Claude tool_use, Pydantic-gated LLM output, human-in-the-loop review. No hire/no-hire recommendation ever produced.

updated Aug 2026

agent-extension-api

1
@abolfazl-moeini

omprehensive developer documentation for extending VS Code, Cursor, Claude Code, OpenAI Codex, Anthropic Claude, xAI Grok, and MiniMax via Skills, MCP, and plugins.

updated Jun 2026

pi-model-router

1
@Davidcreador

Dynamic, task-phase model routing for Pi.

updated Jun 2026

ai-cli-cheatsheet-extension

1
@jindawn

Browser extension for offline AI CLI cheatsheet — Claude Code, Codex, Gemini, OpenCode shortcuts & commands, with auto-add via Claude Code

updated Jul 2026

odoo-pulse

1
@minhhq-a1

An AI business analyst for your Odoo ERP — one-call reports with verdicts, over MCP

updated Aug 2026

tinycoder

1
@Hritikd

A minimal coding agent in ~570 lines of Python — built to understand how tools like Cursor and Claude Code work.

updated Aug 2026

PSYCHO-Py800MCP

1
@saitoomituru

MCP bridge for oscilloscope, logic analyzer, and microscope automation. AI-driven waveform analysis and schematic-aware measurement with Claude.

updated Jul 2026

finance-agent-mcp

1
@arturio-amorim

LLM agent with finance tools (tool use), exposed as both a CLI agent and an MCP server. Claude/OpenAI · FastMCP · fully unit-tested tools.

updated Aug 2026

claude-engineering-coach

1
@nnhhoang

A native Claude Code plugin that coaches you on your AI coding — analyze local Claude Code (and Codex/OpenCode) sessions via MCP tools and /coach commands. Local-only, read-only. Not a VS Code/Copilot extension. Reuses microsoft/ai-engineering-coach (MIT).

updated Aug 2026

claude-p-gateway

1
@preston176

Self-hosted Anthropic-compatible HTTP gateway that proxies /v1/messages to a locally-authenticated `claude -p`, so a Claude.ai subscription powers your tooling instead of metered API credits.

updated Jul 2026

jeffrey-censor-extension

1
@sayhi7562

A project that wants to test Claude code by writing code to follow the prompt

updated Jun 2026

ClaudeForge

1
@cziraattila123-cell

A professional CLI tool for developers to interact with the Anthropic Claude API

updated Jun 2026

Camel

1
@AmirHosein-Lotfi

Three Claude Code skills that cut tool-call and agent overhead without touching code quality

updated Jul 2026

claude-toolbox

1
@JayOfemi

Open library of small, install-and-own Claude Code skills and commands, including a wording linter and a pre-public secret scanner.

updated Jul 2026

hpsilab-quant-finance-mcp

1
@haiyunsky

Quant finance MCP server for stock analysis, options analytics, implied volatility, Monte Carlo simulation, AI prediction, and backtesting.

updated Aug 2026

spinix-vscode

1
@pranavred

Open client source of the Spinix VS Code / Claude Code extension — pings you when your AI agent finishes and shows perks/offers on the spinner. Backend is separate.

updated Jul 2026

claude_for_phcode

1
@ryuuiro

extensión claude code para phoenix code

updated Jul 2026

agent-eval-harness

1
@tkarim45

Agent eval harness — measure task success, tool-call accuracy, step efficiency, and cost for tool-using LLM agents (Claude). Benchmark + trajectory viewer.

updated Aug 2026

resend-mcp-server

1
@blw10210

Claude generated Resend MCP Server for Claude Cowork

updated Jun 2026

claude-code-toolcall-recovery

1
@MufanQiu

Claude Code Stop hook that auto-recovers from malformed tool calls (model emits a tool call as text, e.g. dropping the antml: prefix) instead of stalling the session.

updated Jul 2026

kie

1
@aryangv

Trending dev-tool radar + Claude Code extension recommender, as a keyless MCP server for Claude Code and Cursor

updated Jul 2026
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