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

8261entries
★ starsA–Z name

bill4time-mcp

★ 1
@RosenAdvertising

MCP server for Bill4Time — read-only API coverage for legal billing and time tracking.

updated Oct 2026

headroom

★ 1
@nvbinh15

Menu-bar app + WidgetKit extension for Claude Code and Codex CLI rate-limit usage

updated Jun 2026

claude-extension-premiere-pro-2026

★ 1
@iprincemax72-maker

Claude Extension Premiere Pro 2026 — chat with Claude inside Adobe Premiere Pro, generate motion graphics with Remotion, drop them onto your timeline. Uses your Claude Code subscription, no API key.

updated Sep 2026

codetalker

★ 1
@OpenCircuitDev

Voice companion for Claude Code: TTS daemon (MCP-over-SSE), 6 engine adapters, 5 cadence strategies for live narration, voice-cloning sub-project, VS Code extension

updated Aug 2026

twitter-filter-skills

★ 1
@rxliuli

Claude Code skills that pair with the Twitter Filter browser extension. Paste a few x.com URLs, get import-ready filter rules.

updated Aug 2026

claude-plan-review

★ 1
@karim-mo

Inline plan-review UI for Claude Code running in the VS Code integrated terminal. Select text, attach comments, approve or request changes. Wires up via a PreToolUse hook and a local VS Code extension talking over a Unix socket.

updated Sep 2026

claudegrain

★ 1
@FlyTOmeLight

Granular Claude Code usage in your menu bar — per-repo / per-tool / per-MCP / cache-hit attribution

updated May 2026

awesome-bot-paste

★ 1
@edequalsawesome

Raycast extension that cleans up Claude Code terminal output on the clipboard. Port of simonw/tools cleanup-claude-code-paste.html.

updated May 2026

AhuehueteKokoro

★ 1
@lunitomx

Kokoro — extension de Claude Code para estrategia de marketing desde la raiz

updated Oct 2026

agent-halter

★ 1
@fgrehm

A conversation-budget extension for AI coding agents (pi only for now, claude code planned)

updated Jul 2026

claude-trading-signals

★ 1
@Daniell-pena

Generate structured trading signals from market data using Claude (Anthropic SDK). Tool use for type-safe outputs, prompt caching, and a validation layer.

updated May 2026

comfy-ctrl

★ 1
@holo-q

Remote control bridge for ComfyUI — server extension, Python client, and MCP server

updated Oct 2026

glyph-grid-studio

★ 1
@Joona-t

Real-time character-grid image renderer for macOS — GUI + CLI + MCP server. p5.js + Tauri 2 + Rust.

updated Aug 2026

Claude_API_Integration_In_Applications

★ 1
@abdulsammad2004

Hands-on implementations from Anthropic's official "Building with the Claude API" course. Covers tool use, RAG pipelines, MCP servers, agentic workflows, prompt engineering, and streaming —

updated Jul 2026

out-of-band-diffs-vscode-extension

★ 1
@SeekoeiD

Claude Code inline diff review for VS Code with editorInsets-based phantom red rows and per-hunk Accept/Revert controls

updated Jun 2026

wealthsimple-mcp

★ 1
@tatianathevisionary

Unofficial MCP server exposing the Wealthsimple Help Center to AI agents — 7 typed tools, public Zendesk JSON API only. No scraping, no auth, no account data. TypeScript + Zod-validated. Opt-in Datadog LLM Observability with privacy redaction.

updated Jun 2026

Anthropic-Skills-for-enterprise-marketing-os

★ 1
@afelipeg

30 connected Claude Skills for enterprise marketing ops. Install in-house to replace fragmented tools or reclaim outsourced operations. Marketing & Comms [working & non-working media]· CRM & Growth · Shopper & Trade · RGM · Finance.

updated May 2026

tokenometer

★ 1
@faraa2m

LLM cost calculator, token counter, latency benchmark, CI guardrail, MCP server, and VS Code/Cursor extension.

updated Jul 2026

nocode-evolve

★ 1
@3dot141

Harrison's personal Claude Code plugin: SessionStart hook injects global rules + skills/agents/MCP extension slots

updated Oct 2026

claude-api-patterns

★ 1
@koreydillon

Six runnable patterns for production apps on the Anthropic API: prompt caching, tool use loops, batch API, citations, adaptive thinking, streaming. Targets claude-opus-4-7.

updated Sep 2026

Project-Ghola

★ 1
@lxrbckl-labs

Run a modular multi-agent Claude Code dev team (TPM/SWE/QA) from a VS Code extension. Spring 2026. Archived.

updated Aug 2026

mem-fusion

★ 1
@muycoreano

Memory fusion for Claude Code — across sessions, cognitive layers, and machines. Personal memory today; group memory via the bundled Constellation extension in v0.3.0.

updated May 2026

Cairn

★ 1
@Su-Terry

Stop your AI coding agent from creating train_v3_final_FINAL.py. Cairn is a VS Code extension that marks every experiment with a stable waypoint—linking code, results, and intent—so you can find your way back when Claude Code or Cursor have been doing most of the typing.

updated Jun 2026

tabby-claude-status

★ 1
@steven-pribilinskiy

Tabby plugin for visual + audio Claude Code status, plus a companion webapp (snapshot/restore tabs, MCP tool explorer, hook event sink)

updated Sep 2026
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