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

Stitch-MCP

0
@NatrocTeam

STDIO MCP bridge for Google Stitch. Connect any AI agent (Claude Code, etc.) to the Google Stitch design platform.

updated Jun 2026

coding-agent-handoff

0
@alejandr6360

Transform chat conversations into structured markdown briefs for your coding agent to ensure context and tasks transfer seamlessly between environments.

updated Aug 2026

claude-code-extensions

0
@imDangerous

Conventional Commits + gitmoji + optional ticket prefix, installed via curl

updated Aug 2026

claude-firefox-extension-dev-skill

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@look997

Claude Code skill: building & live-debugging Firefox WebExtensions (experiment_apis, RDP, screenshot detection)

updated Jun 2026

solana-token-extension-advisor-skill

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@snkk2x-collab

Claude Code skill for Solana Token-2022 extension planning and risk review

updated Jun 2026

claude-code-in-ide-extension

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@challa7395
updated Jun 2026

spl-token-extensions-skill

0
@Desalzes

Claude Code skill for SPL Token and Token-2022 (Token Extensions) handling on Solana

updated Jun 2026

Anthropic-Introduction-to-MCP-OpenRouter-Wrapper

0
@choppadebug

Code from Anthropic's course Introduction to Model Context Protocol with OpenRouter usage instead of Anthropic Key.

updated Jul 2026

powershell-mcp

0
@cgradusov

PowerShell 7 MCP

updated Jun 2026

claude-code-and-codex-setup-in-cursor

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@Avec1ta

These are the steps I followed to setup these extensions in Cursor.

updated Jun 2026

thespin-extensions

0
@shaferllc

Official thespin.ad agent extensions — sponsored line for Claude Code, VS Code/Cursor, Codex CLI, Gemini CLI

updated Jun 2026

skillselion-mcp

0
@skillselion

MCP server to search Skillselion's curated directory of Claude Code skills, MCP servers & plugin marketplaces, ranked by installs and GitHub stars.

updated Aug 2026

claude-code-discord-presence

0
@ashutoshswamy

A VSCode extension that shows Discord Rich Presence whenever you're using Claude Code.

updated Jun 2026

free-to-use-claude-code

0
@Rajeshwar-dev

About Use claude code and codex for free in the terminal, VSCode extension, and discord like OpenClaw (voice supported)

updated Jun 2026

mcp-server

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@m8louist12-boop

Verify AI outputs in real-time to ensure code and data accuracy before execution with this Model Context Protocol server.

updated Aug 2026

ClaudeCode-usage-statusbar-for-VSCodium

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@IrekTursunov

VSCodium status-bar extension showing live Claude Code Session (5h) and Weekly (7d) usage percentages with colored progress bars

updated Jul 2026

claude-longhorizon

0
@xniac

Long Horizon extension for claude code

updated Jul 2026

data-engineering-pipeline-with-ClaudeCode

0
@JamesDungan

Here we create an end-to-end data engineering pipeline using Claude Code via the VSCode extension

updated Jul 2026

claude-code-extensions

0
@kckunal2612

Claude Code extensions for useful, repeatable, and shareable AI-assisted workflows

updated Jul 2026

claude-codelauncher-ai-fy72

0
@capturecounselorknow

Turbo Claude Code Telegram Remote Launcher extensions | AI-ethics and neural-networks

updated Jul 2026

claude-code-ui-patch

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@zeyutang

Patch Claude Code VS Code extension UI to provide finegrained settings for various UI details (font sizes, code blocks, diff cards, and more).

updated Aug 2026

lawmatics-mcp

0
@RosenAdvertising

MCP server for Lawmatics

updated Aug 2026

claude_code_extension

0
@suryapratap95
updated Jul 2026

claude-code-orchestrator

0
@Toragonite

Run Claude Code across multiple accounts in parallel — main session designs & verifies, worker accounts implement via MCP dispatch. Quota-aware failover, per-account usage tracking. Unofficial VS Code extension.

updated Aug 2026
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