Sandbox
773 repos for c · Gemini CLIClear
portel-dev/
ncp

Natural Context Provider (NCP). Your MCPs, supercharged. Find any tool instantly, load on demand, run on schedule, ready for any client. Smart loading saves tokens and energy.

98
nostrband/
ServiceGraph

AI Agent skills to access structured datasets for startup founders

62
marcusgoll/
Spec-Flow

Turn product ideas into production launches with Spec-Driven Development. Repeatable Claude Code workflows with quality gates, token budgets, and auditable artifacts.

92

MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

124
callstack/
agent-device

Mobile app automation and verification for AI coding agents. CLI, MCP server, and typed Node.js API for iOS, Android, HarmonyOS, TV, web, macOS, and Linux.

4.5k
jgravelle/
jdatamunch-mcp

Token-efficient MCP server for tabular data retrieval. Index CSV/Excel files, query rows, aggregate — 99%+ token savings vs raw file reads.

81
eugeniughelbur/
obsidian-second-brain

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.

4.4k

Airtable integration for AI-powered applications via Anthropic's Model Context Protocol (MCP)

87

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

6.4k
call518/
MCP-OpenStack-Ops

90+ production-safe OpenStack tools for AI agents via MCP. Project-scoped & read-only by default. Works with Claude, Open WebUI & any MCP client. FastMCP + OpenStack SDK. Available on PyPI, Docker Hub & Smithery.

44
AnkleBreaker-Studio/
unity-mcp-server

Unity MCP Server — 268 tools for AI-assisted game development. Connect Claude, Cursor, or any MCP client to Unity Editor & Unity Hub. Scene management, GameObjects, components, builds, profiling, Shader Graph, Amplify, terrain, physics, NavMesh, animation, MPPM multiplayer & more. Free & open source by AnkleBreaker Studio.

416

A Free, Open Source MCP server for dynamic custom persona management with public a GitHub collection of personas, skills, templates, and other elements for AI models.

41
membranedev/
application-skills

A large set of app-specific Agent Skills for connecting agents to common SaaS tools.

268

Grounded Docs MCP Server: Open-Source Alternative to Context7, Nia, and Ref.Tools

1.7k
MCPJam/
inspector

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.

2.2k

The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management, AI second brain, and durable Claude Code / Codex / OpenClaw memory.

683
ScaleBrick/
founder-marketing-skills

Open-source marketing skills for founders. Keyword research, growth strategy, social search audit, competitor analysis. Install with npx skills.

95
stablyai/
orca

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.

66k

Cover your Mac screen with a hotkey while AI agents keep running. Dog/cat mascot, native Settings, Touch ID unlock.

150
bocato/
swift-testing-agent-skill

Agent Skill providing expert Swift Testing guidance for AI coding tools: covering test doubles, fixtures, async patterns, XCTest migration, and testing best practices.

80
fastly/
mcp
fastly/mcpConnectors

Model Context Protocol (MCP) server for AI-powered Fastly CDN management.

39