Sandbox
689 repos for open · Any agentClear
osovv/
grace-marketplace

GRACE (Graph-RAG Anchored Code Engineering): open Agent Skills for contract-driven AI code generation with semantic markup, knowledge graphs, and support for Claude Code, Codex CLI, and Kilo Code.

240
brandu-mos/
konquest-meta-ads-mcp

57-tool supervised Meta Ads MCP server for Claude Code. Open-core: full CRUD, multi-asset ads, targeting, diagnostics, safety gates. Premium adds 41 tools: optimization engine, vault intelligence, copy generation.

43
nota-america/
forgecat-agent-profiles

Production-ready AI agent profiles for Claude Code, Cursor, Codex, OpenClaw, and Hermes. Search, install, and contribute ForgeCat packages.

66

Open-source AI study companion — Google Classroom sync, Gemini AI plans, SRS flashcards, GPA predictor, AI quiz, MCP server for Claude Code. Try demo at shiori-v1.vercel.app

44

MCP Aggregator, Orchestrator, Middleware, Gateway in one docker

2.7k
BennettSchwartz/
membrane
BennettSchwartz/membraneFrameworks & SDKs

A selective learning and memory substrate for agentic systems — typed, revisable, decayable memory with competence learning and trust-aware retrieval.

95
agentvitals/
checkup

AgentVitals Checkup (/checkup) — an AI agent skill that gives your agent a professional health checkup: dual-axis Stability + Welfare scoring, a personality-style title, and a public cross-platform leaderboard. One-line install for Claude Code / OpenClaw / Codex / Coze. Bilingual EN/ZH.

95
risingwavelabs/
box0

Open-Source Platform for Subagents and Agent Teams. Long-running, collaborative, proactive.

81
RyjoxTechnologies/
Octopoda-OS

The open-source memory and observability layer for AI agents — persistent memory, loop detection, hash-chained audit trails, and a live dashboard, automatic on pip install.

490
vellum-ai/
vellum-assistant

An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets better over time.

1.2k
JimLiu/
baocut

Open-source Agent Skill that drives the BaoCut macOS app CLI (transcribe · subtitle · translate · cut) from Claude Code, Codex, and other agents

491
CelestoAI/agentorFrameworks & SDKs

Open source version of Claude Managed Agents. Fastest way to build and deploy reliable AI agents, MCP tools and agent-to-agent.

205

13 installable skills for Claude Code, OpenAI Codex, and Hermes, for finding your unknowns before they get expensive: blindspot pass, brainstorms, interviews, references, plans, notes, pitches, a merge quiz, plus a context audit, agent interface design, and progressive disclosure.

328
michael-denyer/
pstack-claude

Claude Code, Codex, OpenCode, Gemini, and Prime Agent versions of Poteto's pstack. Rigorous agent workflows with Cursor primitives translated to other agents.

316
API-200/
api200

API 200 is an open source API gateway to simplify 3rd-party integrations. Import endpoints, set up caching, retries, and mocks. Access all services via one URL. Monitor logs, track errors, and get alerts on API incidents.

256

你的随身 AI 剪辑搭档 | Pocket AI co-editor for video montage — AI video editing plugin & MCP server for Claude Code, Codex, Hermes & OpenCode

132
liliu-z/
stashbase

Turn your local files into a Wiki for your agents. Open-source and local-first.

605
trip2g/
trip2g
trip2g/trip2gConnectors

Open-source MCP knowledge mesh - self-host your second brain, expose it to AI agents, federate with peers.

38
webiny/webiny-jsFrameworks & SDKs

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

8k
UseOSINT/
Skills

28 OSINT Agent Skills that turn Cursor, Claude & AI coding agents into a full open-source intelligence platform — reconnaissance, attribution, GEOINT, breach checks & due diligence. Ethical, sourced, passive-first.

33
google/adk-goFrameworks & SDKs

An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

8.8k
getnao/
sylph
getnao/sylphHarnesses

The open-source company brain. Run your entire company with AI agents, skills, and a self-improving context.

196