Sandbox
3,523 repos for β€œr”Clear
yogthos/
Matryoshka

MCP server for token-efficient large document analysis via the use of REPL state

148
sib-swiss/
sparql-llm

🦜✨ Chat system, MCP server, and reusable components to improve LLMs capabilities when generating SPARQL queries

123
Vvkmnn/
claude-historian-mcp

πŸ“œ An MCP server for conversation history search and retrieval in Claude Code

178
gaoguobin/
codex-fast-proxy

Paused Codex App auth-split proxy experiment; future work would need a Responses-to-Chat-Completions adapter.

34
AgriciDaniel/
skill-forge

Ultimate Claude Code skill creator β€” design, scaffold, build, review, evolve, and publish production-grade AI agent skills

171
st3v3nmw/
sourcerer-mcp

MCP for semantic code search & navigation that reduces token waste

119
forloopcodes/
contextplus

Semantic Intelligence for Large-Scale Engineering. Context+ is an MCP server designed for developers who demand 99% accuracy. By combining RAG, Tree-sitter AST, Spectral Clustering, and Obsidian-style linking, Context+ turns a massive codebase into a searchable, hierarchical feature graph.

2k

πŸ”₯πŸ–₯️ MCP Memory is a MCP Server that gives MCP Clients (Cursor, Claude, Windsurf and more) the ability to remember information about users (preferences, behaviors) across conversations.

155

The memory your AI should have had from the start. Automatic capture, automatic recall, 100% local. One SQLite file, zero cloud. Works with Claude Code, Claude CLI, Cursor, Codex CLI, Gemini CLI.

378
microsoft/
mcp-for-beginners
microsoft/mcp-for-beginnersTutorials & Guides

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

17k

Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.

948
vaquarkhan/
data-engineering-agent-skills

Production-grade Agent Skills for data engineering AI agents: 73 workflows, platform presets, safe backfill/replay, Kafka & Spark reliability, MCP observability, and VS Code/JetBrains installers.

45

Emdash is the Open-Source Agentic Development Environment (🧑 YC W26). Run multiple coding agents in parallel. Use any provider.

5.7k
seakee/
CPA-Manager-Plus

A self-hosted CPA / CLIProxyAPI management panel and AI gateway observability dashboard for requests, usage, cost, quota, failures, and account health.

3.3k
alpic-ai/skybridgeFrameworks & SDKs

Skybridge is a full-stack TypeScript framework for MCP Apps and ChatGPT Apps. Type-safe. React-powered. Platform-agnostic.

2k

A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention

13k
Agents365-ai/
drawio-skill

From text & real sources to maintainable .drawio architecture models: Diagram IR with source-kind profiles, incremental sync preserving manual layout, multi-view projection, architecture-as-test with a CI action, query/review, what-if, accessible Story Mode, and a built-in MCP server

9.2k
CronusL-1141/
AI-company

Multi-agent team operating system for Claude Code. 108 MCP tools, 40+ agent templates, 10 lifecycle hooks, 7 pipeline workflows. Persistent teams, structured meetings, task wall, real-time React dashboard. No LangChain/AutoGen β€” pure CC native integration.

357

Self-hosted runtime control plane for AI agents. Observe or HITL approve or Block rogue tool calls before it executes: secret leaks, prompt injection, supply chain etc in a local dashboard. Agent agnostic (Claude, codex, langchain etc.)

342
Alisa0808/
vibe-creating-skill

Open-source, bilingual AI video-prompt skill β€” rewrite ideas into model-ready text-to-video prompts. A portable Agent Skill (Claude Code, Codex, OpenClaw, Hermes); generate via Atlas Cloud β€” Seedance 2.0, Kling, Veo, Hailuo, Wan, Vidu, Gemini Omni, Grok Imagine.

140

The open-source context layer for your AI. Catalog your tables, topics, queues and APIs then expose real metadata to your AI agents.

613
jgravelle/
jdocmunch-mcp

The leading, most token-efficient MCP server for documentation exploration and retrieval via structured section indexing

203
summerliuuu/
no-no-debug

No-No Debug β€” Self-evolution system for AI coding assistants. 10 minutes writing code, 2 hours debugging? This skill makes your AI remember all its bugs.

153