Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widgets, ChatGPT plugin, Claude MCP server, SDKs (Python, TypeScript, Go, React, PHP). AI/LLM ready. Vibe coding friendly. Open source.

im busy building ai agents so why not let an ai talk to my girlfriend? (i am single)

Free, open-source SQL Server performance monitoring — 32 collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS.

One-stop handbook for building, deploying, and understanding LLM agents with 60+ skeletons, tutorials, ecosystem guides, and evaluation tools.

This server enables users to send emails through various email providers, including Gmail, Outlook, Yahoo, Sina, Sohu, 126, 163, and QQ Mail. It also supports attaching files from specified directories, making it easy to upload attachments along with the email content.

A code-first, composable SDK to build powerful AI agents

Entroly-Daemon: Self-Evolving Daemon. Compress 2M-token repos into a razor-sharp Principal Engineer's context. 85–99% fewer tokens, 100% accuracy retention (verified by live API benchmarks). Built for Cursor, Claude Code, Opus, Codex, GPT & Custom Providers.

SAFE-MCP is a comprehensive security framework for documenting and mitigating threats in the AI Agent ecosystem.

"AnyTool: Universal Tool-Use Layer for AI Agents"

Run MATLAB® using AI applications with the official MATLAB MCP Server from MathWorks®. This MCP server for MATLAB supports a wide range of coding agents like Claude Code® and Visual Studio® Code.

AI agent skills for the Universal Registry - search, chat, and register 72,000+ agents across 14+ protocols. Works with Claude, Codex, Cursor, OpenClaw, and any AI assistant.

2025 年 AI 编程助手实战项目（作者：程序员鱼皮），基于 Spring Boot 3.5 + Java 21 + LangChain4j + AI 构建智能编程学习与求职辅导机器人，覆盖 AI 大模型接入、LangChain4j 核心特性、流式对话、Prompt 工程、RAG 检索增强、向量数据库、Tool Calling 工具调用、MCP 模型上下文协议、Web 爬虫、安全防护、Vue.js 前端开发、SSE 服务端推送等企业级 AI 应用开发技术。帮助开发者掌握 AI 时代必备技能，熟悉 LangChain 框架，提升编程学习效率和求职竞争力，成为企业需要的 AI 全栈开发人才。

The open agent control plane. Govern autonomous AI agents with pre-execution policy enforcement, approval gates, and audit trails. Works with LangChain, CrewAI, MCP, and any framework.

Live data for AI agents — search, research, markets, crypto, X/Twitter. Pay-per-call via x402 micropayments.

OS-agnostic, model-agnostic desktop automation server. Gives any AI agent eyes, hands, and ground-truth verification on Windows, macOS, and Linux.

AI‑powered YouTube uploader—no CLI, no YouTube Studio.

🤖 AI-Powered MCP Server for Polymarket - Enable Claude to trade prediction markets with 45 tools, real-time monitoring, and enterprise-grade safety features

The official HOL SDK for Go, implementing the Hiero Consensus Specifications (https://github.com/hiero-ledger/hiero-consensus-specifications). See official documentation found in https://hol.org/docs/standards

AI Agent 教学仓库 | 系统化 LangChain、RAG、LangGraph、MCP 全栈实战代码 | 万字博客详解 | 开源可运行示例 | 从零构建智能体

Agentic RAG for any scenario. Customize sources, depth, and width

CLI tool and Kubernetes Controller for building, testing and deploying MCP servers

Fast-track AI innovation with a centralized, trusted, curated registry

Plugin suite + bundled MCP servers for Claude Code. Full delivery lifecycle: Agile pipeline with multi-model AI review, project bootstrap, documentation generation, codebase audits, performance optimization, community workflows. Includes hex-line (hash-verified editing), hex-graph (code knowledge graph), and hex-ssh (remote SSH) MCP servers.

Bringing Human Capabilities to AI Agents