Open Agent SDK Skill by ara.so — Daily 2026 Skills collection. Open Agent SDK ( ) is a fully open-source, in-process AI agent framework for TypeScript/Node.js. It runs the complete Claude Code agent engine directly — no local CLI subprocess required — making it suitable for cloud servers, serverless functions, Docker containers, and CI/CD pipelines. It is API-compatible with . --- Installation Requires Node.js 18+. --- Authentication & Configuration Set the Anthropic API key as an environment variable: Or use a third-party provider (e.g. OpenRouter): These can also be passed programmatically…