Best AI SDK Agents Alternatives & Competitors

Marketplace to find, hire, or build AI agents for real work

Free / Open-sourceSearch and study millions of public SKILL.md agent skills

Free / Open-sourceAn open Markdown convention for telling coding agents how your project works

Free / Open-sourceDeveloper-first hub of ready-to-fork open-source AI workflows

Managed AI software delivery for maintaining, modernizing and extending your codebase

Free AI hackathons and a global community for AI builders

Free / Open-sourceSecurity-graded marketplace for Claude skills, MCP servers and AI agent tools

AI agent development studio for production-grade systems

Courses and best practices for building AI-powered products end to end

AI-powered engineering partner for custom software and data platforms

Community plugin, rule, and MCP server hub for Cursor

Free / Open-sourceOpen-source TypeScript framework where agents and UIs share one set of capabilities