https://github.com/sst/opencode
https://github.com/github/copilot-cli
https://github.com/openai/codex
https://github.com/block/goose
https://github.com/anthropics/claude-code
https://github.com/google-gemini/gemini-cli
https://cursor.com/cli
https://factory.ai/product/cli
https://ampcode.com/manual#cli
https://aaif.io/
https://agents.md/
https://github.com/modelcontextprotocol