llama_index

Agno combines an SDK, the AgentOS runtime, and a control plane for teams building agent products in their own cloud. It keeps data, context, tools, permissions, memory, and human-review loops under the operator’s control, while providing production APIs, persistent storage, integrations, and observability for running the platform.

Claude Engineer provides CLI and web interfaces where Claude can identify a missing capability, generate the corresponding tool code, load it dynamically, and keep using it during development work. It also manages persistent conversations, context and token usage, tool chaining, and debugging output, with optional Python execution through an E2B sandbox. Its core workflow depends on Anthropic Claude 3.5, and some tools require additional service credentials.

Agentic Engineering Framework packages requirements clarification, system design, code generation, testing, and review as reusable commands, skills, and specialist agents. Teams can add project knowledge and coding standards, while smaller fixes can invoke only the troubleshooting, implementation, or performance workflow they need. The files are installed into supported coding-agent directories such as Claude Code or Codex CLI.

Kodo assigns a goal to coding backends such as Claude Code, Cursor, Codex, Gemini, or Kimi and coordinates repeated work cycles with independent verification. It can implement features, run improvement reviews, test software through realistic user workflows, and fix findings from earlier runs, with effort levels controlling how aggressively agents iterate. At least one supported coding-agent backend must be installed.