Coding harnesses

Claude Code CLI

Anthropic's terminal-native agentic coder with skills + MCP.

Overview

The canonical agent-first harness. Skills, subagents, hooks, plugins, and MCP tool servers compose into a full plan→implement→review→commit loop. Best for monorepos and production refactors when you want autonomous PR-quality output.

Best for

Large codebases
Production refactors
Autonomous PR generation
Multi-agent orchestration

Trade-offs

vs cursor

Claude Code wins on autonomy; Cursor wins on IDE ergonomics.

vs codex-cli

Claude Code's skill ecosystem is larger; Codex CLI integrates more cleanly with OpenAI's model line.

What XeroHack pre-wires

When you pick Claude Code CLI in the interview, the engine emits these files into your scaffold:

CLAUDE.md
.claude/skills
.claude/agents
.claude/commands

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