Project Setup
nexus init .Claude Code — sets up .claude/ + knowledge/ + .mcp.json
nexus init . --tool opencodeOpenCode — sets up .opencode/ + knowledge/ + opencode.json
nexus updateupdate to latest version
nexus syncsync built-in skills & agents to latest (keeps custom files)
nexus doctorvalidate project setup — tools, skills, MCP config, graphify
nexus --versionshow installed version
Skills
nexus skill listshow all skills in .claude/commands/
nexus skill add <name>create a custom skill
Agents
nexus agent listshow all subagents in .claude/agents/
nexus agent add <name>create a custom subagent
Rules
nexus rule listshow all rules in knowledge/rules/
nexus rule add <name>create a project rule
Day 0 Skills (in Claude Code)
/scaffoldone-time project setup — EVALUATE → PLAN → APPLY → VALIDATE
Day 1 Skills (in Claude Code)
/evaluate <task>orient, load context, check blast radius
/planblueprint — no code yet, wait for approval
/applyimplement the approved plan
/validateverify acceptance criteria, fix blockers