Explain and help configure the subagent-mcp addon in Claude Code and Codex without any API dependency. Use when the user says "smcp help", "subagent-mcp help", "/smcp:help", "how do I configure providers", "routing table", "what is subagent-mcp", "swarm", or "sub-orchestrator". Covers marketplace and npm-global install, providers.jsonc slot semantics, .env key setup, the doctor/rollback/upgrade CLI commands, and the agentic-swarm workflow.
$npx -y skills add heretyc/subagent-mcp --skill smcp-helpInstalls into the current project.
Run `npx skills use "https://github.com/heretyc/subagent-mcp" --skill "heretyc/subagent-mcp/smcp-help"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/heretyc/subagent-mcp" that are relevant to the current task. Run `npx skills add "https://github.com/heretyc/subagent-mcp"` and select the relevant skills, then follow their instructions.