perf: lazy-load CLI command modules to reduce startup time#621
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MrRealORG wants to merge 1 commit into
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perf: lazy-load CLI command modules to reduce startup time#621MrRealORG wants to merge 1 commit into
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…o#520) All 22 CLI command modules (run, serve, web, agent, providers, etc.) were eagerly imported at the top of src/index.ts. Each command pulls in heavy transitive dependencies (tool registry, provider system, app-runtime, SDK, MCP client, etc.) even when the command is not being executed. This change introduces a helper that creates a lightweight command module stub containing only the command name and description. The full module is dynamically imported only when yargs matches and executes that specific command. This means running or no longer loads the entire tool/provider/agent stack. Additionally, ClaudeImport is now dynamically imported inside the middleware callback instead of at the top level, since it only runs once per install. Addresses: XiaomiMiMo#520
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Summary
Closes #520
All 22 CLI command modules (, , , , ,
Usage: mcp [OPTIONS] COMMAND [ARGS]...
MCP development tools
╭─ Options ────────────────────────────────────────────────────────────────────╮
│ --help Show this message and exit. │
╰──────────────────────────────────────────────────────────────────────────────╯
╭─ Commands ───────────────────────────────────────────────────────────────────╮
│ version Show the MCP version. │
│ dev Run an MCP server with the MCP Inspector. │
│ run Run an MCP server. │
│ install Install an MCP server in the Claude desktop app. │
╰──────────────────────────────────────────────────────────────────────────────╯, etc.) were eagerly imported at the top of . Each command pulls in heavy transitive dependencies (tool registry with 12+ tools, provider system, app-runtime with ~50 service layers, SDK, MCP client, etc.) — even when the user is only running , , or the default TUI command.
Changes
New:
A helper that creates a lightweight yargs stub containing only:
The full command module is dynamically imported only when yargs matches and executes that specific command. The helper is compatible with yargs 18's synchronous path (all accessed properties return synchronously).
Modified:
Impact