List all configured MCP servers from ~/.claude.json with their configuration. By default, values inside each server's 'env' field are redacted to '***' so this tool can't be used to exfiltrate API keys stored in MCP env. Pass show_env_values=true to reveal them when you legitimately need them.

Get the full configuration for a specific MCP server by name.

Check the health of an MCP server — whether it is configured, wrapped, and its process is running.

Restart the underlying process for an MCP server by finding and killing its process. For wrapped stdio MCPs (via wrap_mcp_stdio), the wrapper will respawn automatically; otherwise you typically need to restart Claude CLI.

Restart a Codex CLI MCP server process. Works reliably only for wrapped MCPs (via wrap_codex_mcp_stdio) by killing the wrapped child PID from its pidfile; otherwise you typically need to restart Codex CLI.

Wrap a stdio MCP server so it can be restarted reliably. Updates ~/.claude.json to launch a Node wrapper that spawns the original command and respawns it when killed. Requires restarting Claude CLI to take effect.

Unwrap a previously wrapped stdio MCP server, restoring its original command. Requires restarting Claude Code to take effect.

Wrap a Codex CLI stdio MCP server (from ~/.codex/config.toml) so it can be restarted reliably. Rewrites the MCP entry to launch mcpgo's Node wrapper that respawns the original command. Restart Codex CLI to take effect.

Update the configuration of an existing MCP server. Merges provided updates into the existing config.

Remove an MCP server from the user configuration (~/.claude/mcp.json).

Add a new MCP server to the user configuration (~/.claude.json).