feat: add MCP Hub CLI commands (mcp-servers, mcp-tools, mcp-call) - #25
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Add CLI commands to list MCP servers, list a server's tools, and call a tool, backed by the opera_list_mcp_servers / opera_list_mcp_tools / opera_call_mcp_tool bridge tools. Treat MCP Hub as a streamed Opera AI tool, map MCP-specific failures to new error codes, and document the commands in README, SKILL, and CLAUDE (exit-code tests updated to cover new ErrorCodes).
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Summary
Adds three CLI commands for interacting with the browser's MCP Hub:
mcp-servers— list MCP servers registered in the browser (requires Opera Neon)mcp-tools --server <name>— list tools exposed by a servermcp-call --server <name> --tool <name> [--params '{...}']— execute a tool on a serverChanges
src/cli.ts— new handlers + command registration + help entries; MCP Hub listed as a tool surface requiring Opera Neon.src/bridge.ts/src/client.ts— treatopera_call_mcp_toolas an Opera AI (streamed) tool; map MCP-specific failures to new error codesEXTENSION_NOT_FOUND,NOT_FOUND,SERVER_DISCONNECTED.ErrorCodes added toEXIT_CODES(per the caller contract) and covered intest/exit-codes.test.ts.Testing
tsc --noEmitclean;npm run buildsucceeds.Note: applied the provided
opera-browser-cli.txtpatch (resolved minor context drift) and added the required exit-code plumbing the patch omitted.