{"version":"2.1.251","anchor":"claude-mcp-add-json-covers-http-and-websocket-servers","canonical_anchor":"claude-mcp-add-json-covers-http-and-websocket-servers","heading":"claude mcp add-json covers HTTP and WebSocket servers","tier":"use","area":"MCP","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.251\/e\/claude-mcp-add-json-covers-http-and-websocket-servers","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.251","markdown":"### `claude mcp add-json` covers HTTP and WebSocket servers\n\nclaude mcp add-json help now lists HTTP and WebSocket alongside stdio and SSE.\n\n**What**\n\nThe help text for adding an MCP server from a JSON string now lists stdio, SSE, HTTP and WebSocket, where it previously named only stdio and SSE.\n\n**Details**\n\n- Applies to the `claude mcp add-json` subcommand.\n- The transport is taken from the JSON you pass, so the wider list tells you which kinds of server definitions are accepted.\n\n**Evidence**\n\n`Add an MCP server (stdio, SSE, HTTP, or WebSocket) with a JSON string`\n\n**Usage**\n\n`claude mcp add-json myserver '{\"type\":\"http\",\"url\":\"https:\/\/example.com\/mcp\"}'`\n\n- Area: MCP\n- Tier: Use it now\n- Useful: 2\/5\n- Signal: 1\/5"}