What probably matters to youSection of the release
What
The 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.
Details
Applies to the claude mcp add-json subcommand.
The transport is taken from the JSON you pass, so the wider list tells you which kinds of server definitions are accepted.
Evidence
Add an MCP server (stdio, SSE, HTTP, or WebSocket) with a JSON string
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Usage
claude mcp add-json myserver '{"type":"http","url":"https://example.com/mcp"}'
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed /mcp reconnect on Remote Control showing a generic withheld-detail error instead of the real remedy when a server was disabled in…