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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.0

Double-Dash Argument Separator for MCP Commands

What

The claude mcp add command now supports -- to separate the command from its arguments.

Usage
claude mcp add myserver -- node server.js --port 3000
Details
  • Allows cleaner separation when MCP server commands have their own arguments
  • Arguments after -- are passed directly to the server command
Evidence

ZC9() at line 535512 (contains "--" && Q.length > 0)

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.0 →