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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 v2.1.248 27 Aug 2026

MCP channel-enable failures no longer print the raw server name

You'll notice

Useful2 Signal2

MCP

MCP channel-enable errors hash the server name, and "not connected" no longer fails silently.

What

Errors from enabling an MCP channel now hash the server name before showing it, and the "not connected" case reports an error rather than failing silently.

Evidence

is not plugin-sourced; channel_enable requires a marketplace plugin

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

See this entry in the whole of v2.1.248 →