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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 v2.1.246 25 Aug 2026

Changing directory now re-evaluates plugins and MCP servers

You'll notice

Useful4 Signal2

MCP

Changing the session directory now re-reads plugin and MCP config and reconnects servers.

What

When a client changes the session working directory, plugin and MCP configuration is re-read for the new location. Servers whose config no longer applies are marked stale and their cache cleared, then servers reconnect or disconnect with the reason set_cwd.

Details

Plugins are re-applied without installing anything staged.
Failure here is non-fatal: it logs set_cwd: re-homing plugins/MCP for the new directory failed (continuing) and the directory change stands.
Unguarded; applies to everyone on this build.

Evidence

set_cwd: re-homing plugins/MCP for the new directory failed (continuing)

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

See this entry in the whole of v2.1.246 →