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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.242 ·

Plugins can carry a server-issued id in a sidecar file

A plugin can now carry a server-issued id in a file next to it, tying it to a server record.

Under the hood No documentation found Internal Changes
JSON All of v2.1.242
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
PluginsArea: what it touches
Internal ChangesKind: in v2.1.242,
What probably matters to youSection of the release
What

The loader now reads a JSON file sitting next to a plugin and accepts a server_plugin_id from it, letting a plugin be tied back to a server record.

Details
  • The id must match plugin_ followed by up to 64 alphanumeric characters.
  • A sidecar that is not valid JSON, is not an object, or has a missing or malformed id is logged and ignored, and the plugin still loads.
  • Read whenever the sidecar exists; nothing gates it.
Evidence

server_plugin_id

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

Read from
Names in the bundleserver_plugin_id

See this entry in the whole of v2.1.242 →

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