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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
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Claude Code v2.1.222 ·

MCP server panel explains a rejected claude.ai session token

An MCP server rejecting your login token now tells you to run /login and reconnect.

Use it now Improvements
JSON All of v2.1.222
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.222,
What probably matters to youSection of the release
What

A connected MCP server whose discovery bearer token was rejected now tells you to re-login instead of showing a generic tools-list failure.

Details
  • A dedicated Issue line instructs you to run /login and then reconnect.
  • The generic tools-list error is suppressed in that specific case.
Evidence

claude.ai rejected the session token. Run /login, then reconnect.

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

Read from
Names in the bundle/login
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed claude.ai connectors being falsely marked as needing authorization when the session token is invalid — they now show a /login hint…

See this entry in the whole of v2.1.222 →

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