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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 v2.1.116

Web Search / Connector Isolation Policy

What

Organizations can now enforce web search and connector isolation policies that restrict MCP connector access within sessions.

Details
  • When isolation is active, affected sessions see: "Connectors are unavailable in this session under your organization's web search / connector isolation policy. Start a new session to use connectors."
  • Web search similarly blocked with a parallel message
  • Isolation is enforced via an isolation latch that checks against a whitelist of MCP commands
  • Gated by enforce_web_search_mcp_isolation feature flag
Evidence

Isolation message (search for "Connectors are unavailable in this session") — d41() at line ~419266

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.116 →