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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Approving .mcp.json servers no longer drops concurrent additions

Approving servers from a project's .mcp.json no longer loses approvals added at the same time

You'll notice Bug Fixes
JSON All of v2.1.281
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
Bug FixesKind: in v2.1.281,
Bug FixesSection of the release
What

When you approve servers from a project's .mcp.json file, Claude Code adds them to enabledMcpjsonServers in your local settings. Before this fix, the new names were merged into a copy of the settings taken earlier. They are now merged into the settings as they stand at the moment of writing.

Why

If other approvals were saved in between, they are no longer overwritten. Every server you approved stays approved.

Read from
Names in the bundleenabledMcpjsonServers
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Confirmed since Anthropic's documentation has since written up enabledMcpjsonServers, on Connect Claude Code to tools via MCP. `claude mcp list` and `claude mcp get` read `.mcp.json` approvals only from settings files that aren't checked into the repository until you trust the workspace by running `claude` in it and accepting the workspace trust dialog. A cloned r… mcp see the edit
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up enabledMcpjsonServers, on Connect Claude Code to tools via MCP.
Anthropic's release notes agreeAdded MCP server checks to claude plugin validate: it reports .mcp.json entries that would be silently dropped at load, undeclared…

See this entry in the whole of v2.1.281 →

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