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HomeDocsClaude Code CLI 1 Sep 2026
One change · claude-code

Connect Claude Code to tools via MCP changedmcp

Nearest release: v2.1.257, published 2 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
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From line 960 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits100to this page, all time

The whole hunk

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960960* **Removed**: a server in a project `.mcp.json` or in a plugin, and an inline server in an agent file from your project or from an `--add-dir` directory
961961* **Not removed**: a server at [user](#user-scope) or [local scope](#local-scope), in [managed MCP](/docs/en/managed-mcp), from a [claude.ai connector](#use-mcp-servers-from-claude-ai), or supplied by the SDK or [`--mcp-config`](/docs/en/cli-reference), and an inline server in an agent file from `~/.claude/agents/`, from managed settings, or passed with `--agents`
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963Apart from Git's `GIT_CONFIG_KEY_<n>` variables, Claude Code removes every variable from your environment whose name has `TOKEN`, `SECRET`, `PASSWORD`, `PASSWD`, `PASSPHRASE`, `KEY`, `AUTH`, `COOKIE`, `PAT`, `DSN`, `CREDENTIAL`, or `CREDENTIALS` as one of its underscore-separated parts, in either letter case, such as `ANTHROPIC_API_KEY` or `MY_REGISTRY_TOKEN`. Claude Code also removes a fixed list of credential variables whose names don't follow that pattern, such as `ANTHROPIC_CUSTOM_HEADERS`.
963Apart from Git's `GIT_CONFIG_KEY_<n>` variables, Claude Code removes every variable from your environment whose name looks like a credential, such as a name with `TOKEN`, `SECRET`, `PASSWORD`, `KEY`, or `AUTH` in it in either letter case, so `ANTHROPIC_API_KEY` and `MY_REGISTRY_TOKEN` are both removed. Claude Code also removes a fixed list of credential variables whose names don't follow that pattern, such as `ANTHROPIC_CUSTOM_HEADERS`.
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965965When this applies to your helper, have the script read its credential from a file or a credential store. If the server's `url` [expands one of these variables](#environment-variable-expansion-in-mcp-json), the `CLAUDE_CODE_MCP_SERVER_URL` value the helper receives has that part replaced with `REDACTED` as well.
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