Week 26 · June 22–26, 2026 changedwhats-new/2026-w26
Nearest release: v2.1.260, published an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 4 Sep 2026 00:23 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 20 Oct 2026 18:37 UTC.
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33> Authenticate MCP servers from your shell with claude mcp login, get a response to shell mode command output with the ! prefix, and resume a conversation from before /clear with /rewind.
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5<div className="digest-meta">
6 <span>Releases <a href="/docs/en/changelog#2-1-185">v2.1.185 → v2.1.193</a></span>
7 <span>2 features · June 22–26</span>
8</div>
5Releases [v2.1.185 → v2.1.193](/docs/en/changelog#2-1-185)
62 features · June 22–26
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10<div className="digest-feature">
11 <div className="digest-feature-header">
12 <span className="digest-feature-title">Authenticate MCP servers from the CLI</span>
13 <span className="digest-feature-pill">v2.1.186</span>
14 </div>
8Authenticate MCP servers from the CLI
9v2.1.186
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16 <p className="digest-feature-lede">New `claude mcp login <name>` and `claude mcp logout <name>` commands authenticate a configured MCP server from your shell instead of the interactive <code>/mcp</code> menu. `claude mcp login` runs the server's OAuth flow directly, and `claude mcp logout` clears the stored credentials.</p>
11New `claude mcp login <name>` and `claude mcp logout <name>` commands authenticate a configured MCP server from your shell instead of the interactive `/mcp` menu. `claude mcp login` runs the server's OAuth flow directly, and `claude mcp logout` clears the stored credentials.
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18 <p className="digest-feature-try">Run the OAuth flow for a configured server without opening a session:</p>
13Run the OAuth flow for a configured server without opening a session:
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20 ```bash terminal theme={null}
21 claude mcp login sentry
22 ```
15```bash terminal theme={null}
16claude mcp login sentry
17```
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24 <a className="digest-feature-link" href="/docs/en/mcp#authenticate-from-the-command-line">Authenticate from the command line</a>
25</div>
19[Authenticate from the command line](/docs/en/mcp#authenticate-from-the-command-line)
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27<div className="digest-feature">
28 <div className="digest-feature-header">
29 <span className="digest-feature-title">Shell mode responds to command output</span>
30 <span className="digest-feature-pill">v2.1.186</span>
31 </div>
21Shell mode responds to command output
22v2.1.186
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33 <p className="digest-feature-lede">Commands you run with the <code>!</code> prefix now get a response from Claude once the output lands in the transcript, so you can run <code>! npm test</code> and get an explanation of the failures without a second prompt. The response costs the same as sending a normal prompt. To keep the earlier behavior, where the output is added to context without a response, set <code>respondToBashCommands</code> to <code>false</code> in <code>settings.json</code>.</p>
24Commands you run with the `!` prefix now get a response from Claude once the output lands in the transcript, so you can run `! npm test` and get an explanation of the failures without a second prompt. The response costs the same as sending a normal prompt. To keep the earlier behavior, where the output is added to context without a response, set `respondToBashCommands` to `false` in `settings.json`.
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35 <p className="digest-feature-try">Run a command and get a response to its output:</p>
26Run a command and get a response to its output:
3627
37 ```text Claude Code theme={null}
38 > ! npm test
39 ```
28```text Claude Code theme={null}
29> ! npm test
30```
4031
41 <a className="digest-feature-link" href="/docs/en/interactive-mode#shell-mode-with-prefix">Shell mode with the ! prefix</a>
42</div>
32[Shell mode with the ! prefix](/docs/en/interactive-mode#shell-mode-with-prefix)
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44<div className="digest-wins">
45 <p className="digest-wins-title">Other wins</p>
34Other wins
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47 <div className="digest-wins-grid">
48 <div><code>/rewind</code> can now resume a conversation from before <code>/clear</code> was run</div>
49 <div>New <code>sandbox.credentials</code> setting blocks sandboxed commands from reading credential files and secret environment variables</div>
50 <div>Org-configured model restrictions now apply to the model picker, `--model`, <code>/model</code>, and <code>ANTHROPIC\_MODEL</code>, with a "restricted by your organization's settings" message when a restricted model is selected</div>
51 <div>New <code>autoMode.classifyAllShell</code> setting routes all Bash and PowerShell commands through the auto-mode classifier, and denial reasons now show in the transcript, the denial toast, and <code>/permissions</code></div>
52 <div>New <code>claude\_code.assistant\_response</code> OpenTelemetry log event carries the model's response text; deployments that already log prompt content start receiving it on upgrade, so set <code>OTEL\_LOG\_ASSISTANT\_RESPONSES=0</code> to keep prompts only</div>
53 <div>Background subagents now surface permission prompts in the main session instead of auto-denying; the dialog shows which agent is asking, and Esc denies only that tool</div>
54 <div><code>/install-github-app</code> can now install only the GitHub App and skip the Actions workflow and secret steps</div>
55 <div>Hosts you allow in the sandbox network permission dialog are remembered for the rest of the session instead of re-prompting on every connection</div>
56 <div>Streaming responses use about 37% less CPU, and long-session memory growth from the terminal output cache is reduced</div>
57 <div>`/review <pr>` now uses the same review engine as <code>/code-review medium</code></div>
58 <div>Bash mode <code>!</code> commands get live file path autocomplete</div>
59 </div>
60</div>
36`/rewind` can now resume a conversation from before `/clear` was runNew `sandbox.credentials` setting blocks sandboxed commands from reading credential files and secret environment variablesOrg-configured model restrictions now apply to the model picker, `--model`, `/model`, and `ANTHROPIC_MODEL`, with a "restricted by your organization's settings" message when a restricted model is selectedNew `autoMode.classifyAllShell` setting routes all Bash and PowerShell commands through the auto-mode classifier, and denial reasons now show in the transcript, the denial toast, and `/permissions`New `claude_code.assistant_response` OpenTelemetry log event carries the model's response text; deployments that already log prompt content start receiving it on upgrade, so set `OTEL_LOG_ASSISTANT_RESPONSES=0` to keep prompts onlyBackground subagents now surface permission prompts in the main session instead of auto-denying; the dialog shows which agent is asking, and Esc denies only that tool`/install-github-app` can now install only the GitHub App and skip the Actions workflow and secret stepsHosts you allow in the sandbox network permission dialog are remembered for the rest of the session instead of re-prompting on every connectionStreaming responses use about 37% less CPU, and long-session memory growth from the terminal output cache is reduced`/review <pr>` now uses the same review engine as `/code-review medium`Bash mode `!` commands get live file path autocomplete
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6238[Full changelog for v2.1.185–v2.1.193 →](/docs/en/changelog#2-1-185)
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