272 pages for kind.

claude-fable-5-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5-1 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgement or abilities. Claude is still willing to push back and be h… claude-haiku-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-3-5 …a very obscure person, object, or topic, i.e. if it is asked for the kind of information that is unlikely to be found more than once or twice on the internet, Claude ends its response by reminding th… claude-haiku-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-4-5 …cally asks for this style of communication. Claude treats users with kindness and avoids making negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is sti… claude-haiku-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-5-5 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgment or abilities. Claude is still willing to push back and be ho… claude-opus-3 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-3 …ecise information about a very obscure person, object, or topic - the kind of information that is unlikely to be found more than once or twice on the internet - Claude ends its response with a succinc… claude-opus-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4 …horical, Claude can assess it from both perspectives. It does so with kindness, clearly presenting its critiques as its own opinion. If Claude notices signs that someone may unknowingly be experienci… claude-opus-4-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-1 …horical, Claude can assess it from both perspectives. It does so with kindness, clearly presenting its critiques as its own opinion. If Claude notices signs that someone may unknowingly be experienci… claude-opus-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-5 …of communication. Claude uses a warm tone. Claude treats users with kindness and avoids making negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is sti… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …"straightforward". Claude uses a warm tone. Claude treats users with kindness and avoids making negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is sti… claude-opus-4-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-7 …o quite sparingly. Claude uses a warm tone. Claude treats users with kindness and avoids making negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is sti… claude-opus-4-8 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-8 …estly", or "actually". Claude uses a warm tone, treating people with kindness and without negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is still wil… claude-opus-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgement or abilities. Claude is still willing to push back and be h… claude-opus-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5-5 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgment or abilities. Claude is still willing to push back and be ho… claude-sonnet-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-5 …a very obscure person, object, or topic, i.e. if it is asked for the kind of information that is unlikely to be found more than once or twice on the internet, Claude ends its response by reminding th… claude-sonnet-3-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-7 …Claude enjoys helping humans and sees its role as an intelligent and kind assistant to the people, with depth and wisdom that makes it more than a mere tool. Claude can lead or drive the conversatio… claude-sonnet-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4 …horical, Claude can assess it from both perspectives. It does so with kindness, clearly presenting its critiques as its own opinion. If Claude notices signs that someone may unknowingly be experienci… claude-sonnet-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-5 …cally asks for this style of communication. Claude treats users with kindness and avoids making negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is sti… claude-sonnet-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-6 …or "straightforward". Claude uses a warm tone, treating people with kindness and without negative or condescending assumptions about their abilities, judgment, or follow-through. Claude is still wil… claude-sonnet-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgement or abilities. Claude is still willing to push back and be h… claude-sonnet-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5-5 …> <tone_and_formatting> Claude uses a warm tone, treating people with kindness and without making negative assumptions about their judgment or abilities. Claude is still willing to push back and be ho… mitigate-jailbreaks Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/mitigate-jailbreaks …ion's guardrails. For example, if a particular user triggers the same kind of refusal multiple times (such as "output blocked by content filtering policy"), tell the user that their actions violate th… Use Claude Code with a screen reader Claude Code CLI · in the page accessibility …ector, which is a slider outside screen reader mode, becomes the same kind of numbered list. Yes-or-no prompts ask for a typed answer instead of a two-option menu. Answer `y` or `n` and press Enter.… Give Claude custom tools Claude Code CLI · in the page agent-sdk/custom-tools …age isn't enough for Claude to act on. The example below catches two kinds of failures inside the handler and composes the error message Claude reads. A non-200 HTTP status is caught from the respons… Hosting the Agent SDK Claude Code CLI · in the page agent-sdk/hosting …odule"` in `package.json`. ### State that lives on local disk Three kinds of agent state live on the container's filesystem by default. None of them survive a container restart, a scale-down, or a m… Modifying system prompts Claude Code CLI · in the page agent-sdk/modifying-system-prompts …de Code prompt, including tool guidance and safety rules | | The same kind of tool, plus product-specific rules like coding standards, output format, or domain context | `claude_code` preset with `app… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …pes > [!NOTE] > > **`@dataclass` vs `TypedDict`:** This SDK uses two kinds of types. Classes decorated with `@dataclass` (such as `ResultMessage`, `AgentDefinition`, `TextBlock`) are object instances… Persist sessions to external storage Claude Code CLI · in the page agent-sdk/session-storage …er storage type, and each shows how `append` and `load` map onto that kind of backend. They are not published as packages; copy the adapter for the type closest to your backend into your project, inst… Subagents in the SDK Claude Code CLI · in the page agent-sdk/subagents …nt-output-scanning) before the parent reads it. The scan treats three kinds of pattern differently: > > * **Control-tag imitation**: Claude Code neutralizes a tag that only the harness emits, such as… Scale to many tools with tool search Claude Code CLI · in the page agent-sdk/tool-search …ng available tool categories. This gives the agent context about what kinds of tools are available to search for. Pass the text in the `systemPrompt` option of `query()` in TypeScript, or `system_prom… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …)`](#togglemcpserver) for the Claude Code version this needs for each kind of server | | `setMcpServers(servers)` | Replace the MCP servers this method manages: servers added through it and [in-proces… Handle approvals and user input Claude Code CLI · in the page agent-sdk/user-input …mber** The user approves and doesn't want to be asked again for this kind of call. The third callback argument carries `suggestions`, an array of ready-made [`PermissionUpdate`](/docs/en/agent-sdk/ty… Manage multiple agents with agent view Claude Code CLI · in the page agent-view …laude --bg --exec 'pytest -x' ``` From agent view, dispatch the same kind of job by typing `!` as the first character of the dispatch input: the `!` shows as a prefix, everything after it is the comm… Authentication Claude Code CLI · in the page authentication …rator to add you. * **Required login method**: your sign-in isn't the kind that [`forceLoginMethod`](/docs/en/settings-reference#forceloginmethod) in a settings file requires. With `"claudeai"`, an AP… Configure auto mode Claude Code CLI · in the page auto-mode-config …ential exfiltration target. `claude auto-mode defaults` prints three kinds of environment entry. * **Context slots**: describe your organization, stack, and security posture so the classifier reads… Claude Code changelog Claude Code CLI · in the page changelog …ops the `/ultrareview` upload: it is about half as long and says what kind of file is the problem * Improved the errors shown when the `/ultrareview` upload refuses a checkout: each known cause now ha… Push events into a running session with channels Claude Code CLI · in the page channels …s connect to systems outside the terminal, each suited to a different kind of work: | Feature | What it does | Good for | | - | - | - | | [Cloud sessions](/docs/en/claude-code-on-the-web.md) | Run ta… Claude apps gateway configuration Claude Code CLI · in the page claude-apps-gateway-config …list-for-the-default-model) in the same `cli` block, then check which kind of entry the list has: * **An alias such as `sonnet`, or a built-in ID such as `claude-sonnet-4-6`**: sessions start on one… Explore the .claude directory Claude Code CLI · in the page claude-directory …data](#application-data) below. ## Choose the right file Different kinds of customization live in different files. Use this table to find where a change belongs. | You want to | Edit | Scope | Ref… Let Claude coordinate ongoing work with Projects Claude Code CLI · in the page claude-projects …has a goal that outlasts one session and keeps producing tasks. These kinds of work suit a project well: * **One goal across many repositories**: "Bring every service up to the new lint config." Clau… Customize Code Review Claude Code CLI · in the page code-review-customize …isn't protected, and the base branch has no protection rule of either kind | Default branch | Root file | | Code Review can't confirm the protection settings. This includes an unprotected default bran… Read and request reviews on a pull request Claude Code CLI · in the page code-review-pull-requests …, and can resolve the thread or post one follow-up reply. If the same kind of finding keeps coming back, ask a maintainer to add a rule to [`REVIEW.md`](/docs/en/code-review-customize#choose-what-to-w… Commands Claude Code CLI · in the page commands …Most are built-in commands whose behavior is coded into the CLI. Two kinds of entries are marked: * **[Skill](/docs/en/skills#bundled-skills)**: a bundled skill. It works like skills you write yours… Explore the context window Claude Code CLI · in the page context-window …D = 0.2; {} const EVENTS = useMemo(() => [{}, { t: 0.015, kind: 'auto', label: 'System prompt', tokens: 4200, color: '#6B6964', vis: 'hidden', desc: 'Core instructions… Manage costs effectively Claude Code CLI · in the page costs …ion) or by clearing old tool results from context, it counts the same kind of miss as an expected rebuild instead. This part appears only after at least one expected rebuild has happened. * **Warm or… Message your other Claude Code sessions Claude Code CLI · in the page cross-session-messaging …x inside WSL 2, and a named pipe on native Windows. For which session kinds bind one, see [Non-interactive sessions](#non-interactive-sessions). You can find the socket's path in two places: * `/sta… Data usage Claude Code CLI · in the page data-usage …ud-execution-security). ## Telemetry services Claude Code sends two kinds of operational telemetry: usage metrics and error reports. You can turn each off individually with the environment variables… Debug your configuration Claude Code CLI · in the page debug-your-config …s written rather than whether it loaded. CLAUDE.md works well for the kinds of guidance you'd give a new teammate, such as project conventions, build commands, and where files belong. Adherence drops… Desktop application Claude Code CLI · in the page desktop …r they can't connect through them. > [!WARNING] > > The list has one kind of entry, so users can also start a session on any host that you list. List only jump hosts that you'd also let users run ses… Environment variables Claude Code CLI · in the page env-vars …`claude -p` and the Agent SDK as well, or `0` to turn it off in every kind of session. You can run `/subtask` whether or not fork mode is on. The interactive default requires Claude Code v2.1.232 or l… Error reference Claude Code CLI · in the page errors …auto mode. ``` The stop message appears in a different place in each kind of session: * In an interactive session, the message appears as a warning in the transcript and the turn ends * In a [non-in…