Tools reference changedtools-reference
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1515| Tool | Description | Permission required |
1616| :- | :- | :- |
1717| `Agent` | Spawns a [subagent](https://code.claude.com/docs/en/sub-agents.md) with its own context window to handle a task. With [agent teams](https://code.claude.com/docs/en/agent-teams.md) enabled, a call that carries a `name` can launch a [teammate](https://code.claude.com/docs/en/agent-teams.md#how-claude-starts-agent-teams) instead. See [Agent tool behavior](#agent-tool-behavior) | No |
18| `Artifact` | Publishes an HTML or Markdown file as an [artifact](https://code.claude.com/docs/en/artifacts.md): a private, interactive page on claude.ai. You can share it with a public link, or inside your organization on Team and Enterprise plans, where public sharing requires an Owner to [enable it](https://code.claude.com/docs/en/artifacts.md#control-public-sharing). Requires a Pro, Max, Team, or Enterprise plan and `/login` authentication; see [Availability](https://code.claude.com/docs/en/artifacts.md#availability) | Yes |
18| `Artifact` | Publishes an HTML or Markdown file to claude.ai as an [artifact](https://code.claude.com/docs/en/artifacts.md): a private, interactive page. You can share it with a public link, or inside your organization on Team and Enterprise plans, where public sharing requires an Owner to [enable it](https://code.claude.com/docs/en/artifacts.md#control-public-sharing). Requires a Pro, Max, Ultra, Team, or Enterprise plan and `/login` authentication; see [Availability](https://code.claude.com/docs/en/artifacts.md#availability) | Yes |
1919| `AskUserQuestion` | Asks multiple-choice questions to gather requirements or clarify ambiguity. Questions stay open until you answer them by default. See [AskUserQuestion tool behavior](#askuserquestion-tool-behavior) | No |
2020| `Bash` | Executes shell commands in your environment. See [Bash tool behavior](#bash-tool-behavior) | Yes |
2121| `CronCreate` | Schedules a recurring or one-shot prompt within the current session. Tasks are session-scoped and restored on `--resume` or `--continue` if unexpired. See [session-scoped scheduled tasks](https://code.claude.com/docs/en/scheduled-tasks.md) | No |
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3838| `PushNotification` | Sends a desktop notification, and a phone push when [Remote Control](https://code.claude.com/docs/en/remote-control.md) is connected, so a long-running task or [session-scoped scheduled task](https://code.claude.com/docs/en/scheduled-tasks.md) can reach you when you step away. Push delivery runs through Anthropic-hosted infrastructure, which is not accessible from Amazon Bedrock, Claude Platform on AWS, Google Cloud's Agent Platform, or Microsoft Foundry | No |
3939| `Read` | Reads the contents of files. See [Read tool behavior](#read-tool-behavior) | No |
4040| `ReadMcpResourceTool` | Reads a specific MCP resource by URI | No |
41| `RemoteTrigger` | Creates, updates, runs, and lists [cloud scheduled tasks](https://code.claude.com/docs/en/routines.md), formerly routines, on claude.ai. Backs the `/schedule` command. The [`RemoteTrigger` input reference](https://code.claude.com/docs/en/agent-sdk/typescript#remotetrigger) documents every action and the organization policies that remove the tool. Cloud scheduled tasks live on claude.ai and require a Pro, Max, Team, or Enterprise plan. This tool is therefore not accessible from Amazon Bedrock, Claude Platform on AWS, Google Cloud's Agent Platform, or Microsoft Foundry | No |
41| `RemoteTrigger` | Creates, updates, runs, and lists [cloud scheduled tasks](https://code.claude.com/docs/en/routines.md), formerly routines, on claude.ai. Backs the `/schedule` command. The [`RemoteTrigger` input reference](https://code.claude.com/docs/en/agent-sdk/typescript#remotetrigger) documents every action and the organization policies that remove the tool. Cloud scheduled tasks live on claude.ai and require a Pro, Max, Ultra, Team, or Enterprise plan. This tool is therefore not accessible from Amazon Bedrock, Claude Platform on AWS, Google Cloud's Agent Platform, or Microsoft Foundry | No |
4242| `ReportFindings` | Reports code-review findings as a structured list, with a file, summary, and failure scenario per finding, so Claude Code can render them instead of printing them as text. Claude calls it when active code-review instructions tell it to. A finding can also carry an optional `category` slug, such as `correctness` or `test-coverage`, shown next to the file location in the rendered list | No |
4343| `ScheduleWakeup` | Reschedules the next iteration of a [self-paced `/loop`](https://code.claude.com/docs/en/scheduled-tasks#let-claude-choose-the-interval). Claude calls this at the end of each iteration to pick when the next one runs, between one minute and one hour out; you don't call it directly. To end the loop instead, Claude calls it with `stop: true`, which cancels the pending wakeup. The pending wakeup appears in `session_crons` in [Stop hook input](https://code.claude.com/docs/en/hooks.md#stop-input) | No |
4444| `SendFeedback` | Drafts a feedback report about Claude Code, covering a product problem or Claude's own behavior in the session, and queues it on your machine for you to review. Claude Code sends nothing until you choose to send the draft. See [SendFeedback tool behavior](#sendfeedback-tool-behavior). Requires Claude Code v2.1.238 or later | No |
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