v2.1.123 tool descriptions

Agent Launch a new agent to handle complex, multi-step tasks. 6,960 chars Read → AskUserQuestion Use this tool when you need to ask the user questions during execution. 1,074 chars Read → Bash Executes a given bash command and returns its output. 10,167 chars · 11 variants Read → CronCreate Schedule a prompt to be enqueued at a future time. 2,924 chars Read → CronDelete Cancel a cron job previously scheduled with CronCreate. 167 chars Read → CronList List all cron jobs scheduled via CronCreate, both durable (.claude/scheduled_tasks.json) and session-only. 106 chars Read → Edit Performs exact string replacements in files. 1,094 chars Read → EnterPlanMode Use this tool proactively when you're about to start a non-trivial implementation task. 4,022 chars Read → EnterWorktree Use this tool ONLY when explicitly instructed to work in a worktree — either by the user directly, or by project... 2,182 chars Read → ExitPlanMode Use this tool when you are in plan mode and have finished writing your plan to the plan file and are ready for user... 1,849 chars Read → ExitWorktree Exit a worktree session created by EnterWorktree and return the session to the original working directory. 1,923 chars Read → Glob - Fast file pattern matching tool that works with any codebase size - Supports glob patterns like "**/*.js" or... 371 chars Read → Grep A powerful search tool built on ripgrep Usage: - ALWAYS use Grep for search tasks. 866 chars Read → NotebookEdit Completely replaces the contents of a specific cell in a Jupyter notebook (.ipynb file) with new source. 513 chars Read → Read Reads a file from the local filesystem. 1,683 chars Read → ScheduleWakeup Schedule when to resume work in /loop dynamic mode — the user invoked /loop without an interval, asking you to... 2,285 chars Read → Skill Execute a skill within the main conversation When users ask you to perform tasks, check if any of the available skills... 1,315 chars Read → TaskOutput DEPRECATED: Background tasks return their output file path in the tool result, and you receive a <task-notification>... 1,050 chars Read → TaskStop - Stops a running background task by its ID - Takes a task_id parameter identifying the task to stop - Returns a... 203 chars Read → TodoWrite Use this tool to create and manage a structured task list for your current coding session. 9,114 chars Read → WebFetch IMPORTANT: WebFetch WILL FAIL for authenticated or private URLs. 1,479 chars Read → WebSearch - Allows Claude to search the web and use the results to inform responses - Provides up-to-date information for current... 1,319 chars Read → Write Writes a file to the local filesystem. 618 chars Read →