Tool descriptions

v2.1.306 tool descriptions

Agent SDK, print mode, seeded with this account's feature flags. 28 tools, as the client described them to the model in this release. Where a tool has more than one description the difference is usually a single interpolated string.

Tools28in this capture, on this arm

Moved0since the previous capture on this arm

What changedv2.1.306in every prompt this release sent

Every description, as sent

28 ◆ moved since the previous capture on this arm, ○ byte-identical to it.

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ToolOpens withDescriptionCopiesMoved

Agent Launch a new agent to handle complex, multi-step tasks. 1,989 chars 3 copies ○same

Bash Executes a bash command and returns its output. 1,492 chars 2 copies ○same

CronCreate Schedule a prompt to be enqueued at a future time. 2,794 chars 1 copy ○same

CronDelete Cancel a cron job previously scheduled with CronCreate. 100 chars 1 copy ○same

CronList List all cron jobs scheduled via CronCreate in this session. 60 chars 1 copy ○same

DeferredToolPlaceholder Reserved placeholder that keeps deferred tool loading active; never call this tool. 83 chars 1 copy ○same

Edit Performs exact string replacement in a file. 360 chars 2 copies ○same

EnterWorktree Use this tool ONLY when explicitly instructed to work in a worktree — either by the user directly, or by project... 3,220 chars 1 copy ○same

ExitWorktree Exit a worktree session created by EnterWorktree and return the session to the original working directory. 1,923 chars 1 copy ○same

ListAgents Lists agents you can SendMessage to — in-process subagents you spawned, the teammates on your team, other local Claude... 777 chars 1 copy ○same

Monitor Start a background monitor that streams events from a long-running script. 6,354 chars 1 copy ○same

NotebookEdit Replaces, inserts, or deletes a single cell in a Jupyter notebook (.ipynb file). 619 chars 1 copy ○same

PushNotification This tool sends a desktop notification in the user's terminal. 1,362 chars 1 copy ○same

Read Reads a file from the local filesystem. 790 chars 3 copies ○same

ReportFindings Report code-review findings as a typed list so the host UI can render them. 574 chars 1 copy ○same

ScheduleWakeup Schedule when to resume work in /loop dynamic mode — the user invoked /loop without an interval, asking you to... 3,396 chars 1 copy ○same

SendMessage # SendMessage Send a message to another agent. 4,259 chars 1 copy ○same

Skill Invoke a skill. 1,417 chars 1 copy ○same

TaskCreate Use this tool to create a structured task list for your current coding session. 2,146 chars 1 copy ○same

TaskGet Use this tool to retrieve a task by its ID from the task list. 732 chars 1 copy ○same

TaskList Use this tool to list all tasks in the task list. 998 chars 1 copy ○same

TaskStop - Stops a running background task by its ID - Takes a task_id parameter identifying the task to stop - To stop an... 364 chars 1 copy ○same

TaskUpdate Use this tool to update a task in the task list. 2,243 chars 1 copy ○same

ToolSearch Fetches full schema definitions for deferred tools so they can be called. 953 chars 1 copy ○same

WebFetch IMPORTANT: WebFetch WILL FAIL for authenticated or private URLs. 1,608 chars 1 copy ○same

WebSearch - Allows Claude to search the web and use the results to inform responses - Provides up-to-date information for current... 1,344 chars 1 copy ○same

Workflow Execute a workflow script that orchestrates multiple subagents deterministically. 3,480 chars 1 copy ○same

Write Writes a file to the local filesystem, overwriting if one exists. 240 chars 2 copies ○same