# Claude Code v2.1.284: system prompt

> 1 of 18 tool descriptions changed. Compared against v2.1.283.

[Web version](https://changelogs.core-directive.com/prompts/2.1.284?surface=subagent-general-purpose)

## What this version holds
- model strings captured: 1
- tool descriptions: 18
- compared against: v2.1.283
- system prompt edits: 0
- widest system prompt edit: +0/-0 lines
- tool descriptions changed: 1

## What moved

### Tool: WebSearch (+1/-1 lines)

This edit reached all 1 arms.

```diff
@@ from line 1 @@
 Search the web. Returns result blocks with titles and URLs. US-only.
 
-- The current month is September 2026 — use this when searching for recent information.
+- The current month is (provided in the conversation below) — use this when searching for recent information.
 - `allowed_domains` / `blocked_domains` filter results.
 - After answering from results, end with a "Sources:" list of the URLs you used as markdown links.
```

## Tool descriptions
- [Agent](https://changelogs.core-directive.com/prompts/2.1.284/tools/Agent.txt?surface=subagent-general-purpose)
- [Bash](https://changelogs.core-directive.com/prompts/2.1.284/tools/Bash.txt?surface=subagent-general-purpose)
- [CronCreate](https://changelogs.core-directive.com/prompts/2.1.284/tools/CronCreate.txt?surface=subagent-general-purpose)
- [CronDelete](https://changelogs.core-directive.com/prompts/2.1.284/tools/CronDelete.txt?surface=subagent-general-purpose)
- [CronList](https://changelogs.core-directive.com/prompts/2.1.284/tools/CronList.txt?surface=subagent-general-purpose)
- [Edit](https://changelogs.core-directive.com/prompts/2.1.284/tools/Edit.txt?surface=subagent-general-purpose)
- [EnterWorktree](https://changelogs.core-directive.com/prompts/2.1.284/tools/EnterWorktree.txt?surface=subagent-general-purpose)
- [ExitWorktree](https://changelogs.core-directive.com/prompts/2.1.284/tools/ExitWorktree.txt?surface=subagent-general-purpose)
- [ListAgents](https://changelogs.core-directive.com/prompts/2.1.284/tools/ListAgents.txt?surface=subagent-general-purpose)
- [NotebookEdit](https://changelogs.core-directive.com/prompts/2.1.284/tools/NotebookEdit.txt?surface=subagent-general-purpose)
- [Read](https://changelogs.core-directive.com/prompts/2.1.284/tools/Read.txt?surface=subagent-general-purpose)
- [ReportFindings](https://changelogs.core-directive.com/prompts/2.1.284/tools/ReportFindings.txt?surface=subagent-general-purpose)
- [SendMessage](https://changelogs.core-directive.com/prompts/2.1.284/tools/SendMessage.txt?surface=subagent-general-purpose)
- [Skill](https://changelogs.core-directive.com/prompts/2.1.284/tools/Skill.txt?surface=subagent-general-purpose)
- [TaskStop](https://changelogs.core-directive.com/prompts/2.1.284/tools/TaskStop.txt?surface=subagent-general-purpose)
- [WebFetch](https://changelogs.core-directive.com/prompts/2.1.284/tools/WebFetch.txt?surface=subagent-general-purpose)
- [WebSearch](https://changelogs.core-directive.com/prompts/2.1.284/tools/WebSearch.txt?surface=subagent-general-purpose) (changed in this version)
- [Write](https://changelogs.core-directive.com/prompts/2.1.284/tools/Write.txt?surface=subagent-general-purpose)

## Full text
- [system prompt](https://changelogs.core-directive.com/prompts/2.1.284/system.txt?surface=subagent-general-purpose)