[DOCS] Tools reference is missing the EndConversation tool

Documentation Type

Missing documentation (feature not documented)

Documentation Location

https://code.claude.com/docs/en/tools-reference

Section/Topic

The built-in tools table at the beginning of the Tools reference.

Current Documentation

The page describes itself as:

Complete reference for the tools Claude Code can use, including permission requirements and per-tool behavior.

The built-in tools table includes tools such as TaskStop, ScheduleWakeup, and SendUserFile, but it has no EndConversation entry or cross-reference.

What's Wrong or Missing?

Claude Code 2.1.214 adds an EndConversation tool that allows Claude to end a session when interacting with highly abusive users or jailbreak attempts. The canonical built-in tools reference does not describe that tool, its purpose, when it can be invoked, what the user sees when it ends a session, or whether the tool can be controlled through permission rules.

This omission makes the session-ending behavior look unexplained when it occurs and leaves administrators without a documented surface for understanding or auditing the capability.

Suggested Improvement

Add an EndConversation row to the built-in tools table and a dedicated behavior section if the tool has user-visible outcomes. Document:

• that it is a Claude-invoked safety tool rather than a normal user command;
• the high-level conditions under which Claude may use it, without exposing internal abuse-detection details;
• what happens to the current session and transcript when it is used;
• whether it appears in permission prompts, hook input, telemetry, or tool lists; and
• any platform or authentication limitations.

Link the row to the relevant safety or session-behavior documentation.

Impact

Medium - Makes feature difficult to understand

Additional Context

The release describes this as a new Claude Code tool and points to Anthropic’s public research context: https://www.anthropic.com/research/end-subset-conversations. The public Tools reference should still explain the Claude Code-specific behavior and user impact.

Affected Pages:

| Page | Context |
|------|---------|
| https://code.claude.com/docs/en/tools-reference | Built-in tool inventory and per-tool behavior |

Release: Claude Code 2.1.214.