CLAUDE_CODE_FLEETVIEW_SIMPLE

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_FLEETVIEW_SIMPLE is a Claude Code environment variable: Forces the simplified FleetView layout, the multi-agent monitoring surface. First shipped v2.1.216; undocumented. Added between v2.1.215 and v2.1.217 and still present in v2.1.294. It is not in the official reference.

Status	Present in v2.1.294
Added	Added between v2.1.215 and v2.1.217
Category	Other
Official docs	Not listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_FLEETVIEW_SIMPLE=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_FLEETVIEW_SIMPLE": "<value>"
  }
}

Release notes that mention it

Related variables

CLAUDE_CODE_SIMPLE: Simplified mode; disables CLAUDE.md and attachments (renamed from CLAUDE_CODE_SIMPLETON).
CLAUDE_CODE_SIMPLE_SYSTEM_PROMPT: Switches to a reduced system prompt, stripping out the non-essential guidance sections that bulk up the default prompt.
ANTHROPIC_BETAS: Comma-separated beta feature headers.
ANTHROPIC_CUSTOM_HEADERS: Custom HTTP headers (newline-separated Key: Value).
ANTHROPIC_FEDERATION_RULE_ID
ANTHROPIC_ORGANIZATION_ID
ANTHROPIC_WORKSPACE_ID
BETA_TRACING_ENDPOINT: Custom endpoint for beta tracing.

Frequently asked questions

What does CLAUDE_CODE_FLEETVIEW_SIMPLE do?

Forces the simplified FleetView layout, the multi-agent monitoring surface. First shipped v2.1.216; undocumented.

Which Claude Code version has CLAUDE_CODE_FLEETVIEW_SIMPLE?

Added between v2.1.215 and v2.1.217 and still present in v2.1.294.

How do I set CLAUDE_CODE_FLEETVIEW_SIMPLE?

Export it before starting Claude Code (export CLAUDE_CODE_FLEETVIEW_SIMPLE=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.