CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS is a Claude Code environment variable: Timeout for synchronous plugin install. Present since v2.1.69 or earlier and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Present since v2.1.69 or earlier
Category	Network and proxy
Official docs	Listed

How to set it

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

export CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS=<value>
claude

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

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

Release notes that mention it

165 Environment Variables in Claude Code 2.1.69 — What Changed in 50 Versions

Related variables

CLAUDE_CODE_SYNC_SKILLS_INSTALL_TIMEOUT_MS
CLAUDE_CODE_SYNC_PLUGINS_INSTALL_TIMEOUT_MS
CLAUDE_CODE_PLUGIN_GIT_TIMEOUT_MS: Git clone timeout for plugin installation.
CLAUDE_CODE_SYNC_SKILLS_WAIT_TIMEOUT_MS
CLAUDE_CODE_SYNC_PLUGINS_MCP_TIMEOUT_MS
API_FORCE_IDLE_TIMEOUT
API_TIMEOUT_MS: Request timeout in milliseconds.
BASH_DEFAULT_TIMEOUT_MS

Frequently asked questions

What does CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS do?

Timeout for synchronous plugin install

Which Claude Code version has CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS?

Present since v2.1.69 or earlier and still present in v2.1.294.

How do I set CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS?

Export it before starting Claude Code (export CLAUDE_CODE_SYNC_PLUGIN_INSTALL_TIMEOUT_MS=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.