12 pages for claude_code_disable_experimental_betas.

Modifying system prompts Claude Code CLI · in the page agent-sdk/modifying-system-prompts …, the same as passing one string. The same happens whenever you set [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1`](/docs/en/llm-gateway-protocol#disable-pre-release-capabilities). To split the prompt,… Scale to many tools with tool search Claude Code CLI · in the page agent-sdk/tool-search …tool definitions are loaded into context on every turn. | Setting [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS`](/docs/en/env-vars) keeps tool search off. You can't override it by setting `ENABLE_TOOL_S… Auto mode classifier request charges Claude Code CLI · in the page auto-mode-classifier-billing …ic API, the variable requires Claude Code v2.1.281 or later. Setting `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1` while `CLAUDE_CODE_AUTO_MODE_SERVER` is unset turns the server's checks off as well, exc… Claude Code changelog Claude Code CLI · in the page changelog …g checked, to the screen reader again on every spinner frame * Fixed `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS` not removing the structured-output format from session-title and prompt-hook requests, whi… Environment variables Claude Code CLI · in the page env-vars …| | `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS` | Set to `1` to strip Anthropic-specific `anthropic-beta` request headers a… Error reference Claude Code CLI · in the page errors …-pass-through) for what gateways must forward. * As a fallback, set [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1`](/docs/en/env-vars) before launching. [Disable pre-release capabilities](/docs/en/llm-ga… Connect Claude Code to an LLM gateway Claude Code CLI · in the page llm-gateway-connect …rejects fields Claude Code sends to Anthropic-format endpoints | Set `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1`, which suppresses most pre-release fields; see [feature pass-through](/docs/en/llm-gatew… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …ure pass-through](#feature-pass-through), unless the developer sets [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS`](#disable-pre-release-capabilities) | The subset Amazon Bedrock and Agent Platform accept… Roll out an LLM gateway for your organization Claude Code CLI · in the page llm-gateway-rollout …`/v1/models` and you want developers' pickers populated from it | | `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS` | Stops Claude Code sending pre-release capability headers and body fields. [Disable pre-r… Connect Claude Code to tools via MCP Claude Code CLI · in the page mcp …default: MCP tools are deferred and discovered on demand. Setting [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS`](/docs/en/env-vars) keeps tool search off. You can't override it by setting `ENABLE_TOOL_S… Choose a permission mode Claude Code CLI · in the page permission-modes …iew on in a session that doesn't have it yet, unless you've also set `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1`. If you set `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1` and leave `CLAUDE_CODE_AUTO_MODE_… How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …t block for caching on every provider and connection unless you set [`CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS`](/docs/en/llm-gateway-protocol#disable-pre-release-capabilities), in which case that block…