14 pages for enable_tool_search.

Connect to external tools with MCP Claude Code CLI · in the page agent-sdk/mcp …s to a [gateway](/docs/en/mcp.md#tool-search-through-a-gateway) and [`ENABLE_TOOL_SEARCH`](/docs/en/mcp#configure-tool-search) is unset**: the first turn waits up to 2 seconds for every pending settin… Scale to many tools with tool search Claude Code CLI · in the page agent-sdk/tool-search …ion and loads tool definitions upfront for that deployment instead. [`ENABLE_TOOL_SEARCH`](#configure-tool-search) can't override this, since the rejection comes from the deployment itself. ## Config… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …ricing) when no managed source sets it on v2.1.246 or later, and its `ENABLE_TOOL_SEARCH` env entry on v2.1.247 or later | | `maxBudgetUsd` | `number` | `undefined` | Stop the query when the client-si… Claude Code changelog Claude Code CLI · in the page changelog …e the peek mid-reply or clear a draft * Fixed automatic tool search (`ENABLE_TOOL_SEARCH=auto`) turning off part-way through a conversation, for example while MCP servers reconnect after a resume * Fi… Explore the context window Claude Code CLI · in the page context-window …specific ones on demand via tool search when a task needs them. Set `ENABLE_TOOL_SEARCH=auto` to load schemas upfront when they fit within 10% of the context window, or `ENABLE_TOOL_SEARCH=false` to… Environment variables Claude Code CLI · in the page env-vars …/docs/en/mcp#scale-with-mcp-tool-search) is disabled by default. Set `ENABLE_TOOL_SEARCH=true` if your proxy forwards `tool_reference` blocks. As of v2.1.196, [Remote Control](/docs/en/remote-control#… Error reference Claude Code CLI · in the page errors …g the tool search fields Claude Code sends by default. To check, set `ENABLE_TOOL_SEARCH=false` as [Tool search through an LLM gateway](/docs/en/mcp.md#tool-search-through-a-gateway) describes, then t… Claude Code on Google Cloud's Agent Platform Claude Code CLI · in the page google-vertex-ai …ent Platform serving stacks reject the required beta header. Setting `ENABLE_TOOL_SEARCH=true` doesn't override this. Set `ENABLE_TOOL_SEARCH=false` to disable tool search on every model. Before v2.1… Set up Claude Code (local mode) for a HIPAA-ready organization Claude Code CLI · in the page hipaa-setup …tool search](/docs/en/mcp.md#configure-tool-search) is off. Neither `ENABLE_TOOL_SEARCH` nor managed settings turns it back on | | An MCP server or hook that reads `ANTHROPIC_API_KEY` stops authentic… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …retry. To keep the fields out of every request, have developers set `ENABLE_TOOL_SEARCH=false`. For tool search itself, Claude Code expects the gateway to forward the `defer_loading` fields and `tool… Connect Claude Code to tools via MCP Claude Code CLI · in the page mcp …McpServers` tool instead. Configurations without tool search include `ENABLE_TOOL_SEARCH=false` and a model earlier than Claude Opus 4.5, Claude Sonnet 4.5, and Claude Haiku 4.5 on Google Cloud's Agen… Customize sessions in self-hosted environments Claude Code CLI · in the page self-hosted-environments-configuration …rs) key instead. Sessions inherit the runner's environment, so set [`ENABLE_TOOL_SEARCH`](/docs/en/mcp#scale-with-mcp-tool-search) there to control MCP tool search for every session a runner spawns;… Configuration reference Claude Documentation · in the page third-party/claude-desktop/configuration …4.5 and newer models). To turn it off in Code, Cowork, and Chat, set `ENABLE_TOOL_SEARCH` to `false` in the `env` block of OS-level Claude Code managed settings (with `parentSettingsBehavior: "merge"`… Deploy Claude Desktop on 3P with an LLM gateway Claude Documentation · in the page third-party/claude-desktop/gateway …s and to any provider configured with a custom base URL. Setting the `ENABLE_TOOL_SEARCH` environment variable to `true` does not lift this suppression. To turn tool search on for these deployments, s…