25 pages for toolsearch.

tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …co?" } ], Tools = [ new ToolUnion(new ToolSearchToolRegex20251119 { Type = ToolSearchToolRegex20251119Type.ToolSearchToolRegex20251119… Beta Claude Developer Platform · in the page api/beta …reate a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToolResultE… Messages Claude Developer Platform · in the page api/beta/messages …reate a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToolResultE… Batches Claude Developer Platform · in the page api/beta/messages/batches …e a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToo… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …e a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToo… Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …g` pattern: ^srvtoolu_[a-zA-Z0-9_]+$ - `BetaToolSearchToolResultBlock object` - `type: "tool_search_tool_result"` default: tool_search_tool_result… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …reate a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToolResultE… Create a Message Claude Developer Platform · in the page api/beta/messages/create …reate a cache control breakpoint at this content block. - `BetaToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: BetaToolSearchToolResultE… Messages Claude Developer Platform · in the page api/messages …Create a cache control breakpoint at this content block. - `ToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: ToolSearchToolResultError… Batches Claude Developer Platform · in the page api/messages/batches …reate a cache control breakpoint at this content block. - `ToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: ToolSearchToolRes… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …reate a cache control breakpoint at this content block. - `ToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: ToolSearchToolRes… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …tring` pattern: ^srvtoolu_[a-zA-Z0-9_]+$ - `ToolSearchToolResultBlock object` - `type: "tool_search_tool_result"` default: tool_search_tool_result… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …Create a cache control breakpoint at this content block. - `ToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: ToolSearchToolResultError… Create a Message Claude Developer Platform · in the page api/messages/create …Create a cache control breakpoint at this content block. - `ToolSearchToolResultBlockParam object` - `type: "tool_search_tool_result"` - `content: ToolSearchToolResultError… How the agent loop works Claude Code CLI · in the page agent-sdk/agent-loop …ages | | **Discovery** | `ToolSearch` | Dynamically find and load tools on-demand instead of preloading a… Give Claude custom tools Claude Code CLI · in the page agent-sdk/custom-tools …ent-sdk/tool-search) is on by default, the output may also include a `ToolSearch` call as Claude loads the deferred tool schema. <CodeGroup> ```python Python theme={null} import asyncio from cl… Connect to external tools with MCP Claude Code CLI · in the page agent-sdk/mcp …e-tool-search) covers what turns tool search off. If you exclude the `ToolSearch` tool from the session, for example through `disallowedTools`, the session also runs without tool search. If you set `… Claude Code changelog Claude Code CLI · in the page changelog …d the Claude in Chrome prompt telling the model to load tools through ToolSearch when ToolSearch is unavailable * Fixed cross-session messages held by the receiving session's permission-mode policy… Connect Claude Code to tools via MCP Claude Code CLI · in the page mcp …le-with-mcp-tool-search), the default**: the wait happens inside the `ToolSearch` call. * **Without tool search**: Claude uses the `WaitForMcpServers` tool instead. Configurations without tool search… Create custom subagents Claude Code CLI · in the page sub-agents …ite`, `NotebookEdit`, `WebFetch`, `WebSearch`, `TodoWrite`, `Skill`, `ToolSearch`, `EnterWorktree`, `ExitWorktree`, `Monitor`, `TaskStop`, `SendMessage`, and `Artifact`, plus [`SubagentHandback`](/doc… Tools reference Claude Code CLI · in the page tools-reference …| No | | `ToolSearch` | Searches for and loads deferred tools when [tool search](/docs/en/mcp#scale-with-mcp-tool-search) is enabl… Changelog Claude Documentation · in the page cowork/changelog …by default there (on Vertex AI with Claude 4.5 and newer models) and `toolSearchEnabled` is no longer needed to turn it on; gateway and Foundry deployments, and those providers behind a custom base UR… Configuration reference Claude Documentation · in the page third-party/claude-desktop/configuration …| | <span id="toolsearchenabled" />Enable tool search<br />`toolSearchEnabled` | `boole… Configuration changelog Claude Documentation · in the page third-party/claude-desktop/configuration-changelog …expiry the `headersHelper` re-runs (default 60). | | [`toolSearchEnabled`](/docs/third-party/claude-desktop/configuration#toolsearchenabled) | `boolean`… Deploy Claude Desktop on 3P with an LLM gateway Claude Documentation · in the page third-party/claude-desktop/gateway …suppression. To turn tool search on for these deployments, set the [`toolSearchEnabled`](/docs/third-party/claude-desktop/configuration#toolsearchenabled) configuration key. Requires app version 1.21…