inference-hooks-endpoint changedmanage-claude/inference-hooks-endpoint
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279279| `type` | Always | `"application"` |
280280| `toolset_name` | Optional | The group of tools it belongs to. |
281281
282A `tool_use` block for a web search tool that claude.ai provides itself:
283
284```json
285{
286 "type": "tool_use",
287 "id": "toolu_01LmNoPqRsTuVwXyZaBcDeFg",
288 "tool_name": "web_search",
289 "input": {
290 "query": "comparable deals for unannounced 4.2B USD Acme Corp acquisition"
291 },
292 "tool_info": {
293 "type": "application"
294 }
295}
296```
297
298claude.ai doesn't always name this tool `web_search`, so don't match on the name alone. `input` always includes the search query and can hold other fields.
299
282300### Third-party tools
283301
284302A third-party tool is one on a server that Anthropic knows of, such as a claude.ai connector or an MCP server that the request names in `mcp_servers`. This doesn't mean Anthropic has vetted the server.
No line in this hunk matches that.