tool-reference changedagents-and-tools/tool-use/tool-reference
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9292| `strict` | Guarantee schema validation on tool names and inputs | All tools except `mcp_toolset`, `computer_toolset_20260801`, and `browser_toolset_20260801` | [Strict tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/strict-tool-use) |
9393| `defer_loading` | Exclude the tool from the initial system prompt; load it on demand when tool search returns a `tool_reference` for it | All tools (for `mcp_toolset`, see [tool configuration](https://platform.claude.com/docs/en/agents-and-tools/mcp-connector#mcp-toolset-configuration)). On the computer use and browser use toolsets, set it per member inside `configs`; see [Client toolsets](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-reference#client-toolsets). | [Tool search tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-search-tool) |
9494| `allowed_callers` | Restrict which callers can call the tool | All tools except `mcp_toolset` (on `computer_toolset_20260801` and `browser_toolset_20260801`, only `["direct"]` is accepted; see [Client toolsets](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-reference#client-toolsets)) | [Programmatic tool calling](https://platform.claude.com/docs/en/agents-and-tools/tool-use/programmatic-tool-calling#the-allowed-callers-field) |
95| `input_examples` | Provide example input objects to help Claude understand how to call the tool | User-defined and Anthropic-schema client tools, except `computer_toolset_20260801` and `browser_toolset_20260801`. Not available on server tools. | [Define tools](https://platform.claude.com/docs/en/agents-and-tools/tool-use/define-tools#providing-tool-use-examples) |
95| `input_examples` | Provide example input objects to show Claude how to call the tool | User-defined and Anthropic-schema client tools, except `computer_toolset_20260801` and `browser_toolset_20260801`. Not available on server tools. | [Define tools](https://platform.claude.com/docs/en/agents-and-tools/tool-use/define-tools#providing-tool-use-examples) |
9696| `eager_input_streaming` | Enable fine-grained input streaming (`true`) or keep standard buffered streaming (`false`) for this tool | User-defined tools only | [Fine-grained tool streaming](https://platform.claude.com/docs/en/agents-and-tools/tool-use/fine-grained-tool-streaming) |
9797
9898### `allowed_callers` values
No line in this hunk matches that.