tools changedmanaged-agents/tools
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1313Claude Managed Agents provides a set of built-in tools that Claude can use autonomously within a [session](https://platform.claude.com/docs/en/managed-agents/sessions). You control which tools are available by specifying them in the agent configuration.
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15Claude Managed Agents also supports custom, user-defined tools. Your application executes these tools separately and returns the results to Claude, which uses them to continue the task. To give the agent tools from an MCP server, use the [MCP connector](https://platform.claude.com/docs/en/managed-agents/mcp-connector) instead.
15Claude Managed Agents also supports custom, user-defined tools. Your application runs these tools separately and returns the results to Claude, which uses them to continue the task. To give the agent tools from an MCP server, use the [MCP connector](https://platform.claude.com/docs/en/managed-agents/mcp-connector) instead.
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1717## Available tools
1818
1919The agent toolset includes the following tools. All are enabled by default when you include the toolset in the agent configuration.
2020
21| Tool | Name | Description |
22| ---------- | ------------ | ---------------------------------------------- |
23| Bash | `bash` | Execute bash commands in a shell session |
24| Read | `read` | Read a file from the sandbox filesystem |
25| Write | `write` | Write a file to the sandbox filesystem |
26| Edit | `edit` | Perform string replacement in a file |
27| Glob | `glob` | Fast file pattern matching using glob patterns |
28| Grep | `grep` | Text search using regex patterns |
29| Web fetch | `web_fetch` | Fetch content from a URL |
30| Web search | `web_search` | Search the web for information |
21| Tool | Name | Description |
22| ---------- | ------------ | ------------------------------------------------------ |
23| Bash | `bash` | Run bash commands in a shell session |
24| Read | `read` | Read a file from the sandbox filesystem |
25| Write | `write` | Write a file to the sandbox filesystem |
26| Edit | `edit` | Perform string replacement in a file |
27| Glob | `glob` | Perform fast file pattern matching using glob patterns |
28| Grep | `grep` | Search text using regex patterns |
29| Web fetch | `web_fetch` | Fetch content from a URL |
30| Web search | `web_search` | Search the web for information |
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3232When a tool output exceeds 100,000 characters (about 25,000 tokens), it is automatically written to a file in the [sandbox](https://platform.claude.com/docs/en/managed-agents/environments). The model receives a truncated preview with the file path and can read the full content from there.
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234234
235235### Config entry types in the SDKs
236236
237The Python, TypeScript, Go, Java, C#, Ruby, and PHP SDKs type each `configs` (csharp, go: `Configs`) entry per tool. The type is a union with one member per built-in tool, discriminated by `type` (csharp, go: `Type`).
237The SDK types each `configs` (csharp, go: `Configs`) entry by tool. The type is a union with one member for each built-in tool, discriminated by `type` (csharp, go: `Type`).
238238
239239In Go, Java, C#, and PHP, you construct entries from typed values rather than plain dictionaries or hashes. In those SDKs, the element type of `configs` (csharp, go: `Configs`) is the union itself, so build each entry from its per-tool member type.
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512512 </Card>
513513
514514 <Card title="Permission policies" icon="lock" href="https://platform.claude.com/docs/en/managed-agents/permission-policies">
515 Control when agent and MCP tools execute.
515 Control when agent and MCP tools run.
516516 </Card>
517517
518518 <Card title="Session event stream" icon="lightning" href="https://platform.claude.com/docs/en/managed-agents/events-and-streaming">
519 Send events, stream responses, and interrupt or redirect your session mid-execution.
519 Send events, stream responses, and interrupt or redirect your session while it runs.
520520 </Card>
521521</CardGroup>
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