# Mcp Block
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## MCP Tool

### What it is
Connect to any MCP server and execute its tools. Provide a server URL, select a tool, and pass arguments dynamically.

### How it works
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### Inputs

| Input | Description | Type | Required |
|-------|-------------|------|----------|
| server_url | URL of the MCP server (Streamable HTTP endpoint) | str | Yes |
| selected_tool | The MCP tool to execute | str | No |
| tool_arguments | Arguments to pass to the selected MCP tool. The fields here are defined by the tool's input schema. | Dict[str, Any] | No |

### Outputs

| Output | Description | Type |
|--------|-------------|------|
| error | Error message if the tool call failed | str |
| result | The result returned by the MCP tool | Result |

### Possible use case
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