kotlin-sdk-core/io.modelcontextprotocol.kotlin.sdk.types/CallToolRequest

CallToolRequest

@Serializable
data class CallToolRequest(val params: CallToolRequestParams) : ClientRequest(source)

Used by the client to invoke a tool provided by the server.

Tools allow servers to expose functionality that clients (and LLMs) can call. Examples include file operations, API calls, database queries, or any other server-side operations.

Constructors

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constructor(params: CallToolRequestParams)

Properties

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val arguments: JsonObject?

Arguments to pass to the tool. Keys are argument names, values are the argument values. The structure must match the tool's input schema.

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val meta: RequestMeta?

Metadata for this request. May include a progressToken for out-of-band progress notifications.

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@EncodeDefault
open override val method: Method
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val name: String

The name of the tool to invoke.

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open override val params: CallToolRequestParams

The parameters specifying which tool to call and what arguments to pass.

Functions

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fun Request.toJSON(): JSONRPCRequest
fun Request.toJSON(): JSONRPCRequest

Converts the request to a JSON-RPC request.

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