google-adk-kotlin-core/com.google.adk.kt.tools.mcp/McpToolset/McpToolsetConfig

McpToolsetConfig

data class McpToolsetConfig(val stdioConnectionParams: McpConnectionParameters.Stdio? = null, val sseConnectionParams: McpConnectionParameters.Sse? = null, val streamableHttpConnectionParams: McpConnectionParameters.StreamableHttp? = null, val toolFilter: List<String>? = null, val useMcpResources: Boolean = false, val maxMcpResourceLength: Int = DEFAULT_MAX_RESOURCE_LENGTH)

Configuration for an McpToolset, used to construct one via toToolset.

Exactly one of stdioConnectionParams, sseConnectionParams, or streamableHttpConnectionParams must be set; toToolset throws if zero or more than one are provided.

Constructors

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constructor(stdioConnectionParams: McpConnectionParameters.Stdio? = null, sseConnectionParams: McpConnectionParameters.Sse? = null, streamableHttpConnectionParams: McpConnectionParameters.StreamableHttp? = null, toolFilter: List<String>? = null, useMcpResources: Boolean = false, maxMcpResourceLength: Int = DEFAULT_MAX_RESOURCE_LENGTH)

Properties

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val maxMcpResourceLength: Int

Maximum length, in characters, of a single resource payload returned by load_mcp_resource. Longer payloads are truncated.

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val sseConnectionParams: McpConnectionParameters.Sse? = null

Connection parameters for an MCP server reached over SSE.

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val stdioConnectionParams: McpConnectionParameters.Stdio? = null

Connection parameters for a local MCP server reached over stdio (e.g. one launched via npx or python3).

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val streamableHttpConnectionParams: McpConnectionParameters.StreamableHttp? = null

Connection parameters for an MCP server reached over the Streamable HTTP transport.

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val toolFilter: List<String>? = null

Optional allowlist of tool names; when set, only tools whose name appears in the list will be exposed to the agent. When null, all tools advertised by the server are exposed.

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val useMcpResources: Boolean = false

When true, resource-related tools (list_mcp_resources, list_mcp_resource_templates, load_mcp_resource) are added to the toolset, granting the agent access to MCP resources exposed by the server. Defaults to false.

Functions

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fun toToolset(headerProvider: (ReadonlyContext) -> Map<String, String>? = null, progressConsumers: List<(McpSchema.ProgressNotification) -> Unit> = emptyList()): McpToolset

Creates an McpToolset from this configuration.