Record Class McpDiscoverResult

java.lang.Object
java.lang.Record
dev.langchain4j.mcp.client.McpDiscoverResult
Record Components:
supportedVersions - the protocol versions the server can speak, never null
capabilities - the optional protocol features the server offers, such as tools or resources, as a tree of nested maps; never null, but empty for a server that offers none
serverInfo - which server this is, if it says
instructions - a hint from the server on how it is meant to be used, if it provides one
resultType - how the server answered; "complete" for an ordinary answer
public record McpDiscoverResult(List<String> supportedVersions, Map<String,Object> capabilities, @Nullable McpServerInfo serverInfo, @Nullable String instructions, @Nullable String resultType) extends Record
What an MCP server reports about itself when the client connects to it, using the server/discover request of MCP protocol version 2026-07-28 and later. It is delivered to McpClientListener.afterServerDiscover(McpCallContext, McpDiscoverResult).

  • Constructor Details

    • McpDiscoverResult

      public McpDiscoverResult(List<String> supportedVersions, Map<String,Object> capabilities, @Nullable McpServerInfo serverInfo, @Nullable String instructions, @Nullable String resultType)
      Creates an instance of a McpDiscoverResult record class.
      Parameters:
      supportedVersions - the value for the supportedVersions record component
      capabilities - the value for the capabilities record component
      serverInfo - the value for the serverInfo record component
      instructions - the value for the instructions record component
      resultType - the value for the resultType record component

  • Method Details

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • supportedVersions

      public List<String> supportedVersions()
      Returns the value of the supportedVersions record component.
      Returns:
      the value of the supportedVersions record component

    • capabilities

      public Map<String,Object> capabilities()
      Returns the value of the capabilities record component.
      Returns:
      the value of the capabilities record component

    • serverInfo

      public @Nullable McpServerInfo serverInfo()
      Returns the value of the serverInfo record component.
      Returns:
      the value of the serverInfo record component

    • instructions

      public @Nullable String instructions()
      Returns the value of the instructions record component.
      Returns:
      the value of the instructions record component

    • resultType

      public @Nullable String resultType()
      Returns the value of the resultType record component.
      Returns:
      the value of the resultType record component