Class McpServer

constructor

• new McpServer(options: McpServerOptions): McpServer

  Parameters

  • options: McpServerOptions

  Returns McpServer

Static ReadonlyINVALID_PARAMS

Static ReadonlyINVALID_REQUEST

Static ReadonlyMETHOD_NOT_FOUND

Static ReadonlyPARSE_ERROR

Static ReadonlyPROTOCOL_VERSIONS

handle

• handle(message: unknown): Promise<JsonRpcResponse | undefined>

  Parameters

  • message: unknown

  Returns Promise<JsonRpcResponse | undefined>

handleText

• handleText(text: string): Promise<string | undefined>

  Handles one line or body of JSON; returns the response text, or undefined for a notification.

  Parameters

  • text: string

  Returns Promise<string | undefined>

Staticdescribe

• describe(tool: McpToolDefinition): Record<string, unknown>

  Parameters

  • tool: McpToolDefinition

  Returns Record<string, unknown>

Staticerror

• error(id: JsonRpcId, error: unknown): JsonRpcResponse

  Parameters

  • id: JsonRpcId
  • error: unknown

  Returns JsonRpcResponse

Staticresult

• result(value: unknown, isError: boolean): McpToolResult

  Text for every client; objects also as structured content.

  Parameters

  • value: unknown
  • isError: boolean

  Returns McpToolResult

Staticvalidate

• validate(
      schema: Record<string, unknown>,
      args: Record<string, unknown>,
  ): string | undefined

  Checks the arguments against the top level of the tool's JSON Schema: required properties, the type of each property (and of array items), enums, and unknown properties when additionalProperties is false. Returns the first problem, or undefined.

  Parameters

  • schema: Record<string, unknown>
  • args: Record<string, unknown>

  Returns string | undefined