Function asObject

packages/plugins/mcp/src/sdk/probe-shape.ts:77–84

(body: string)

const decodeJsonString = Schema.decodeUnknownOption(Schema.fromJsonString(Schema.Unknown));

const asObject = (body: string): Record<string, unknown> | null => {
  if (!body) return null;
  const parsed = decodeJsonString(body);
  if (Option.isNone(parsed)) return null;
  const value = parsed.value;
  if (typeof value !== "object" || value === null || Array.isArray(value)) return null;
  return value as Record<string, unknown>;
};

/** Quick check that a body parses as a JSON-RPC 2.0 envelope. The MCP wire
 *  protocol is JSON-RPC 2.0, so a real MCP server's response to `initialize`